Intuitive: clearly structured measurement menu for volume flow and determination of air velocity in ventilation ducts
Convenient: integrated telescope that can be extended to 0.85 m, with scaling, makes it easy to carry out measurements
Reliable: internal data storage and USB port for data export
As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes

Kit for carrying out measurements in ventilation ducts: the testo 440 air velocity and IAQ measuring instrument and the vane probe (Ø 16 mm) are safely stowed away in the case. So you can get down to work straight away!

Product Description:
Use this practical kit to measure flow velocity and volume flow in ventilation ducts. The testo 440 multifunction measuring instrument and the vane probe feature an intelligent calibration concept, ease of use and maximum convenience for the adjustment of air-conditioning and ventilation systems.

testo 440 16 mm Vane Kit in detail
testo 440 air velocity and IAQ measuring instrument:
No task is too challenging, no application too specialized: the testo 440 combines a compact hand-held measuring instrument with intuitive measurement menus and a wide selection of air velocity and IAQ probes (please order separately)
Clearly structured measurement menus: the volume flow is precisely calculated thanks to convenient input of the size and geometry of the duct cross-section. Timed and multi-point mean calculation, average volume flow, current reading and min./max. values are displayed
Other practical measurement menus, e.g. long-term measurement, volume flow measurement with a funnel, etc.
Easy storage and evaluation of measurement data. Measurement data memory for up to 7500 measurement protocols, which can be read via a USB port and further processed as a CSV file on the computer (e.g. with Excel)
Practical magnets for easy attachment of the measuring instrument to metal surfaces (e.g. ducts)
Automatic detection of probes, e.g. vane probe
Large, backlit colour display

Vane probe (Ø 16 mm):
Use the vane probe to measure air velocity and volume flow in ventilation ducts
Measuring range from 0.6 to 50 m/s
Telescope that can be extended to 0.85 m makes it easy to measure in ventilation ducts. Easy-to-read immersion depth thanks to scaling on the telescope
Use the fixed cable to connect the vane probe to the testo 440 air velocity and IAQ measuring instrument
Intelligent calibration concept: the air velocity and IAQ measuring instrument remains in continuous use, since only the vane probe is sent in for calibration

Technical data:
Temperature NTC:
Measuring range: -40 to +150 °C
Accuracy: ±0.4 °C (-40 to -25.1 °C)
±0.3 °C (-+25 to +74.9 °C)
±0.4 °C (+75 to +99.9 °C)
±0.5 % of mv (Remaining Range)
Resolution: 0.1 °C

Temperature TC Type K (NiCr-Ni):
Measuring range: -200 to +1370 °C
Accuracy: ±(0.3 °C + 0.3 % of mv)
Resolution: 0.1 °C

General technical data:
Dimensions: 154 x 65 x 32 mm
Operating temperature: -20 to +50 °C
Connectable probes: 1 x digital probe with cable or 1 x Temperature NTC TUC, 1 x digital Bluetooth probe or testo Smart Probe, 1 x Temperature TC Type K
Battery type: 3 AA mignon 1.5 V
Battery life: 12 h (typically vane measurement)
Data transfer: Bluetooth®; USB interface
Storage temperature: -20 to +50 °C
Weight: 250 g

Very good image quality: IR resolution of 160 x 120 pixels, via integrated testo SuperResolution Technology 320 x 240 pixels
Visualizing temperature differences from 0.12°C
Automatic detection of hot and cold spots
Extensive accessories included: case, pro software, USB cable, lithium-ion rechargeable battery

The testo 865 thermal imager combines all the important properties required for high-quality thermographic measurement – it is accurate, robust, fast and reliable. The testo 865 provides high-quality thermography at an affordable price and keeps going even in tough working conditions. The case supplied with the thermal imager means it can be conveniently transported, so it is always there for you when needed.

Product Description:
The testo 865 thermal imager offers professional technology and concentrates on functions which are needed in a contractor's daily work. The testo 865 is a user-friendly thermal imager, optimized for fast and efficient work. With the testo ScaleAssist functions ensuring optimum setting of the thermal image scale for building thermography and the IFOV warner making sure you avoid measurement errors, you will always generate the perfect infrared image.

Areas of application of the testo 865 thermal imager
Detect leaks, identify overheated connections, pinpoint thermal bridges or detect structural defects. The testo 865 thermal imager is ideal for applications in daily maintenance and installation work in trade and industry. It enables time-saving quality assurance and ensures reliable production control.

Technical highlights of the testo 865 thermal imager
The testo 865 thermal imager stands out thanks to its easy operation and has the following impressive technical features:
Very good image quality due to high resolution: 19,200 temperature measuring points ensure precise thermography. Infrared resolution of 160 x 120 pixels – via integrated SuperResolution Technology 320 x 240 pixels
Visualize temperature differences from 0.12°C
Critical temperature conditions are directly displayed via automatic hot-cold spot recognition
The IFOV warner means the distance from the measurement object / measurement spot size is determined and the measurement spot is shown on the thermal image – you therefore avoid measurement errors because the camera shows you exactly what you can measure
Pro software for image evaluation on the PC
You can choose to save thermal images as JPEGs

Technical data:
Infrared image output:
Focus: Fixed focus
Infrared resolution: 160 x 120 pixels
Image refresh rate: 9 Hz
SuperResolution (IFOV): 2.1 mrad
SuperResolution (Pixel): 320 x 240 pixels
Geometric resolution (IFOV): 3.4 mrad
Minimum focus distance: <0.5 m
Field of view: 31° x 23°
Thermal sensitivity: 120 mK
Spectral range: 7.5 to 14 µm

Image presentation:
Display option: IR image only
Colours: 4 (iron, rainbow, cold-hot, grey)
Display type: 8.9 cm (3.5") TFT, QVGA (320 x 240 pixels)

Measurement:
Reflected temperature: manual
Measuring range: -20 to +280 °C
Accuracy: ±2 °C, ±2 % of mv
Emissivity: 0.01 to 1

Measuring function:
Analysis function: Mean point measurement, hot/cold-spot recognition, Delta T
testo ScaleAssist: Included
IFOV warner: Included

Imager equipment:
Full screen mode: Included
JPEG storage: Included
Video streaming: via USB
Standard lens: 31° x 23°
Interface: USB 2.0 Micro B

Imager storage:
File format image: .bmt; .jpg; export option in .bmp; .jpg; .png; .xls; .csv
Storage device: Internal Memory (2.8 GB)

Power supply:
Battery type: Fast-charging, Li-ion battery can be changed on-site
Operating time: 4 h
Charging options: In instrument / charger (optional)
Mains operation: yes

Ambient Condition:
Housing protection class: IP54
Vibration: 2G
Air humidity: 20 to 80 %RH non-condensing
Storage temperature: -30 to +60 °C
Operating temperature: -15 to +50 °C

Physical specification:
Housing: PC ABS
Weight: 510 g
Dimensions: 219 x 96 x 95 mm

PC software:
System requirements: Windows 10; Windows 8; Windows 7

Standards, tests, warranty:
EU-/EG-guidelines: EMC: 2014/30/EU

Very good image quality: IR resolution of 160 x 120 pixels, via integrated testo SuperResolution Technology 320 x 240 pixels
Smart and networked: the free testo Thermography App enables you to write and send reports on site, as well as saving them online, and lots more.
Integrated digital camera
Innovative functions, such as testo ScaleAssist, for comparable thermal images in building thermography

The testo 868 thermal imager is characterized by its professional measuring performance and its easy handling. It has the best thermal image quality in its class, an integrated digital camera and impressive smart functions. The case supplied with the thermal imager means it can be conveniently transported, so it is always there for you when needed.

Product Description:
With the testo 868 thermal imager, we have developed a thermal imager which makes work quicker and easier – without foregoing professional thermal imaging technology. You can generate error-free and objectively comparable infrared images using its handy functions. The IFOV warner, testo ɛ-Assist and testo ScaleAssist mean you can avoid measurement errors and not only effortlessly achieve optimum setting of emissivity (ɛ) and reflected temperature (RTC) for building thermography, but also of colour scale.

The testo 868 thermal imager– smart and networked
The testo 868 thermal imager guarantees wireless communication with your mobile terminal device via WLAN. With the testo Thermography App for iOS and Android you can write and send reports directly on site, as well as saving them online, and you can use your smartphone or tablet as a second display or for remote control.

Areas of application of the testo 868 thermal imager
Detect leaks, identify overheated connections, pinpoint thermal bridges or detect structural defects. The testo 868 thermal imager was developed for applications in daily maintenance and installation work in trade and industry. It enables quick and reliable work when you are detecting defects and carrying out maintenance.

Technical highlights of the testo 868 thermal imager
Really simple operation with impressive thermal imaging technology: the testo 868 thermal imager has the following impressive features:

Very good image quality due to high resolution: 19,200 temperature measuring points for precise thermography. Infrared resolution of 160 x 120 pixels – extended to 320 x 240 pixels via integrated SuperResolution Technology
Visualizing temperature differences of 0.10 °C
The testo Thermography App enables you to write reports on site, save them online and send them by e-mail, as well as allowing you to use mobile terminal devices as a second display or for remote control
Built-in digital camera generates a real image in parallel to the thermal image
Automatic hot-cold spot recognition directly displays critical temperature conditions
The testo ScaleAssist automatically ensures optimum setting of the thermal image scale, which means you generate objectively comparable and error-free thermal images, for example of the thermal insulation behaviour of buildings
The testo ɛ-Assist ensures the correct measurement result by automatically determining and setting the emissivity and reflected temperature
The IFOV warner means the distance from the measurement object / measurement spot size is determined and the measurement spot is shown on the thermal image – you therefore avoid measurement errors because the camera shows you exactly what you can measure
Pro software for image evaluation on the PC
You can choose to save thermal images as JPEGs

Technical data:
Infrared image output:
Focus: Fixed focus
Infrared resolution: 160 x 120 pixels
Image refresh rate: 9 Hz
SuperResolution (IFOV): 2.1 mrad
SuperResolution (Pixel): 320 x 240 pixels
Geometric resolution (IFOV): 3.4 mrad
Minimum focus distance: <0.5 m
Field of view: 31° x 23°
Thermal sensitivity: 100 mK
Spectral range: 7.5 to 14 µm

Image output visual:
Minimum focus distance: 0.5 m
Image size: at least 3.1 MP

Image presentation:
Display option: IR image / real image
Colours: 4 (iron, rainbow, cold-hot, grey)
Display type: 8.9 cm (3.5") TFT, QVGA (320 x 240 pixels)

Measurement:
Reflected temperature: manual
testo ε-Assist: Included
Measuring range: -30 to +100° C; 0 to +650° C
Accuracy: ±2 °C, ±2 % of mv
Emissivity: 0.01 to 1

Measuring function:
Analysis function: Mean point measurement, hot/cold-spot recognition, Delta T
testo ScaleAssist: Included
IFOV warner: Included

Imager equipment:
Digital camera: Included
Full screen mode: Included
JPEG storage: Included
Video streaming: via wireless LAN with testo Thermography App
Standard lens: 31° x 23°
Interface: USB 2.0 Micro B
WLAN Connectivity: Communication with the testo Thermography App; wireless module WLAN (EU, EFTA, USA, AUS, CDN, TR)

Imager storage:
File format image: .bmt; export option in .bmp; .png; .csv; .xls; .jpg
Storage device: Internal Memory (2.8 GB)

Power supply:
Battery type: Fast-charging, Li-ion battery can be changed on-site
Operating tim: 4 h
Charging options: In instrument / charger (optional)
Mains operation: yes

Ambient Condition:
Housing protection class: IP54
Vibration: 2G
Air humidity: 20 to 80 %RH non-condensing
Storage temperature: -30 to +60 °C
Operating temperature: -15 to +50 °C

Physical specification:
Housing: PC ABS
Weight: 510 g
Dimensions: 219 x 96 x 95 mm

PC software:
System requirements: Windows 10; Windows 8; Windows 7

Standards, tests, warranty:
EU-/EG-guidelines: EMC: 2014/30/EU; RED: 2014/53/EU

Very good image quality: IR resolution of 240 x 180 pixels, via integrated testo SuperResolution Technology 480 x 360 pixels
Smart: the free testo Thermography App enables you to write and send reports on site, as well as saving them online, and lots more.
Wireless networking: wireless transmission of readings from the testo 770-3 clamp meter and the testo 605i thermohygrometer (both available separately)
Innovative functions, such as testo ScaleAssist and testo ɛ-Assist for comparable, error-free thermal images

The testo 871 thermal imager combines high infrared resolution with professional measuring performance and easy handling. Its high-quality pixel detector, an integrated digital camera and, last but not least, the innovative functions are the features that impress. The testo Thermography App enables the testo 871 to offer smart thermography to meet professional requirements in industry and trade. The case supplied with the thermal imager means it can be conveniently transported, so it is always there for you when needed.

Product Description:
We developed the testo 871 thermal imager together with our experienced professionals to enable you to work quickly and easily with professional thermal imaging technology. You can generate error-free and objectively comparable infrared images using its handy functions. The IFOV warner, testo ɛ-Assist and testo ScaleAssist mean you can avoid measurement errors and not only effortlessly achieve optimum setting of emissivity (ɛ) and reflected temperature (RTC) for building thermography, but also of colour scale.

The testo 871 thermal imager– smart and networked
The testo 871 thermal imager communicates wirelessly via WLAN with your mobile terminal devices. The testo Thermography App for iOS and Android offers you the possibility of writing and sending reports on site, as well as saving them online, and of using your smartphone or tablet as a second display or for remote control.
The testo 871 delivers even more informative thermal images in combination with the compatible 770-3 clamp meter and the testo 605i thermohygrometer. Both are available separately – simply order them straight away along with your testo 871. The measurement results of both measuring instruments can easily be transmitted via Bluetooth. The additional output, current and voltage values of the testo 770-3 clamp meter enable better interpretation of measured temperatures. Measure the air temperature and humidity with the testo 605i and easily detect locations at risk of developing mould using the special humidity palette in the thermal imager via the traffic light principle.

Areas of application of the testo 871 thermal imager
Detect leaks, pinpoint thermal bridges, discover structural defects, identify overheated connections or assess mould damage. The testo 871 thermal imager is ideal for applications in daily maintenance and installation work in trade and industry. Quick, simple and reliable for maintenance and detection of defects.

Technical highlights of the testo 871 thermal imager
Really simple operation with impressive professional thermal imaging technology: the testo 871 thermal imager has the following impressive features:

Very good image quality due to high resolution: 43,200 temperature measuring points for precise thermography. Infrared resolution of 240 x 180 pixels – extendible to 480 x 360 pixels via integrated SuperResolution Technology
Detecting temperature differences from 0.09°C
The testo Thermography App enables you to write reports on site, save them online and send them by e-mail, as well as allowing you to use mobile terminal devices as a second display or for remote control
Wireless communication thanks to Bluetooth – this means you can also wirelessly integrate the readings of the compatible testo 770-3 clamp meter and testo 605i thermohygrometer
Built-in digital camera generates a real image in parallel to the thermal image
Critical temperature conditions are directly displayed via automatic hot-cold spot recognition
The testo ScaleAssist automatically ensures optimum setting of the thermal image scale, which means you generate objectively comparable and error-free thermal images, for example of the thermal insulation behaviour of buildings
The testo ɛ-Assist ensures the correct measurement result by automatically determining and setting the emissivity and reflected temperature
The IFOV warner means the distance from the measurement object / measurement spot size is determined and the measurement spot is shown on the thermal image – you therefore avoid measurement errors because the camera shows you exactly what you can measure
Pro software for image evaluation on the PC
You can choose to save thermal images as JPEGs

Technical data:
Infrared image output:
Focus: Fixed focus
Infrared resolution: 240 x 180 pixels
Image refresh rate: 9 Hz
SuperResolution (IFOV): 1.6 mrad
SuperResolution (Pixel): 480 x 360 pixels
Geometric resolution (IFOV): 2.6 mrad
Minimum focus distance: <0.5 m
Field of view: 35° x 26°
Thermal sensitivity: 90 mK
Spectral range: 7.5 to 14 µm

Image output visual:
Minimum focus distance: 0.5 m
Image size: at least 3.1 MP

Image presentation:
Display option: IR image / real image
Colours: 4 (iron, rainbow, cold-hot, grey)
Display type: 8.9 cm (3.5") TFT, QVGA (320 x 240 pixels)

Measurement:
Reflected temperature: manual
testo ε-Assist: Included
Measuring range: -30 to +100 °C; 0 to +650 °C
Accuracy: ±2 °C, ±2 % of mv
Emissivity: 0.01 to 1

Measuring function:
Solar mode – manual: Input of solar radiation value
Analysis function: Mean point measurement, hot/cold-spot recognition, Delta T
Humidity measurement with humidity measuring instrument: Automatic measurement value transfer of thermohygrometer testo 605i via Bluetooth (instrument must be ordered separately); Wireless permit in EU, EFTA, USA, Canada, Australia, Turkey
testo ScaleAssist: Included
Humidity mode manual: Included
IFOV warner: Included
Electrical mode manual: Input of current, voltage or power
Electrical measurement with clamp meter: Automatic measurement value transfer of clamp meter testo 770-3 via Bluetooth (instrument must be ordedered separately); Wireless permit in EU, EFTA, USA, Canada, Australia, Turkey

Imager equipment:
Digital camera: Included
Full screen mode: Included
JPEG storage: Included
Video streaming: via wireless LAN with testo Thermography App
Standard lens: 35° x 26°
Interface: USB 2.0 Micro B
WLAN Connectivity: Communication with the testo Thermography App wireless module BT/WLAN (EU, EFTA, USA, AUS, CDN, TR)
Bluetooth: yes

Imager storage:
File format image: .bmt; .jpg; export option in .bmp; .jpg; .png; .csv; .xls
Storage device: Internal Memory (2.8 GB)

Power supply:
Battery type: Fast-charging, Li-ion battery can be changed on-site
Operating time: 4 h
Charging options: In instrument / charger (optional)
Mains operation: yes

Ambient Condition:
Housing protection class: IP54
Vibration: 2G
Air humidity: 20 to 80 %RH non-condensing
Storage temperature: -30 to +60 °C
Operating temperature: -15 to +50 °C

PC software:
System requirements: Windows 10; Windows 8; Windows 7

Standards, tests, warranty:
EU-/EG-guidelines: RED: 2014/53/EU; EMC: 2014/30/EU

Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, humidity and temperature in ventilation ducts or at air outlets
Precise: combine the vane probe with Bluetooth with the telescope for ceiling outlets or the funnel set for plate outlets (please order separately) as required
Convenient: wireless probe, internal data storage and USB port for your data export
As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes

Kit for carrying out measurements at air outlets: the testo 440 air velocity and IAQ measuring instrument and the vane probe (Ø 100 mm) with Bluetooth including temperature sensor are all safely stowed away in the case. So you can get down to work straight away!

Product Description:
Use this practical kit to measure air velocity, volume flow and air temperature at air outlets. The testo 440 multifunction measuring instrument and the vane probe feature an intelligent calibration concept, ease of use and maximum convenience for the adjustment of air-conditioning and ventilation systems.

testo 440 100 mm Vane Kit with Bluetooth in detail
testo 440 air velocity and IAQ measuring instrument:
No task is too challenging, no application too specialized: the testo 440 combines a compact hand-held measuring instrument with intuitive measurement menus and a wide selection of air velocity and IAQ probes (please order separately)
Clearly structured measurement menus: the volume flow is precisely calculated thanks to convenient input of the surface area of the air outlet. Timed and multi-point mean calculation, average volume flow, current reading and min./max. values are displayed
Other practical measurement menus, e.g. long-term measurement, volume flow measurement with a funnel, etc.
Easy storage and evaluation of measurement data. Measurement data memory for up to 7500 measurement protocols, which can be read via a USB port and further processed as a CSV file on the computer (e.g. with Excel)
Practical magnets for easy attachment of the measuring instrument to metal surfaces (e.g. ducts)
Automatic detection of probes, e.g. vane probe
Large, backlit colour display

Vane probe (Ø 100 mm) with Bluetooth including temperature sensor:
Use the vane probe (Ø 100 mm) to conveniently determine air velocity, volume flow and air temperature at air/ceiling outlets
Measuring range: +0.3 to +35 m/s, -20 to +70 °C
Endlessly versatile: a universal handle can be connected to all probe heads – so you can take care of more applications using less equipment, and save space too
The Bluetooth handle makes it more convenient to carry out your measurements and guarantees less cable clutter in the case. It transmits the readings to the testo 440 air velocity and IAQ measuring instrument, from up to 20 m away
Practical button on the handle: to store individual readings for multi-point mean calculation or to start and stop measurement series for mean calculation over time
For convenient measurements at ceiling outlets: if required, you can also fit the vane probe with the extendable telescope with 90° angle and, if necessary, the telescope extension (both can be ordered separately; in combination 2 m long)
-nOur recommendation for carrying out accurate measurements at plate outlets/ventilation grilles: use the vane probe with the testovent 417 funnel set (available to order separately). If you add in the volume flow straightener (please order separately), you can achieve an impressively high level of precision when carrying out measurements at swirl outlets with turbulent air flow
Intelligent calibration concept: the testo 440 air velocity and IAQ measuring instrument remains in continuous use, since only the 100 mm vane probe head is sent in for calibration

Technical data:
Temperature NTC:
Measuring range: -40 to +150 °C
Accuracy: ±0.4 °C (-40 to -25.1 °C)
±0.3 °C (-+25 to +74.9 °C)
±0.4 °C (+75 to +99.9 °C)
±0.5 % of mv (Remaining Range)
Resolution: 0.1 °C

Temperature TC Type K (NiCr-Ni):
Measuring range: -200 to +1370 °C
Accuracy: ±(0.3 °C + 0.3 % of mv)
Resolution: 0.1 °C

General technical data:
Dimensions: 154 x 65 x 32 mm
Operating temperature: -20 to +50 °C
Connectable probes: 1 x digital probe with cable or 1 x Temperature NTC TUC, 1 x digital Bluetooth probe or testo Smart Probe, 1 x Temperature TC Type K
Battery type: 3 AA mignon 1.5 V
Battery life: 12 h (typically vane measurement)
Data transfer: Bluetooth®; USB interface
Storage temperature: -20 to +50 °C
Weight: 250 g

Easy, reliable operation through automatic measurement parameter detection
Prevents incorrect settings
Suitable for almost all electrical measuring tasks
Clear, illuminated display

No dial, no risk: The testo 760-1 digital multimeter gives you easier and more reliable measurement of all important electrical parameters than ever before. Assignment of the measuring sockets enables automatic detection of measurement parameters. You don't need to make any adjustments – and you can't make any mistakes.

Product Description:
When measuring electrical parameters such as current, voltage or resistance, you depend on absolutely reliable measuring instruments. The testo 760-1 hands you a digital multimeter which sets new standards in terms of reliability.

In comparison to standard multimeters on the market, with the testo 760-1 there is no need to first select the measuring sockets and then the measurement function. The instrument detects the appropriate measurement parameter via the socket assignment all on its own – and so rules out any dangerous incorrect settings.

The operation of the multimeter is easier and more modern than ever. The traditional dial is replaced by function keys, enabling you to control the instrument with just one hand. And thanks to the large, illuminated display you can see your readings clearly at a glance. The testo 760-1 has the most important functions for your daily measuring tasks and is therefore the ideal entry-level instrument in the digital multimeter class.

Technical data:
DC voltage:
Measuring Range: 0.1 to 600 V
Resolution: 0.1 mV
Accuracy: ± (0.8 % of mv + 3 Digit)

AC voltage:
Measuring Range: 0.1 mV to 600 V
Resolution: 0.1 mV
Accuracy: ± (1.0 % of mv + 3 Digit)

DC current:
Measuring Range: 0.1 mA to 10 A
Resolution: 0.1 mA
Accuracy: ± (1.5 % of mv + 5 Digit)

AC current:
Measuring Range: 0.1 mA to 10 A
Resolution: 0.1 mA
Accuracy: ± (1.0 % of mv + 3 Digit)

Resistance:
Measuring Range: 0.1 Ohm to 40.00 MOhm
Resolution: 0.1 Ohm
Accuracy: ± (1.5 % of mv + 3 Digit)

Capacitance:
Resolution: 0.01 nF
Measuring Range: 10 nF to 100.0 μF
Accuracy: ± (1.5 % of mv + 5 Digit)

Frequency:
Resolution: 0.001 Hz
Measuring Range: 0.001 Hz to 512.0 kHz
Accuracy: ± (0.1 % + 1 Digit)

General technical data:
Dimensions: 167 x 85 x 45 mm
Operating temperature: -10 to +50 °C
Protection class: IP64
Storage temperature: -15 to +60 °C
Weight: 340 g
Overvoltage Category: CAT III 600V; CAT IV 300V
Authorizations: CSA; CE

Instrument Measurement Functions
Diode test: yes
Continuity testing: yes
Display ligthing: yes
Hold: yes
MinMax: yes
Display (counts): 4,000
Autom. measurement parameter detection: yes

True root mean square measurement TRMS
Current measurement in the µA range
Integrated temperature adapter
Low-pass filter for accurate measurement results on frequency converter controlled motors

The testo 760-2 digital multimeter is the allrounder for all important electrical measuring tasks. Thanks to the automatic detection of measurement parameters, it offers the greatest possible reliability for every application. You can also measure current in the µA range and determine the true root mean square using this digital multimeter.

Product Description:
The testo 760-2 digital handheld multimeter means you can measure electrical parameters more easily and reliably than ever before. In contrast to other multimeters, the testo 760-2 automatically detects the appropriate measurement parameter via the socket assignment – and therefore rules out any dangerous incorrect settings.

It is not operated conventionally by a dial, but with illuminated function keys. This means you can easily control the measuring instrument with just one hand. The large, illuminated display shows the readings clearly.

The testo 760-2 digital multimeter has the most important functions for measuring current, voltage and resistance. The measurement of current strength is also possible in the µA range thanks to the larger measuring range. And the integrated low-pass filter achieves more accurate measurement results on frequency converter controlled motors.
Temperatures can also be measured with this multimeter in addition to electrical parameters.

Technical data:
Temperature TC Type K (NiCr-Ni):
Measuring range: -20 to +500 °C
Accuracy: ±1 °C (0 to +100 °C)
Resolution: 0.2 °C

DC voltage:
Measuring Range: 0.1 to 600 V
Resolution: 0.1 mV
Accuracy: ± (0.8 % of mv + 3 Digit)

AC voltage:
Measuring Range: 0.1 mV to 600 V
Resolution: 0.1 mV
Accuracy: ± (1.0 % of mv + 3 Digit)

DC current:
Measuring Range: 0.1 μA to 10 A
Resolution: 0.1 μA
Accuracy: ± (1.5 % of mv + 5 Digit)

AC current:
Measuring Range: 0.1 μA to 10 A
Resolution: 0.1 μA
Accuracy: ± (1.5 % of mv + 5 Digit)

Resistance:
Measuring Range: 0.1 Ohm to 60.00 MOhm
Resolution 0.1
Accuracy: ± (1.5 % of mv + 3 Digit)

Capacitance:
Resolution: 0.01 nF
Measuring Range: 2 nF to 30.00 mF
Accuracy: ± (1.5 % of mv + 5 Digit)

Frequency:
Resolution: 0.001 Hz
Measuring Range: 0.001 to 600 Hz
Accuracy: ± (0.1 % of mv + 1 Digit)

General technical data:
Dimensions: 167 x 85 x 45 mm
Operating temperature: -10 to +50 °C
Protection class: IP64
Storage temperature: -15 to +60 °C
Weight: 340 g
Overvoltage Category: CAT III 1000V; CAT IV 600V
Authorizations: CSA; CE

Instrument Measurement Functions:
Diode test: yes
Continuity testing: yes
Current probe measurement with adapter: yes
Display ligthing: yes
Hold: yes
MinMax: yes
Temperature measurement with adapter: yes
True RMS: yes
Low-pass filter: yes
Duty cycle measurement: yes
Display (counts): 6,000
μA current measuring range: yes
Autom. measurement parameter detection: yes

Easy, reliable work thanks to automatic measurement parameter detection
Comfortable, one-handed operation without any dial
Voltage range up to 1,000 V
Additional functions, such as true root mean square measurement TRMS, low-pass filter and temperature adapter

The testo 760-3 is the most high-performance model in Testo's digital multimeter family. In addition to automatic detection of measurement parameters, it is characterized by a voltage measuring range of up to 1,000 V along with large measuring ranges for frequency and capacitance. The digital multimeter is therefore also suitable for industrial applications.

Product Description:
The testo 760-3 digital multimeter is the multitasker for all important professionals in the electricity sector. It enables you to carry out both simple and demanding electrical measuring tasks more reliably than ever before. The testo 760-3 automatically detects the appropriate measurement parameter via the socket assignment and so prevents dangerous incorrect settings.

A voltage range of up to 1,000 V, a frequency range of up to 30 MHz and capacitance of up to 60,000 µF mean the testo 760-3 multimeter can also be used for industrial applications, such as troubleshooting in large electrical systems. And the integrated low-pass filter achieves more accurate measurement results on frequency converter controlled motors.

Temperatures can also be measured with this multimeter in addition to electrical parameters. You will need the clip-on type K thermocouple adapter and a temperature probe (both items can be ordered separately).

Technical data:
Temperature TC Type K (NiCr-Ni):
Measuring range: -20 to +500 °C
Accuracy: ±1 °C (0 to +100 °C)
Resolution: 0.2 °C

DC voltage:
Measuring Range: 0.1 to 1000 V
Resolution: 0.1 mV
Accuracy: ± (0.8 % of mv + 3 Digit)

AC voltage:
Measuring Range: 0.1 mV to 1000 V
Resolution: 0.1 mV
Accuracy: ± (1.0 % of mv + 3 Digit)

DC current:
Measuring Range: 0.1 μA to 10 A
Resolution: 0.1 μA
Accuracy: ± (1.5 % of mv + 5 Digit)

AC current:
Measuring Range: 0.1 μA to 10 A
Resolution: 0.1 μA
Accuracy: ± (1.5 % of mv to 5 Digit)

Resistance:
Measuring Range: 0.1 Ohm to 60.00 MOhm
Resolution: 0.1 Ohm
Accuracy: ± (1.5 % of mv + 3 Digit)

Capacitance:
Resolution: 0.01 nF
Measuring Range: 2 nF to 30.00 mF
Accuracy: ± (1.5 % of mv + 5 Digit)

Frequency:
Resolution: 0.001 Hz
Measuring Range: 0.001 Hz to 600.0 kHz
Accuracy: ± (0.1 % of mv + 1 Digit)

General technical data:
Dimensions: 167 x 85 x 45 mm
Operating temperature: -10 to +50 °C
Protection class: IP64
Storage temperature: -15 to +60 °C
Weight: 340 g
Overvoltage Category: CAT IV 600V; CAT III 1000V
Authorizations: CE; CSA

Instrument Measurement Functions:
Diode test: yes
Continuity testing: yes
Current probe measurement with adapter: yes
Display ligthing: yes
Hold: yes
MinMax: yes
Temperature measurement with adapter: yes
True RMS: yes
Low-pass filter: yes
Duty cycle measurement: yes
Display (counts): 6,000
μA current measuring range: yes
Autom. measurement parameter detection: yes

Voltage range up to 1,000 V
Waterproof and dustproof according to IP 67
Adjustable for phase detection or voltage indication
Visual and acoustic signal

The testo 745 non-contact voltage tester is ideally suited for fast initial checking of any suspected fault sources. It filters high-frequency interference signals and has a two-stage sensitivity setting.

Product Description:
The testo 745 non-contact voltage tester means you can quickly and easily determine voltage or de-energization. In contrast to most other models on the market, it has a filter for high-frequency interference signals which enables reliable voltage indication. If voltage is determined, the instrument gives a warning via a clear visual and acoustic signal.

The sensitivity of the instrument can be set in two stages: stage 1 for phase detection, stage 2 for voltage indication. The integrated torch also enables you to work safely in dark surroundings. In addition, the testo 745 voltage tester is both waterproof and dustproof according to IP 67.

Technical data:
DC voltage:
Measuring Range: 12 to 1000 V

AC voltage:
Measuring Range: 12 to 1000 V

General technical data:
Dimensions: 155 x 25 x 23 mm
Operating temperature: -10 to +50 °C
Protection class: IP67
Battery type: 3 AAA micro batteries
Storage temperature: -15 to +60 °C
Weight: 63 g
Overvoltage Category: CAT IV 600V; CAT III 1000V
Authorizations: CSA; CE

Instrument Measurement Functions:
Measuring point illumination: yes

Fully retractable pincer arm for maximum flexibility
Auto AC/DC
Large two-line display

The testo 770-1 clamp meter is ideally suited for non-contact current measurement on tightly packed power cables or conductors with a small diameter. The unique grab mechanism means you can grab each individual cable easily and safely.

Product Description:
This clamp meter means you can cope in any application environment, no matter how tight. The movable pincer arm can be fully retracted into the instrument, so that you can for instance grab tightly packed cables in switching cabinets as if you were using a hook. You have never been able to measure as conveniently as this in tight spots.

The operation of the testo 770-1 clamp meter is also easier and more reliable than ever before. It automatically detects and selects AC/DC and other electrical parameters, such as resistance, continuity, diode and capacitance. In addition, you can also use it to measure the starting current. And the two-line display presents your readings clearly and distinctly.

Technical data:
DC voltage:
Measuring Range: 1 to 600.0 V
Resolution: 1 mV
Accuracy: ±(0.8 % of mv + 3 Digit)

AC voltage:
Measuring Range: 1.0 mV to 600 V
Resolution: 1 mV
Accuracy: ±(1.0 % of mv + 3 Digit)

DC current:
Measuring Range: 0.1 to 400 A
Resolution: 0.1 A
Accuracy: ±(2 % of mv + 5 Digit)

AC current:
Measuring Range: 0.1 to 400 A
Resolution: 0.1 A
Accuracy: ±(2 % of mv + 5 Digit)

Resistance:
Measuring Range: 0.1 Ohm to 40.00 MOhm
Resolution: 0.1 Ohm
Accuracy: ±(1.5 % of mv + 3 Digit)

Capacitance:
Resolution: 0.01 nF
Measuring Range: 10 nF to 100.0 μF
Accuracy: ±(1.5 % of mv + 5 Digit)

Frequency:
Measuring Range: 10 nF to 100.0 μF
Accuracy: ±(0.1 % + 1 Digit)

General technical data:
Dimensions: 249 x 96 x 43 mm
Operating temperature: -10 to +50 °C
Storage temperature: -15 to +60 °C
Weight: 378 g
Overvoltage Category: CAT IV 600V; CAT III 1000V
Authorizations: CSA; CE

Instrument Measurement Functions:
Diode test: yes
Continuity testing: yes
Display ligthing: yes
Hold: yes
MinMax: yes
True RMS: yes
Inrush current measurement: yes
Display (counts): 4,000
Autom. measurement parameter detection: yes

Fully retractable pincer arm to make your work easy
Auto AC/DC and large two-line display
Measuring functions for starting current on electric motors and μA measurements
Temperature adapter for type K thermocouples

The innovative grab mechanism makes the testo 770-2 the perfect clamp meter for non-contact measurements on tightly packed cables with a small diameter. In addition to the standard functions of the testo 770-1 clamp meter, it also offers a temperature adapter and measures current in the µA range.

Product Description:
The testo 770-2 clamp meter makes it so much easier to work on tight measuring points, such as switching cabinets. The clamp meter's movable pincer arm can be fully retracted into the instrument. This means you can accurately grab tightly packed conductors such as cables and check them for faults.

Furthermore, it enables measurement of the starting current on electric motors and ionisation current testing in the µA range. The supplied temperature adapter for thermocouple probes can be used to measure electrical parameters as well as temperatures (compatible type K thermocouple probe can be ordered separately).

The clamp meter detects and selects AC/DC fully automatically and also provides automated selection of other electrical parameters such as resistance, continuity, diode and capacitance. This makes operation easier and more reliable than ever before. Your readings are clearly and distinctly presented on the two-line display.

Technical data:
Temperature TC Type K (NiCr-Ni):
Measuring range: -20 to +500 °C
Accuracy: ±1 °C (0 to +100 °C)
Resolution: 0.2 °C

DC voltage:
Measuring Range: 1 to 600 V
Resolution: 1 mV
Accuracy: ± (0.8 % of mv + 3 Digit)

AC voltage:
Measuring Range: 1 mV to 600 V
Resolution: 1 mV
Accuracy: ± (1.0 % of mv + 3 Digit)

DC current:
Measuring Range: 0.1 μA to 400 A
Resolution: 0.1 μA
Accuracy: ± (2 % of mv + 5 Digit)

AC current:
Measuring Range: 0.1 μA to 400 A
Resolution: 0.1 μA
Accuracy: ± (2 % of mv + 5 Digit)

Resistance:
Measuring Range: 0.1 Ohm to 40.00 MOhm
Resolution: 0.1
Accuracy: ± (1.5 % of mv + 3 Digit)

Capacitance:
Resolution: 0.01 nF
Measuring Range: 10 nF to 100.0 μF
Accuracy: ± (1.5 % of mv + 5 Digit)

Frequency:
Accuracy ± (0.1 % of mv + 1 Digit)

General technical data:
Dimensions: 249 x 96 x 43 mm
Operating temperature: -10 to +50 °C
Storage temperature: -15 to +60 °C
Weight: 378 g
Overvoltage Category: CAT IV 600V; CAT III 1000V
Authorizations: CSA; CE

Instrument Measurement Functions:
Diode test: yes
Continuity testing: yes
Display ligthing: yes
Hold: yes
MinMax: yes
Temperature measurement with adapter: yes
True RMS: yes
Inrush current measurement: yes
Display (counts): 4,000
μA current measuring range: yes
Autom. measurement parameter detection: yes

Easy to operate thanks to the fully retractable pincer arm
Auto AC/DC and large two-line display
Improved TRMS method
Bluetooth connection to your smartphone (with the testo Smart Probes App)

Non-contact measurement on tightly packed cables is really easy and reliable with the testo 770-3 clamp meter. Its innovative grab mechanism will make your work easy. The most powerful model in the clamp meter series, it offers lots of additional functions for those challenging tasks that you are faced with on a daily basis, e.g. communication with the smartphone app via Bluetooth.

Product Description:
The testo 770-3 clamp meter is the ideal clamp amperemeter for demanding measuring tasks in tight application environments. The movable pincer arm can be fully retracted into the instrument. This enables the instrument to grab tightly packed cables in a particularly accurate way.

In addition, more specialized applications can be handled using the clamp meter, such as starting current, power and µA measurements. The supplied temperature adapter for thermocouple probes can be used to measure electrical parameters as well as temperatures (compatible type K thermocouple probe can be ordered separately).

The clamp amperemeter automatically detects and selects AC/DC and other parameters, such as resistance, continuity, diode and capacitance,. This makes operation easier and more reliable than ever before. Your readings are clearly and distinctly presented on the two-line display. In addition to this, the testo 770-3 offers a performance measurement function and can be connected via Bluetooth to the testo Smart Probes App. In the App, the measurement curve can be displayed as a graph on your smartphone/tablet and directly documented in the report.

Technical data:
Temperature TC Type K (NiCr-Ni):
Measuring range: -20 to +500 °C
Accuracy: ±1 °C (0 to +100 °C)
Resolution: 0.2 °C

DC voltage:
Measuring Range: 1 to 600 V
Resolution: 1 mV
Accuracy: ± (0.8 % of mv + 3 Digit)

AC voltage:
Measuring Range: 1 mV to 600 V
Resolution: 1 mV
Accuracy: ± (1.0 % of mv + 3 Digit)

DC current:
Measuring Range: 0.1 μA to 600 A
Resolution: 0.1 μA
Accuracy: ± (2 % of mv + 5 Digit)

AC current:
Measuring Range: 0.1 μA to 600 A
Resolution: 0.1 μA
Accuracy: ± (2 % of mv + 5 Digit)

Resistance:
Measuring Range: 0.1 Ohm to 60.00 MOhm
Resolution: 0.1 Ohm
Accuracy: ± (1.5 % of mv + 3 Digit)

Capacitance:
Resolution: 0.01 nF
Measuring Range: 2 nF to 60.00 mF
Accuracy: ± (1.5 % of mv + 5 Digit)

Frequency:
Measuring Range: 0.01 Hz to 9999 kHz
Accuracy: ± (1.0 % of mv + 1 Digit)

Active Power:
Measuring Range: 0.1 W to 600 kW
Accuracy: ± (5 % of mv + 5 Digit)
Resolution: 0.1 W

Reactive Power:
Measuring Range: 0.1 to 600.0 kVA
Accuracy: ± (10 % of mv + 5 Digit)
Resolution: 0.1 var

Apparent Power:
Measuring Range: 0.1 VA to 600.0 kVA
Accuracy: 1± Digit
Resolution: 0.1 VA

Direct current DC Voltage:
Measuring Range: 0.1 W to 600.0 kW
Accuracy: ± 1 Digit
Resolution: 0.1 W

Power Factor:
Measuring Range: -1.00 to +1.00
Accuracy: ± (10 % of mv + 5 Digit)
Resolution: 0.01

General technical data:
Dimensions: 249 x 96 x 43 mm
Operating temperature: -10 to +50 °C
Storage temperature: -15 to +60 °C
Weight: 378 g
Overvoltage Category: CAT IV 600V; CAT III 1000V
Authorizations: CSA; CE

Instrument Measurement Functions:
Diode test: yes
Continuity testing: yes
Display ligthing: yes
Hold: yes
MinMax: yes
Power Measurement: yes
Temperature measurement with adapter: yes
True RMS: yes
Inrush current measurement: yes
Bluetooth: yes
Display (counts): 6,000
μA current measuring range: yes
Autom. measurement parameter detection: yes

Temperature measurements up to +500°C possible for a short time
Measuring values easy to read off thanks to a pivoting display
Quick response time
Long, pointed thermocouple probe: ideal for measurements in liquids, soft or powdery substances and in the air

The testo 905-T1 penetration thermometer enables reliable temperature measurements in liquids, soft or powdery substances and in the air. In doing so, it is the temperature measuring instrument's large measuring range and its short response time that make it stand out. Both advantages are due to the high-quality type K thermocouple probe.

Product Description:
The testo 905-T1 penetration thermometer has a large measuring range from -50 to +350 °C and can even measure up to +500 °C for a short time (1 to 2 minutes). Its permanently integrated type K thermocouple probe makes this possible. In addition, the penetration thermometer is characterized by its short response time. The thermocouple probe reacts very quickly, particularly in water (or other liquids). The penetration thermometer is therefore ideally suited for measurements in fluid substances in laboratory, chemical and pharmaceutical areas.
However, as well as immersion/penetration of the long, pointed probe shaft in liquids and soft or powdery substances being possible, you can also insert it in ventilation ducts to measure the temperature there. The penetration thermometer is also a winner when it comes to accuracy, because it achieves a higher level than typical comparable models.

A really user-friendly penetration thermometer
The testo 905-T1 penetration thermometer is easy to use and very user-friendly. The measuring values are shown very legibly on the display. The fact that the display can be pivoted also makes reading easier. This is particularly practical, since the measuring values can be read off perfectly from many different perspectives.

Technical data:
Temperature:
Measuring range: -50 to +350 °C (short-term to +500 °C)
Accuracy: ±1 °C (-50 to +99.9 °C)
±1 % of mv (Remaining Range)
Resolution: 0.1 °C
Reaction time: t99 = 10 s (in water)

General technical data:
Dimensions: 270 x 40 x 70 (LxWxH)
Operating temperature: 0 to +40 °C
Housing: ABS
Product colour: Black
Length probe shaft: 200 mm
Length probe shaft tip: 4 mm
Diameter probe shaft: 3 mm
Battery type: 3 AAA micro batteries
Battery life: 1000 h
Display type: LCD
Display size: one-line
Storage temperature: -20 to +70 °C
Weight: 80 g

Measures relative humidity and air temperature
Calculates the dew point
Ideal for measurements in ventilation ducts and in rooms
Measuring values easy to read off thanks to a pivoting display

The testo 605-H1 thermohygrometer enables reliable measurement of humidity and air temperature and calculation of the dew point. It has a permanently mounted probe shaft which means it is excellent when it comes to carrying out check measurements in ventilation ducts.

Product Description:
If you are looking for a compact, user-friendly thermohygrometer, the testo 605-H1 is the ideal choice. It measures relative humidity and air temperature and also calculates the dew point in the -20 to +50 °C td range. The built-in Testo humidity sensor ensures reliable measurement results with long-term stability.

The thermohygrometer is suitable for check measurements in production, storage, office and server areas. The testo 605-H1 is particularly practical for measurements in ventilation ducts, because it has a permanently mounted probe shaft (length: 125 mm). The bracket which is also supplied enables you to position and fix the probe shaft in the desired location in the ventilation duct. This means you can carry out your measurements without having to hold the thermohygrometer while doing so.

The design of the testo 605-H1 temperature and humidity measuring instrument has been well thought through, right down to the details: the display can be pivoted into different positions, enabling the measuring values to be read off easily. When you are not using the testo 605-H1, the rotating protective cap at the end of the probe shaft protects the sensor from mechanical stress.

Technical data:
Temperature NTC:
Measuring range: 0 to +50 °C
-20 to +50 °Ctd
Accuracy: ±0.5 °C
Resolution: 0.1 °C
Humidity Capacitive
Measuring range: 5 to 95 %RH
Accuracy: ±3 %RH
Resolution: 0.1 %RH

General technical data:
Operating temperature: 0 to +50 °C
Battery type: 3 AAA micro batteries
Battery life: Approx. 1000 h
Storage temperature: -20 to +70 °C
Weight: 75 g (with batteries, without packaging)

Differential pressure measurement from 0 to 100 hPa
Flow measurement possible with a Pitot tube (available as an option)
Magnets on the rear allow hands-free work
10 units to choose from, display in pascals can be selected

Differential pressure measurement on gas hot water heaters or on filters of air conditioning systems, and also flow measurements in ventilation ducts using a Pitot tube: the compact testo 510 differential pressure measuring instrument, which comes with a silicone connection hose and other useful accessories, can help you maintain and install systems in the sanitary and HVAC sector.

Product Description:
With the testo 510 differential pressure measuring instrument, heating installers and air conditioning engineers will be well-equipped to carry out their work: the instrument measures differential pressure from 0 to 100 hPa and can help you check filters on air conditioning systems or measure static gas and gas flow pressure on heating systems, for example.

The following units can be selected on the testo 510 differential pressure measuring instrument:

Pa
hPa
mbar
mmH2O
mmHg
inH2O
inHg
psi
m/s
fpm

In addition, you can measure the flow in the ventilation duct with a Pitot tube that is available as an option – from 10 to 100 m/s.

Practical and precise: key advantages offered by the differential pressure measuring instrument
Precise: the differential pressure measurement has temperature and air density compensation for accurate readings
Uncomplicated: small, handy and easy to operate with just three buttons
Clever: you can work with your hands free thanks to magnets on the rear of the instrument. When there is poor visibility, such as in dark surroundings, the illuminated display makes it easier for you to work
Reliable: a belt pouch and plug-on protective cap mean the differential pressure measuring instrument can be safely stowed away and it is also well-secured during measurement thanks to a wrist strap
Ready to go: the silicone connection hose is included in the testo 510 set. So you can start your measurements straight away

Technical data:
Differential Pressure Piezoresistive:
Measuring range: 0 to 100 hPa
Accuracy: ±0.03 hPa (0 to 0.30 hPa)
±0.05 hPa (0.31 to 1.00 hPa)
±(0.1 hPa + 1.5 % of mv) (1.01 to 100 hPa)
Resolution: 0.01 hPa

General technical data:
Dimensions: 119 x 46 x 25 mm
Operating temperature: 0 to +50 °C
Protection class: IP40
Seceltable units: hPa, mbar, Pa, mmH2O, inH₂O, inHg, mmHg, psi, m/s, fpm
Maximal static pressure: 500 mbar
Measuring rate: 0.5 s
Battery type: 2 AAA micro batteries
Battery life: 50 h (average, without display illumination)
Storage temperature: -40 to +70 °C
Weight: 90 g (with batteries and protective cap)

Measurement of air velocity, volumetric flow and air temperature
For measurements in ventilation ducts and in rooms
Particularly precise in the range between 0 and 2 m/s
Telescope extendible to 300 mm

Use the testo 405 thermal anemometer to measure air velocity, volumetric flow and air temperature. It is suitable for carrying out quick check measurements in ventilation ducts and for measuring the air velocity in rooms, e.g. at draughty windows.

Product Description:
If, in your capacity as an HVAC engineer, you carry out fast check measurements in ventilation ducts or in rooms, then our testo 405 thermal anemometer is a must-have. The anemometer features a permanently mounted telescope and enables you to measure air flow, volumetric flow and air temperature. The measuring range for flow is between 0 to 10 m/s, volumetric flows are calculated up to 99,990 m3/h.

The extendible telescope (up to 300 mm) makes the thermal anemometer particularly suitable for flow measurements in ventilation ducts. The illuminated display can be swivelled into various positions, ensuring that the readings can be read off comfortably. The duct bracket (included in the delivery) offers key practical advantages. You can use this to optimally position the telescope in the ventilation duct and obtain precise measurement results.

Since the testo 405 thermal anemometer measures particularly accurately in the range between 0 and 2 m/s, you can also use it to measure the air velocity in rooms. Low air velocities, at draughty windows for example, are quickly located and accurately measured using the anemometer.

Integrated sensor protection: when you are not using the testo 405 thermal anemometer, the rotating protective cap protects the flow sensor from mechanical stress.

Technical data:
Temperature NTC:
Measuring range: -20 to +50 °C
Accuracy: ±0.5 °C
Resolution: 0.1 °C

Velocity -Thermal anemometer:
Measuring range: 0 to 5 m/s (-20 to 0 °C)
0 to 10 m/s (0 to +50 °C)
0 to 99990 m³/h
Accuracy: ±(0.1 m/s + 5 % of mv) (0 to 2 m/s)
±(0.3 m/s + 5 % of mv) (Remaining Range)
Resolution: 0.01 m/s

General technical data:
Dimensions: 490 x 37 x 36 mm
Operating temperature: 0 to +50 °C
Battery type: 3 AAA micro batteries
Battery life: Approx. 20 h
Display type: LCD
Length probe shaft: 300 mm
Diameter probe shaft: 16 mm
Diameter probe shaft tip: 12 mm
Storage temperature: -20 to +70 °C
Weight: 115 g (with batteries, without packaging)

Vane anemometer with permanently installed 40 mm vane
Measurement of air velocity and air temperature
Calculates wind chill and the Beaufort wind force
Practical: with single-point averaging, max/min and Hold function

The testo 410-1 vane anemometer measures air velocity and air temperature. Use it to carry out quick spot measurements at ventilation grilles (air outlets). The anemometer is also ideal for use outdoors. It displays the units m/s, km/h, fpm, mph and kts, and also calculates wind chill and the Beaufort wind force.

Product Description:
The testo 410-1 vane anemometer is impressive thanks to its practical pocket size and is ideal for fast check measurements. With a measuring range of 0.4 to 20 m/s, the anemometer can even be used for low flow speeds.
The anemometer has a permanently mounted vane with a diameter of 40 mm. You can therefore use it for the integral measurement of air velocity at ventilation grilles (air outlets).
The anemometer is practical for outdoor operation: as well as air velocity and air temperature, the testo 410-1 also calculates the Beaufort wind force and the wind chill temperature, which is the temperature perceived by a person due to wind-related cooling.

The vane anemometer with practical functions
The testo 410-1 includes a plug-on protective cap, as well as a wrist strap for secure measurement, and enables you to take advantage of the following functions:
Single-point averaging: provides information on the average air velocity, e.g. at air outlets
Hold function: is used to record the current values relating to air velocity and air temperature and compare them with each other
Max/min values: get the minimum or maximum values since the anemometer was last switched on or reset, at the touch of a button
Illuminated display: read off your readings even in dark environments
Selectable units: for air velocity and temperature: m/s, km/h, fpm, mph, kts, Beaufort, °C, °F and wind chill

Technical data:
Temperature NTC:
Measuring range: -10 to +50 °C
Accuracy: ±0.5 °C
Resolution: 0.1 °C
Measuring rate: 0.5 s

Velocity Vane:
Measuring range: 0.4 to 20 m/s
Accuracy: ±(0.2 m/s + 2 % of mv)
Resolution: 0.1 m/s

General technical data:
Dimensions: 133 x 46 x 25 mm (incl. protective cap)
Operating temperature: -10 to +50 °C
Protection class: IP10
Battery type: 2 AAA micro batteries
Battery life: 100 h (average, without display illumination)
Storage temperature: -20 to +70 °C
Weight: 110 g (with protective cap and batteries)

Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, volume flow and air temperature in ventilation ducts
Convenient: integrated telescope that can be extended to 0.85 m, with scaling, makes it easy to carry out measurements
Reliable: absolute pressure compensation, internal data storage and USB port for data export
As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes

Kit for carrying out measurements in ventilation ducts: the testo 440 air velocity and IAQ measuring instrument and the hot wire probe (Ø 9 mm) including temperature sensor are all safely stowed away in the case. So you can get down to work straight away!

Product Description:
Use this practical kit to measure air velocity velocity, volume flow and air temperature in ventilation ducts. The testo 440 multifunction measuring instrument and the hot wire probe feature an intelligent calibration concept, ease of use and maximum convenience for the adjustment of air-conditioning and ventilation systems.

testo 440 Hot Wire Kit in detail
testo 440 air velocity and IAQ measuring instrument:
No task is too challenging, no application too specialized: the testo 440 combines a compact hand-held measuring instrument with intuitive measurement menus and a wide selection of air velocity and IAQ probes (please order separately)
Clearly structured measurement menus: the volume flow is precisely calculated thanks to convenient input of the size and geometry of the duct cross-section. Timed and multi-point mean calculation, average volume flow, current reading and min./max. values are displayed
Other practical measurement menus, e.g. long-term measurement, volume flow measurement with a funnel, etc.
Easy storage and evaluation of measurement data. Measurement data memory for up to 7500 measurement protocols, which can be read via a USB port and further processed as a CSV file on the computer (e.g. with Excel)
Practical magnets for easy attachment of the measuring instrument to metal surfaces (e.g. ducts)
Automatic detection of probes, e.g. hot wire probe
Large, backlit colour display

Hot wire probe (Ø 9 mm) including temperature sensor:
Use the hot wire probe to measure air velocity, volume flow and air temperature in ventilation ducts
Accurate measurements from 0 to 30 m/s and -20 to +70 °C thanks to the robust sensor and automatic absolute pressure compensation
Telescope that can be extended to 0.85 m, with scaling, makes it easy to measure in ventilation ducts
Use the fixed cable to connect the hot wire probe to the testo 440 air velocity and IAQ measuring instrument
Intelligent calibration concept: the air velocity and IAQ measuring instrument remains in continuous use, since only the probe is sent in for calibration

Technical data:
Temperature NTC:
Measuring range: -40 to +150 °C
Accuracy: ±0.4 °C (-40 to -25.1 °C)
±0.3 °C (-25 to +74.9 °C)
±0.4 °C (+75 to +99.9 °C)
±0.5 % of mv (Remaining Range)
Resolution: 0.1 °C

Temperature TC Type K (NiCr-Ni):
Measuring range: -200 to +1370 °C
Accuracy: ±(0.3 °C + 0.3 °C)
Resolution: 0.1 °C

General technical data:
Dimensions: 154 x 65 x 32 mm
Operating temperature: -20 to +50 °C
Connectable probes: 1 x digital probe with cable or 1 x Temperature NTC TUC, 1 x digital Bluetooth probe or testo Smart Probe, 1 x Temperature TC Type K
Battery type: 3 AA mignon 1.5 V
Battery life: 12 h (typically vane measurement)
Data transfer: USB interface
Storage temperature: -20 to +50 °C
Weight: 250 g

Automated temperature monitoring with integrated probe
WiFI data logger system with easy installation and operation
Call up temperature data at any time via Smartphone, tablet or PC
Limit value violation alarms by e-mail or (optionally) SMS

The WiFi data logger testo Saveris 2-T1 allows you to monitor the temperatures in refrigerated, workor storerooms. The temperature values measured with the integrated probe are reliably recorded over long periods, and transmitted directly to the Testo Cloud (online data store) via your wireless LAN. You can access these readings at any time, anywhere, using your internet-enabled smartphone, tablet or PC.

Product Description:
The testo Saveris 2 WiFi data logger system is the easy, versatile and reliable solution for the measurement and monitoring of temperature values in your storage, refrigerated and work rooms. Installing the system is child's play and can be carried out either via a browser or with the testo Saveris 2 App.

Temperature monitoring with testo Saveris 2
The temperature monitoring system consists of at least one WiFi data logger and a Cloud access (online data store). As a component of this data logger system, the testo Saveris 2-T1 temperature data logger with integrated NTC temperature probe stores all measured temperature values and transmits them directly via your WLAN to the Testo Cloud. You can use the alarm function to receive immediate warnings by e-mail or SMS (optional) when limit values are violated.

The Testo Cloud packages: Basic (free) and Advanced
The Testo Cloud is the core operating element for setting up your testo Saveris 2 system. Here you can configure your WiFi data loggers, set limit value alarms and analyze your measurement data. You can access all measuring values and analysis functions anywhere and at any time with an internet-capable smartphone, tablet or PC. You must first register at www.saveris.net to have access to the Testo Cloud.

Depending on the range of functions you require, you have a choice between the free Basic and the more extensive Advanced functionality for use of the Testo Cloud:

Basic (free): Advanced:
Measuring cycle: 15 min. ... 24 h 1 min. ... 24 h
Communication cycle: 15 min. ... 24 h 1 min. ... 24 h
Data storage: Max. 3 months Max. 2 years
Reports: Manual (.pdf/.csv) Manual (.pdf/.csv)
Automatic (.pdf/.csv)
Number of users per account: 1 10
Number of WiFi data loggers per account: Unlimited Unlimited
Alarm options: Upper/lower alarm limits • Upper/lower alarm limits
• Alarm delay
• Time control of alarms
System notifications: • Notification of low battery • Notification of low battery
• Radio link interrupted • Radio link interrupted
• Power supply interrupted • Power supply interrupted
E-mail alarm: Yes Yes
SMS alarm: No • Including 25 SMS per logger and year • Option of purchasing additional SMS packages
Measurement data export (API interface): Yes Yes

If you opt for the advantages of the Advanced package, this also gives you a choice between licence packages which differ in terms of their validity period (12-month licence with order no. 0526 0735, 24-month licence with order no. 0526 0732, 36-month licence with order no. 0526 0733).

WiFi data logger: advantages and functions
Current measuring values, limit value violations and the remaining battery life can be seen in the data logger's display. The standard batteries (AA) have a lifetime of 12 months and can be replaced at any time by users themselves. The internal data memory of the WiFi data logger is 10,000 readings and the housing has IP65 protection. The testo Saveris 2-T1 is tested by TÜV Süd according to EN 12830.

Technical data:
Temperature NTC:
Measuring range: -30 to +50 °C
Accuracy: ±0.5
Resolution: 0.1 °C

General technical data:
Dimensions: 95 x 75 x 30.5 mm
Operating temperature: -30 to +50 °C
Protection class: IP65
Communication rate: Dependent on Cloud licence; Basic: 15 min … 24 h / Advanced: 1 min … 24 h
WLAN Connectivity: Signal transmission: wireless; frequency band: 2.4 GHz; supported wireless LAN standards: IEEE 802.11 b/g/n and IEEE 802.1X; Possible encryption methods: without encryption, WEP, WPA, WPA2, WPA2 Enterprise The data loggers communicate via the standard protocol MQTT and are SNTP time synchronization-capable.
Measuring rate: Dependent on Cloud licence; Basic: 15 min … 24 h / Advanced: 1 min … 24 h
Standards: EN 12830
Power supply: 4 x AA AlMn batteries; mains unit optional; for temperatures below -10 °C please use Energizer batteries 0515 0572
Memory: 10,000 measurement values / channel
Battery life: 12 months (typical value, depending on the wireless LAN infrastructure) at +25 °C, 15-minute measuring cycle and standard communication cycle at -30 °C, 15-minute measuring cycle and standard communication cycle with Energizer batteries 0515 0572
Storage temperature: -40 to +70 °C (without batteries)
Weight: 240 g

Easy to operate and use: lockable probe for a secure hold
Temperature measuring instrument with connected probe is waterproof (IP 67)
Includes softcase and probe type T
HACCP-compliant and certified to EN 13485

The testo 108-2 temperature measuring instrument can be used for quick spot temperature measurement in the food sector. Compared with the testo 108, the advantage of the testo 108-2 is that the probe can be locked on the temperature measuring instrument, ensuring a secure hold.

Product Description:
In the food sector, temperature measurements are part of the daily routine. The only way you can thoroughly check and guarantee the quality of your products is with precise measurement.

The testo 108-2 temperature measuring instrument allows spot measurements in seconds. For transportation and storage of food, in restaurants, in large-scale kitchens and in the food service industry. The testo 108-2 temperature measuring instrument allows temperature measurement to be integrated into daily work routines with no added complications. And you do not have to worry about the obligatory HACCP regulations.

Advantages of the testo 108-2 temperature measuring instrument at a glance:
Lockable probe for a secure hold
Auto-hold, hold and min./max. function Function
Applicable everywhere in the food sector
Easy handling even by frequently changing staff
Probe can be stowed directly in the softcase
Temperature measuring instrument with connected probe is waterproof in compliance with IP 67
Large, clear display

Technical data:
Temperature TC Type T (Cu-CuNi):
Measuring range: -50 to +300 °C
Accuracy: ±0.5 °C (-30 to +70 °C)
±0.5 °C ±0.5 % of mv (Remaining Range)
Resolution: 0.1 °C

General technical data:
Reaction time: 10 s (measured in moving liquid)
Dimensions: 140 x 60 x 24.5 mm
Operating temperature: -20 to +60 °C
Housing: ABS / ABS-PC fibre glass 10%
Protection class IP67 with TopSafe
Measuring rate: 2 measurements per second
Futher features: Auto-hold, hold and min./max. function
Standards:EN 13485
EU-/EG-guidelines: 2004/108/EG
Battery type: 3 AAA micro batteries
Battery life: 2500 h (typical, at 23 °C)
Display type: LCD
Display size: one-line
Display function: with status line
Storage temperature: -30 to +70 °C
Weight: 150 g (instrument incl. battery, without soft case)

Measurement of gas flow and static pressure
Measurement menu for pressure drop test including alerts
Simple configuration and determination of volume flow with Pitot tube
Magnetic holder for easy attachment

Handy and intelligent: the compact testo 510i differential pressure measuring instrument featuring professional measuring technology and smartphone operation for measuring differential pressure, air flow velocity and volume flow. Readings can be viewed conveniently on your smartphone/tablet via the testo Smart Probes App and emailed directly.

Product Description:
The testo 510i differential pressure measuring instrument, used in conjunction with a smartphone or tablet, is suitable for quick and easy measurement of gas flow pressure and static pressure, as well as pressure drops on fans and filters. You can also use the compact testo 510i for flow measurement and volume flow measurement.

Turn your smartphone/tablet into a measuring instrument
Use your smartphone or tablet as a display: installed on a terminal device, the testo Smart Probes App allows you to view testo 510i readings conveniently, configure volume flow measurements quickly and easily, and carry out reliable timed and multi-point mean calculation. The App also includes a measurement menu for the pressure drop test. All measurement data can be displayed as a chart or in table form. The measurement data log can be emailed directly as a PDF or Excel file.

System requirements:
iOS 8.3 or later
Android 4.3 or later
Bluetooth 4.0

Technical data:
Differential pressure (internal sensor) Piezoresistive:
Measuring range: -150 to +150 hPa
Accuracy: ±0.05 hPa (0 to +1 hPa)
±(0.2 hPa + 1.5 % of mv) (+1 to +150 hPa)
Resolution: 0.01 hPa

General technical data:
Dimensions: 148 x 36 x 23 mm
Operating temperature: -20 to +50 °C
System requirements: requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
Battery type: 3 AAA micro batteries
Battery life: 150 h
Storage temperature: 20 to +60 °C

Automated temperature and humidity monitoring with integrated probe
WiFi data logger system with easy installation and operation
Call up measurement data at any time via Smartphone, tablet or PC
Limit value violation alarms by e-mail or (optionally) SMS

The WiFi data logger testo Saveris 2-H1 allows you to monitor the temperatures and humidity in refrigerated and workor storerooms. The temperature and humidity values measured with the integrated probes are reliably recorded over long periods, and transmitted directly to the Testo Cloud (online data storage) via your wireless LAN. You can access these readings at any time, anywhere, using your internet-enabled smartphone, tablet or PC.

Product Description:
The testo Saveris 2 WiFi data logger system is the easy, versatile and reliable solution for the measurement and monitoring of temperature and humidity values in your storage, refrigerated and work rooms. Installing the system is child's play and can be carried out either via a browser or with the testo Saveris 2 App.

Humidity and temperature monitoring with testo Saveris 2
The humidity and temperature monitoring system consists of at least one WiFi data logger and a Cloud access (online data store). As a component of this data logger system, the testo Saveris 2-H1 temperature and humidity data logger with integrated temperature and humidity probes stores all measured values and transmits them directly by wireless LAN to the Testo Cloud. You can use the alarm function to receive immediate warnings by e-mail or SMS (optional) when limit values are violated.

The Testo Cloud packages: Basic (free) and Advanced
The Testo Cloud is the core operating element for setting up your testo Saveris 2 system. Here you can configure your WiFi data loggers, set limit value alarms and analyze your measurement data. You can access all measuring values and analysis functions anywhere and at any time with an internet-capable smartphone, tablet or PC. You must first register at www.saveris.net to have access to the Testo Cloud.
Depending on the range of functions you require, you have a choice between the free Basic and the more extensive Advanced functionality for use of the Testo Cloud:

Basic (free) Advanced
Measuring cycle: 15 min. ... 24 h 1 min. ... 24 h
Communication cycle: 15 min. ... 24 h 1 min. ... 24 h
Data storage: Max. 3 months Max. 2 years
Reports: Manual (.pdf/.csv) Manual (.pdf/.csv)
Automatic (.pdf/.csv)
Number of users per account: 1 10
Number of WiFi data loggers per account: Unlimited Unlimited
Alarm options: Upper/lower alarm limits • Upper/lower alarm limits
• Alarm delay
• Time control of alarms
System notifications: • Notification of low battery • Notification of low battery
• Radio link interrupted • Radio link interrupted
• Power supply interrupted • Power supply interrupted
E-mail alarm: Yes Yes
SMS alarm: No • Including 25 SMS per logger and year
• Option of purchasing additional SMS packages
Measurement data export (API interface): Yes Yes
If you opt for the advantages of the Advanced package, this also gives you a choice between licence packages which differ in terms of their validity period (12-month licence with order no. 0526 0735, 24-month licence with order no. 0526 0732 and 36-month licence with order no. 0526 0733).


WiFi data logger: advantages and functions
Current measuring values, limit value violations and the remaining battery life can be seen in the data logger's display. The standard batteries (AA) have a lifetime of 12 months and can be replaced at any time by users themselves. The internal data memory of the WiFi data logger has a capacity of 2 x 10,000 readings and the housing is protected according to IP30.

Technical data:
Temperature NTC:
Measuring range: -30 to +50 °C
Accuracy: ±0.5 °C
Resolution: 0.1 °C

Humidity Capacitive:
Measuring range: 0 to 100 %RH
Accuracy: ±2 %RH
Resolution: 0.1 %RH

General technical data:
Dimensions: 115 x 82 x 31 mm
Operating temperature: -30 to +50 °C
Protection class: IP30
Communication rate: Dependent on Cloud licence; Basic: 15 min … 24 h / Advanced: 1 min … 24 h
WLAN Connectivity: Signal transmission: wireless; frequency band: 2.4 GHz; supported wireless LAN standards: IEEE 802.11 b/g/n and IEEE 802.1X; Possible encryption methods: without encryption, WEP, WPA, WPA2, WPA2 Enterprise The data loggers communicate via the standard protocol MQTT and are SNTP time synchronization-capable
Measuring rate: Dependent on Cloud licence; Basic: 15 min … 24 h / Advanced: 1 min … 24 h
Power supply: 4 x AA AlMn batteries; mains unit optional; for temperatures below -10 °C please use Energizer batteries 0515 0572
Memory: 10,000 measurement values / channel
Battery life: 12 months (typical value, depending on the wireless LAN infrastructure) at +25 °C, 15-minute measuring cycle and standard communication cycle at -30 °C, 15-minute measuring cycle and standard communication cycle with Energizer batteries 0515 0572
Storage temperature: -40 to +70 °C (without batteries)
Weight: 250 g

For carrying out temperature checks in the food industry
Ready to go. One probe temperature sensor included, further type K and T temperature sensors (optional) can be connected
Digital food thermometer also waterproof with connected probe sensor (IP67 protected)
HACCP and EN 13485 compliant

For super-fast spot checks and reliable results. The testo 108 waterproof food thermometer for measuring temperatures during food production, processing and storage. For carrying out super fast and reliable temperature checks during food production, processing and storage.

Product Description:
Temperature measurements are one of the most essential elements of quality control in the food industry. But there are two conditions which have to be met. They have to be fast and they have to be reliable.

The testo 108 digital food thermometer ticks the box on both counts. It is fast. It is reliable. And there are added benefits too:
Ideal for all sectors of the food industry. From buying to transport, from storage to production and control
Protective softcase and type T thermocouple probe sensor included
Super fast measurements, super reliable readings
Easy to use with self-explanatory keys and large, easy-to-read display. No need for lengthy instructions
Hygienic: softcase and food thermometer/sensor can be easily cleaned under running water
HACCP and EN 13485 compliant

Areas of application for the testo 108 digital food thermometer
Ideal for use during transport or storage of food, in restaurants, canteen kitchens or system catering: the testo 108 digital food thermometer enables you to integrate your temperature measurements effortlessly into your daily routine while making sure that the quality of your food complies with HACCP regulations.

Technical data:
Temperature TC Type K (NiCr-Ni):
Measuring range: -50 to +300 °C
Accuracy: ±0.5 °C (-30 to +70 °C)
±0.5 °C ±0.5 % of mv (Remaining Range)
Resolution: 0.1 °C

Temperature TC Type T (Cu-CuNi):
Measuring range: -50 to +300 °C
Accuracy: ±0.5 °C (-30 to +70 °C)
±0.5 °C ±0.5 % of mv (Remaining Range)
Resolution: 0.1 °C

General technical data:
Reaction time: 10 s (measured in moving liquid)
Dimensions: 140 x 60 x 24.5 mm
Operating temperature: -20 to +60 °C
Housing: ABS / ABS-PC fibre glass 10%
Protection class: IP67 with TopSafe
Measuring rate: 2 measurements per second
Standards: EN 13485
EU-/EG-guidelines: 2004/108/EG
Battery type: 3 AAA micro batteries
Battery life: 2500 h (typical, at 23 °C)
Display type: LCD
Display size: one-line
Display function: with status line
Storage temperature: -30 to +70 °C
Weight: 150 g (instrument incl. battery, without soft case)

For refrigeration engineers: Compact kit containing testo 549i high-pressure gauge and testo 115i clamp thermometer (two of each). Used in conjunction with your smartphone/tablet, the kit is ideal for servicing, troubleshooting and installing air conditioning and refrigeration systems. The testo Smart Probes App makes your work easier and more efficient: over 90 stored refrigerants, automatic calculation of superheating/ subcooling, emailing of measurement data reports as PDF or Excel files.

Application-specific measurement menus for superheating/ subcooling
More than 90 common refrigerants plus refrigerant updates in the testo Smart Probes App
100 m Bluetooth range for particularly flexible applications
Transmission and analysis of measurement data via testo Smart Probes App

Technical data (testo 115i - Clamp thermometer):
Temperature - NTC:
Measuring range: -40 to +150 °C
Accuracy: ±1,3 °C (-20 to +85 °C)
Resolution: 0,1 °C
General technical data:
Weight: 127.4 g
Dimensions: 183 x 90 x 30 mm
Operating temperature: -20 to +50 °C
Product-/housing material: Plastic
System requirements: requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
Product colour: black/orange
Battery type: 3 AAA micro batteries
Battery life: 150 h
Data transfer: Bluetooth
Radio range: 100 m
Storage temperature: -20 to +60 °C

Technical data (testo 549i - High-pressure gauge):
Pressure measurement:
Measuring range: -1 to +60 bar
Accuracy: ±0,5 % of fsv
Resolution: 0,01 bar
Probe connection: 7 / 16 " - UNF
Overload rel. (high pressure): +65 bar
General technical data:
Weight: 156,6 g
Dimensions: 125 x 32 x 31 mm
Operating temperature: -20 to +50 °C
Product-/housing material: Plastic
System requirements: requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
Product colour: black/orange
Battery type: 3 AAA micro batteries
Battery life: 130 h
Data transfer: Bluetooth
Radio range: 100 m
Pressure media: CFC, HFC, HCFC, N, H?O, CO?
Storage temperature: -20 to +60 °C

Wireless temperature measurement: The testo 915i thermometer with smartphone operation and Bluetooth is part of the popular Testo Smart Probes portfolio. The thermometer provides fast, reliable measurement results and is versatile and easy to use thanks to the robust probe – making it ideal for carrying out your temperature measurements, e.g. in liquids.

Smart Probe for wireless temperature measurement in a wide range of applications, thanks to a large selection of probes and compatibility with standard type K thermocouple probes.
Robust, fast-response immersion/penetration probe (TC type K, class 1) with secure attachment via innovative locking mechanism in the handle, ideal for temperature measurements in liquids, pastes and semi-solid media, measuring range -50 to +400 °C
Easy operation, evaluation and documentation with free testo Smart App as well as automatic Bluetooth connection to smartphones, tablets or Testo measuring instruments (e.g. testo 400, testo 550s) with a range of up to 100 m
High measurement accuracy thanks to system calibration ex-works

Measure temperatures in liquids, semi-solid media and pastes: The wireless thermometer testo 915i with robust, fast-response immersion/penetration probe will enable you to tackle your temperature measurements with greater speed, flexibility and ease. The testo 915i automatically connects to your smartphone/tablet or compatible testo measuring instrument via Bluetooth. The testo Smart App facilitates intuitive operation, clear display of measurement data as well as documentation and sending of reports on site. The handle is compatible with all standard type K thermocouple probes – making it versatile.

testo 915i - Thermometer with immersion/penetration probe and smartphone operation
- Robust, fast-response immersion/penetration probe (TC type K, class 1), measuring range -50 to +400 °C
- High measuring accuracy up to ±1.0 °C thanks to system calibration ex-works
- For fast, wireless temperature measurement in liquids, pastes and semi-solid media
- Innovative locking mechanism on the handle for easy, secure attachment of plug-in Testo measuring probes
- Versatile in all temperature-relevant applications: Compatible with all Testo and standard type K thermocouple probes
- testo Smart App: Display of readings, clear graphical presentation of temperature curves, create documentation on site and send as a PDF or CSV file
- Automatic Bluetooth connection to smartphones, tablets or compatible Testo measuring instruments
- Bluetooth with a range of up to 100 m
- Handy, robust housing
- Thanks to its proven quality and great durability, you can rely on your Testo Smart Probe in all conditions

Technical Data: testo 915i - Thermometer with immersion/penetration probe and smartphone operation
Temperature - TC Type K (NiCr-Ni):
Measuring range: -50 to +400 °C
Accuracy: ±1,0 °C (-50 to +100 °C) / ±1 % of mv (Remaining Range)
Resolution: 0,1 °C
Reaction time: t??: 3 s
General technical data:
Weight: immersion/penetration probe: 11 g / Bluetooth handle: 88 g
Dimensions: Bluetooth handle: 129 x 31 x 31 mm (LxWxH)
Operating temperature: -20 to +50 °C
Product-/housing material: Plastic
Protection class: IP40
System requirements: requires iOS 12.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
Product colour: black/orange
Plug-in probe connection: Lockable connection to 4 standard probes testo 915i; Standard plug-in connection to other common TC probes
Length probe shaft: 115 mm
Diameter probe shaft: 5 mm
Diameter probe shaft tip: 3 mm
Battery type: 3 AAA micro batteries
Battery life: 150 h
Data transfer: Bluetooth; automatic connection to testo Smart App and Testo measuring instruments
Radio range: 100 m
Storage temperature: -20 to +60 °C