Can detect all the most common cooling agents: CFCs, HFCs, FCs
Highly sensitive – detects even the smallest leaks
Easy-to-use one-button operation
Complies with specifications for F gases regulations, SAE Code J1627 and DIN EN 14624:2012 standard

Leak detection in refrigeration engineering? Sure thing! The testo 316-3 refrigerant leak detector can detect all the most common cooling agents and locate even the smallest leaks. Complies with all important regulations and norms. One piece of kit you as a refrigerant technician won’t want to be without.

Product Description:
The testo 316-3 refrigerant leak detector is one piece of kit that you as a refrigerant technician just won’t want to be without. The handheld leak detector can detect all the most common cooling agents. And the smallest leaks. Comes with an automatic zero setting that also enables you to locate leaks in contaminated rooms.

testo 316-3 leak detector – benefits at a glance
Can detect all common cooling agents: CFCs, HFCs, FCs
Highly sensitive ( < 4 g/a 1g/a according to DIN EN14624:2012 standard) can detect even the smallest leaks
Ready for use – there’s no need to select cooling agent characteristics first
Automatic zero setting – can detect leaks in rooms that are already contaminated
Visual and audible alarm which are activated when a leak is detected
Quick and easy sensor change
Complies with specifications for F gases regulations, SAE norm J1627 and DIN EN 14624:2012 standard

General technical data:
Operating humidity: 20 to 80 %RH
Operating temperature: -18 to +50 °C
Detectable: R22; R134a; R404A; R410A; R507; R438A; and all CFCs, HFCs, and HCFCs
Sensitivity: 4 g/a (0.15 oz/a)
Life-time sensor: Approx. 80 to 100 h (corresponds to approx. 1 year)
Standards: EN 14624:2012; SAE J1627
EU-/EG-guidelines: 2004/108/EG
Battery type: 2 x D
Battery life: 16h permanent operation
Storage temperature: 0 to +50 °C
Weight: 500 g (incl. batteries)

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

For completely wireless measurements on refrigeration and air conditioning systems and heat pumps. Thanks to the Bluetooth vacuum probe supplied, you can even measure vacuum without any cables or hoses. You will get the testo 557s smart digital manifold with Bluetooth and 4-way valve block, one testo 552i wireless vacuum probe (Bluetooth), two testo 115i wireless clamp thermometers (Bluetooth, NTC), a hose filling set with 4 hoses and a robust transport case. For other wireless measurements, the Testo Smart Probes are ideal.

Completely wireless measurements and all results at a glance: thanks to Bluetooth probes and large graphic display
Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
Easy, wireless, flexible measurements and documentation: Temperature and vacuum measurements via automatic Bluetooth® connection, testo Smart App for documentation and lots more

Applications:
Refrigeration systems, air conditioning systems, heat pumps
- Determination of high and low pressure, automatic determination of condensation and evaporation temperature and calculation of superheating/subcooling. All results can be read simultaneously on one screen
- Tightness test: Recording and analysis of the pressure curve
- Automatic calculation of the target superheat (in conjunction with the appropriate measuring instrument, e.g. Testo Smart Probe)
- Measure vacuum: Graphic progression display of the measurement with indication of the start and differential value
- Evacuation: Graphic progression display of the measurement with indication of the start and differential value (in conjunction with the appropriate Testo Smart Probe, e.g. testo 552i vacuum probe)

Technical Data: testo 557s - Smart digital manifold with Bluetooth and 4-way valve block:
Temperature:
Measuring range: -50 to +150 °C
Accuracy: ±0.5 °C
Resolution: 0.1 °C
Probe connection: 2 x Plug-in (NTC)
Pressure measurement:
Measuring range: -1 to 60 bar
Accuracy: ±0.5 % fs
Resolution: 0.01 bar
Probe connection: 3 x 7/16" – UNF + 1 x 5/8'' – UNF
Overload rel. (high pressure): 65 bar
General technical data:
Weight: 1243 g
Dimensions: 229 x 112.5 x 71 mm (LxWxH)
Operating temperature: -20 to +50 °C
Protection class: IP54
Product colour: Black
Auto-off: 10 min (when not connected via Bluetooth)
Battery type: 4 x type AA batteries
Battery life: 250 h with no illumination, no Bluetooth®h (without illumination, without Bluetooth®, without vacuum probe); 100 h with illumination and Bluetooth®
Radio range: 150 m
Pressure media: CFC
Refrigerants in instrument: R1234yf; R744 (CO?); R437A; R503; R452A; R500; R114; R444B; R407H; R422B; R434A; R410A; R290; R449A; R401B; R407F; R13; R123; R718 (H?O); R404A; R125; R416A; R421B; R422C; R448A; R22; R407A; R409A; R12; R454B; R414B; R442A; R1233zd; R420A; R424A; R458A; R427A; R450A; R124; R502; R1234ze; R600a; R23; R402B; R455A; R454A; R407C; R453a; R513A; R401A; R422D; R402A; R507; R454C; R408A; R421A; R134a; R32; R452B; R438A
System requirements: requires iOS 7.1 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
Refrigerants update via App: R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; R411A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
Storage temperature: -20 to +60 °C

Technical Data: testo 552i - App-controlled wireless vacuum probe
General technical data:
Weight: 142 g
Dimensions: 150 x 32 x 31 mm (LxWxH)
Operating temperature: -10 to +50 °C
Protection class: IP54
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
Auto-off: 10 min (when not connected via Bluetooth)
Battery type: 3 AAA micro batteries
Battery life: 39 h
Connection: 7/16“ UNF
Interface: Bluetooth 4.2
Storage temperature: -20 to +50 °C
Absolute Pressure:
Measuring range: 0 to 26.66 mbar / 0 to 20000 micron
Accuracy: ±10 micron + 10 % of mv (100 to 1000 micron)
Resolution: 1 micron (0 to 1000 micron) / 10 micron (1000 to 2000 micron) / 100 micron (2000 to 5000 micron)
Overload: absolute: 6.0 bar / 87 psi (relative: 5.0 bar / 72 psi)

Technical Data: testo 115i - Clamp thermometer operated via smartphone
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

Stainless Steel Vernier Caliper 
Range (mm): 0-300
Resolution: 0.02mm

For measuring volume flow, air velocity and temperature
Simple configuration of the dimension and geometry of the duct cross-section for determining the volume flow
Convenient for working in ventilation ducts thanks to its telescopic tube, which can be extended up to 400 mm
Really convenient to operate thanks to the testo Smart Probes App (e.g. easy viewing of readings, measurement data trend, log function)

With the testo 405i hot wire anemometer, you can measure air velocities, temperatures and volume flows. Via Bluetooth, the readings are transmitted wirelessly straight to the testo Smart Probes App on your smartphone or tablet. You can view the values conveniently and use numerous intelligent features.

Product Description:
No more surprises: the testo 405i thermal anemometer with smartphone operation from the Testo Smart Probes series is ideal for carrying out measuring tasks in ventilation ducts. It is easy to use the anemometer to determine air velocity, temperature and volume flows. The testo 405i is also suitable for measuring indoor air velocity. Practical when, for example, you want to locate non-airtight windows. Cooling capacities and heating outputs can also be calculated when used in conjunction with the testo 605i thermohygrometer.

Operation independent of measuring location via your smartphone
The testo 405i hot wire anemometer combines professional Testo measuring technology with App-based operation. This means you benefit from numerous additional functions in your day-to-day work. With the testo Smart Probes App, you can view readings conveniently on your smartphone or tablet. You no longer have to spend ages trying to make out the display at poorly accessible points. Volume flow can also be measured easily using the App: following intuitive input of the duct cross-section, the App calculates this completely automatically.

The App opens up other practical options too: it not only displays measurement data, but also evaluates and documents it. It is easy to carry out a timed and multi-point mean calculation with the App. It also displays the measurement data curve at the press of a button. And sends the measurement data logs as PDF or Excel files.

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

Technical data:
Temperature NTC:
Measuring range: -20 to +60 °C
Accuracy: ±0.5 °C
Resolution: 0.1 °C

Velocity Hot wire:
Measuring range: 0 to 30 m/s
Accuracy: ±(0.1 m/s + 5 % of mv) (0 to 2 m/s)
±(0.3 m/s + 5 % of mv) (2 to 15 m/s)
Resolution: 0.01 m/s

General technical data:
Dimensions: 200 x 30 x 41 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: 15 h
Length probe shaft: 400 mm
Storage temperature: -20 to +60 °C

The kit for app-controlled, wireless measurements and digital documentation on your smartphone. You will get the testo 550i app-controlled digital manifold with Bluetooth, 2-way valve block and sturdy hook, two testo 115i wireless clamp thermometers (Bluetooth, NTC) and a robust transport case. For other wireless measurements, the optional Testo Smart Probes for temperature, humidity and vacuum are the perfect addition. You’ll be ideally equipped to carry out your measuring tasks on refrigeration and air conditioning systems and also heat pumps.

- All activities, from measurement through to documentation, using the App on your Smartphone
- The smallest digital manifold on the market
- Maximum reliability and excellent flexibility: extremely robust housing with protection class IP54, optionally expandable with the wireless testo Smart Probes for temperature, humidity and vacuum

Applications: Refrigeration systems, air conditioning systems, heat pumps
- Determination of high and low pressure, automatic determination of condensation and evaporation temperature and calculation of superheating/subcooling. All the results can be read simultaneously on one display (in conjunction with the appropriate Testo Smart Probes)
- Tightness test: Recording and analysis of the pressure curve
- Automatic calculation of the target superheat (in conjunction with the testo Smart App and the appropriate Testo Smart Probes, e.g. testo 115i and testo 605i)
- Evacuation: Graphic progression display of the measurement with indication of the start and differential value (in conjunction with the appropriate Testo Smart Probe, e.g. testo 552i vacuum probe)

Technical Data: testo 550i - App-controlled digital manifold with Bluetooth and 2-way valve block
Pressure measurement:
Measuring range: -1 to 60 bar
Accuracy: ±0,5 % fs
Resolution: 0,01 bar
Probe connection: 3 x 7/16" – UNF
Overload rel. (high pressure): 65 bar
General technical data:
Weight: 595 g
Dimensions: 77 x 109 x 63 mm
Operating temperature: -10 to +50 °C
Protection class: IP54
System requirements: requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
Product colour: Black
Auto-off: 10 min (when not connected via Bluetooth)
Battery type: 3 AAA micro batteries
Battery life: 130 h
Data transfer: Bluetooth®
Radio range: 150 m
Refrigerants in instrument: R407H; R23; R290; R1234yf; R442A; R134a; R123; R452B; R438A; R421A; R453a; R401B; R1233zd; R410A; R407A; R407C; R452A; R401A; R422C; R427A; R422B; R424A; R125; R414B; R404A; R408A; R448A; R422D; R12; R114; R421B; R449A; R409A; R420A; R444B; R32; R454A; R124; R402A; R450A; R407F; R416A; R13; R437A; R1234ze; R454B; R402B; R22; R434A; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂)
Refrigerants update via App: R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; R411A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
Storage temperature: -20 to +60 °C

Technical Data: testo 115i - Clamp thermometer operated via smartphone
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

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

Volume flow hood for larger swirl outlets for measuring volume flow, temperature and relative humidity
Impressively light with a weight of 2.9 kg
Precise measurement even at swirl outlets thanks to integrated volume flow straightener
Fast set-up, convenient operation and protocol creation on site using the App

Make sure you get the testo 420 volume flow hood for larger ceiling outlets and at the same time enjoy multiple maintenance benefits on HVAC systems. Because the flow hood with the removable measuring instrument is not only exceptionally light, it also guarantees accurate volume flow calculations at swirl outlets.

Product Description:
The testo 420 volume flow hood for larger air inlets and outlets enables fast and precise compliance with hygiene guidelines and requirements concerning room air quality. It provides reliable support with the calculation of the overall volume flow on HVAC systems, for instance in hospitals, office buildings or commercial buildings.

High measuring accuracy at swirl outlets thanks to volume flow straightener
Volume flow is frequently measured at swirl outlets. Air flows are often incorrectly measured due to the turbulent air at these outlets.
The testo 420 volume flow hood means you can significantly reduce these measurement errors. The integrated volume flow straightener calms the turbulence and converts it into a virtually uniform air flow. This enables accurate calculation of volume flow in the 80 to 3,500 m3/h range.

Exceptionally light volume flow hood with fast set-up
The volume flow hood with ergonomic handles and tiltable display has an exceptional weight of less than 2.9 kg. This means that frequent volume flow calculations in large rooms and measurements above head height can also be carried out reliably and comfortably. In the process, a large measuring button on the volume flow hood ensures easy recording of the readings.
The dimensions of the hood are 610 x 610 mm. We offer additional hoods as accessories for further ceiling outlets. The use of our optional tripod arm is a great help for air inlets and outlets which are located very high up. It can be extended up to 4 metres.
The volume flow hood is quick and easy to set up thanks to tension rods. The trolley which is included in the scope of delivery ensures safe transport.

Create protocols directly on site and mail them using the App connection
Take advantage of further practical functions and download our free App. Because the App connection enables mobile devices such as smartphones and tablets to be used as a secondary display and remote control via Bluetooth. This is particularly practical for using a tripod arm for high ceilings.
The App enables live measurement on HVAC systems using a start and stop function and the saving of measurement data in txt format. You can create the measurement protocol directly on site using the App. Measurement results, such as the overall volume flow and the air exchange rate, can be directly assigned to customer-specific protocol templates. You can then send your readings and protocols via the e-mail function. This means you save a considerable amount of time and increase efficiency.

Volume flow hood with removable measuring instrument performance overview
The volume flow hood for HVAC systems is equipped with a measuring instrument for displaying measurement data. The device can be tilted and removed for user-friendly reading of measuring values.
The testo 420 measuring instrument enables you to measure flow velocity, volume flow, absolute pressure, temperature and relative humidity. The automatic zeroing ensures higher accuracy for low pressures.
All measuring values are easy to read on the large display which has an illumination function. For analyses and documentation, measurement data can be saved and measurement protocols created directly on site using the App connection. Administration of the measurement data is very easy on the PC without any additional software via the plug & play function.
The testo 420 volume flow hood with its integrated measuring instrument was not just developed for volume flow measurement at larger ceiling outlets. The measuring instrument can also be taken off the hood and used for pressure, flow and volume flow measurements in the duct. This means you can save on the purchase of an additional measuring instrument.
You merely have to attach a Pitot tube and connection hoses (both optional) for measurements in ducts. Timed and multi-point mean calculation, as well as the combination of the two, together with simple input of the duct geometry provide you with support for measurements in ducts.

Technical data:
Temperature NTC:
Measuring range: -20 to +70 °C
Accuracy: ±0.5 °C (0 to +70 °C)
±0.8 °C (-20 to +0 °C)
Resolution: 0.1 °C
Reaction time: 45 s (t90)

Humidity Capacitive:
Measuring range: 0 to 100 %RH
Accuracy: ±1.8 %RH + 3 % of mv at +25 °C
(5 to 80 %RH)
Resolution: 0.1 %RH

Differential Pressure Piezoresistive:
Measuring range: -120 to +120 Pa
Accuracy: ±2 % of mv + 0.5 Pa at +22 °C, 1013 hPa
Resolution: 0.001 Pa
Reaction time: 1 s (t90)

Absolute Pressure:
Measuring range: 700 to 1100 hPa
Accuracy: ±3 hPa
Resolution: 0.1 hPa
Reaction time: 1 s

Volume flow:
Measuring range: 40 to 4000 m³/h
Accuracy: ±3 % of mv + 12 m³/h at +22 °C
1013 hPa (85 to 3500 m³/h)
Reaction time: 1 s (t90)
Resolution: 1 m³/h

General technical data:
Dimensions: 610 x 610 mm (Standard hood)
Operating temperature: -5 to +50 °C
EU-/EG-guidelines: EU-guideline 2014/30/EU
Battery type: Alkali manganese, mignon, type AA
Battery life: 40 h
Display size: 3.5"
Display function: Dot matrix
Display ligthing: with illumination
Interface: Micro-USB; Bluetooth® 4.0 wireless technology
Memory: 2 GB (internal)
Storage temperature: -20 to +60 °C
Weight: 2900 g

- Automatic and precise refrigerant charging according to target superheat, subcooling and weight thanks to intelligent valve
- Wireless connection and operation with Testo manifolds and testo Smart App via Bluetooth
- All measured values for the charging process at a glance with storage of the measured data in the testo Smart App
- Particularly handy thanks to compact housing, low weight, practical carrying handle and a robust plastic bag

Product Description
Charge refrigeration systems and heat pumps faster and more precisely: automatically with the testo 560i wireless refrigerant scale, the intelligent refrigerant valve, a digital manifold from Testo and/or the testo Smart App. Simply enter the charging program, target value for superheating, subcooling or weight in the manifold or App and the scale and valve will do the rest for you. Your benefits: Time saving and precise charging of the system.

testo 560i kit for automatic charging of refrigeration systems and heat pumps
- In the kit: digital refrigerant scale testo 560i and intelligent valve (both with Bluetooth), shoulder bag, batteries
- Automatic and precise refrigerant charging with the aid of refrigerant scale, intelligent valve as well as Testo manifold and/or testo Smart App
- Easy operation via Testo manifold or testo Smart App with automatic charging programs according to target value superheat, subcooling or refrigerant weight
- Flexible in confined environments: Scale and valve automatically connect via Bluetooth to the manifold and App on your smartphone/tablet
- All measured values for the charging process at a glance in the manifold and App with storage of the measured data in the App
- Compatible with the manifolds testo 557s/550s/550i as well as testo 557 /550, Smart Probes testo 115i/ 549i/605i, testo Smart App for Android and iOS

Advantages of the testo 560i refrigerant scale
- High measurement accuracy with resolution 10 g and output in kg
- Maximum load of 100 kg for all common refrigerant containers
- High Bluetooth range of up to 150 m together with a Testo manifold (alone up to 30 m)
- Safe handling: 3D corners for accurate positioning of the refrigerant container and textured rubber surface for stable grip
- High robustness due to dust and splash water protection (IP44)
- Especially handy thanks to compact housing, low weight, practical carrying handle and sturdy shoulder bag
- Long battery life of up to 70 hours thanks to replaceable AA batteries and auto power-off function
- High flexibility in outdoor use at temperatures from -10 to 50° C

Advantages of the refrigerant valve
- Especially robust thanks to IP54
- The valve can work up to 35 bar
- High Bluetooth range of up to 150 m together with a Testo manifold (alone up to 50 m)
- Long battery life of over 60 hours and replaceable 9 V block battery
- Very practical due to sturdy hook

Technical Data

testo 560i - Digital refrigerant scale with Bluetooth® - General technical data:
Operating humidity: 0 to 80 %RH
Weight: 4,36 kg (incl. batteries and bag)
Measuring range: 0 to 100 kg
Accuracy: Operating temperature +22 °C:
≤ ±(10 g+ 0,03 %rdg) (0 to 30 kg)
≤ ±(10 g+ 0,05 %rdg) (30 to 100 kg)
Resolution: 0,01 kg
Dimensions: 310 x 287 x 58 mm (LxWxH)
Operating temperature: -10 to +50 °C
Protection class: IP44
Battery type: 4 x type AA batteries
Battery life: > 70 h at +25 °C
Interface: Bluetooth® 4.2
Radio range: 30 m
Storage temperature: -10 to +50 °C

Refrigerant valve with Bluetooth - for digital refrigerant scale testo 560i - General technical data:
Operating humidity: 0 to 80 %RH
Weight: 570 g (incl. batteries)
Dimensions: 95 x 119 x 47 mm (LxWxH)
Operating temperature: -10 to +50 °C
Protection class: IP54
Product colour: black/orange; silver
Maximum working pressure: 35 bar
Battery type: 9 V (6LR61)
Battery life: >60 hrs + 3000 valve operations
Interface: Bluetooth® 4.2
Radio range: 50 m
Storage temperature: -10 to +50 °C

Accud Outside Micrometer (50mm-75mm) (0.01mm)

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)

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

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

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

Wireless vacuum measurements via just one service port: The testo 552i app-controlled vacuum probe with Bluetooth enhances the Testo Smart Probes portfolio. It delivers reliable measurement results, is robust and easy to use – the vacuum probe provides optimum support for proper evacuation of refrigeration and air conditioning systems and heat pumps.

Identify vacuum quickly and easily by means of the graphical display in the App or on the digital manifold screen
Connects automatically via Bluetooth® to the testo Smart App and digital manifolds
Exceptionally compact and reliable thanks to the robust, easy-to-handle housing with IP 54 protection class
Easy installation at any service port thanks to the integrated 45° angle

Use the testo 552i vacuum probe with Bluetooth to measure vacuum wirelessly with speed, ease and precision via just one service port – with no loss of refrigerant. The testo Smart App supports you with numerous intelligent features – for example, you can see the vacuum by simply glancing at the graphic illustration in the app or on the manifold’s display. Thanks to its robust, convenient housing and proven measuring technology, the vacuum probe is compact and reliable when carrying out your vacuum measurements on refrigeration and air conditioning systems and heat pumps.

Applications: Refrigeration systems, air conditioning systems, heat pumps
- Evacuation: Graphic progression display of the measurement with an indication of the start and differential value

Technical Data: testo 552i - App-controlled wireless vacuum probe
General technical data:
Weight: 142 g
Dimensions: 150 x 32 x 31 mm (LxWxH)
Operating temperature: -10 to +50 °C
Protection class: IP54
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
Auto-off: 10 min (when not connected via Bluetooth)
Battery type: 3 AAA micro batteries
Battery life: 39 h
Connection: 7/16“ UNF
Interface: Bluetooth® 4.2
Storage temperature: -20 to +50 °C
Absolute Pressure:
Measuring range: 0 to 26,66 mbar / 0 to 20000 micron
Accuracy: ±10 micron + 10 % of mv (100 to 1000 micron)
Resolution: 1 micron (0 to 1000 micron) / 10 micron (1000 to 2000 micron) / 100 micron (2000 to 5000 micron)
Overload: absolute: 6,0 bar / 87 psi (relative: 5,0 bar / 72 psi)

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)

The kit for wireless measurements in the field of commissioning, servicing and maintenance of refrigeration and air conditioning systems and heat pumps: You will get the testo 550s smart digital manifold with Bluetooth and 2-way valve block, two testo 115i wireless clamp thermometers (Bluetooth, NTC) and a robust transport case. Additional Bluetooth probes, e.g. for wireless, hose-free vacuum measurements with the testo 552i, are available separately.

- All results at a glance thanks to the large graphic display
- Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
- Easy, wireless, flexible measurements and documentation: Temperature and vacuum measurements via automatic Bluetooth® connection, testo Smart App for documentation and lots more

Applications: Refrigeration systems, air conditioning systems, heat pumps
- Determination of high and low pressure, automatic determination of condensation and evaporation temperature and calculation of superheating/subcooling. All results can be read simultaneously on one screen
- Tightness test: Recording and analysis of the pressure curve
- Automatic calculation of the target superheat (in conjunction with the appropriate measuring instrument, e.g. Testo Smart Probe)
- Measure vacuum: Graphic progression display of the measurement with indication of the start and differential value
- Evacuation: Graphic progression display of the measurement with indication of the start and differential value (in conjunction with the appropriate Testo Smart Probe, e.g. testo 552i vacuum probe)

Technical Data: testo 550s - Smart digital manifold with Bluetooth and 2-way valve block
Temperature:
Measuring range: -50 to +150 °C
Accuracy: ±0,5 °C
Resolution: 0,1 °C
Probe connection: 2 x Plug-in (NTC)
Pressure measurement:
Measuring range: -1 to 60 bar
Accuracy: ±0,5 % fs
Resolution: 0,01 bar
Probe connection: 3 x 7/16" – UNF
Overload rel. (high pressure): 65 bar
General technical data:
Weight: 826 g
Dimensions: 210 x 121 x 60 mm (LxWxH)
Operating temperature: -20 to +50 °C
Protection class: IP54
Product colour: Black
Auto-off: 10 min (when not connected via Bluetooth)
Battery type: 4 x type AA batteries
Battery life: 250 h with no illumination, no Bluetooth®h; 100 h with illumination and Bluetooth®
Radio range: 150 m
Refrigerants in instrument: R407H; R23; R290; R1234yf; R442A; R134a; R123; R452B; R438A; R421A; R453a; R401B; R1233zd; R410A; R407A; R407C; R452A; R401A; R422C; R427A; R422B; R424A; R125; R414B; R404A; R408A; R448A; R422D; R12; R114; R421B; R449A; R409A; R420A; R444B; R32; R454A; R124; R402A; R450A; R407F; R416A; R13; R437A; R1234ze; R454B; R402B; R22; R434A; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂)
System requirements: requires iOS 11.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.0
Refrigerants update via App: R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; R411A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
Storage temperature: -20 to +60 °C

Technical Data: testo 115i - Clamp thermometer operated via smartphone
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

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

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

The testo 815 sound level meter can be used for control measurements in the air conditioning and heating area, on combustion systems or at workplaces. It can also enable quick and precise assessment of machinery and discotheque noise.

Frequency evaluation according to characteristic curves A and C
Easy to adjust (adjustment screwdriver included in the scope of delivery)
Min./max. memory
Integrated tripod knuckle screw (1/4 inch)

Determine the noise level quickly, easily and reliably in your day-to-day work: with the testo 815 sound level meter.

Applications of the testo 815 sound level meter
- Heating technology: measurement of the volume of burners
- Industry and trade: measurement of machinery noise
- Event technology or public authorities: noise levels at events
- Building services: simple measurements by the caretaker when there are complaints

General technical data:
Weight: 195 g
Dimensions: 255 x 55 x 43 mm
Operating temperature: 0 to +40 °C
Product-/housing material: ABS
Frequency weighting: A/C
Section measuring range: 30 - 80 dB; 50 - 100 dB; 80 - 130 dB
Time weighting: FAST 125 ms setting / SLOW 1 s setting
Pressure dependency: -0,002 dB/hPa
Battery type: 9V block battery, 6F22
Battery life: 70 h
Storage temperature: -10 to +60 °C
Sound Pressure:
Measuring range: +32 to +130 dB
Frequence range: 31,5 Hz to 8 kHz
Accuracy: ±1,0 dB
Resolution: 0,1 dB
Measuring rate: 5 s

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

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

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)

Highest image quality: IR resolution of 320 x 240 pixels, via integrated testo SuperResolution Technology 640 x 480 pixels
Precise measurement: thermal sensitivity of 0.06°C
Smart and wireless: use your mobile device with the free testo Thermography App and wirelessly transmit readings from the testo 770-3 clamp meter and the testo 605i humidity measuring instrument (both available separately)
Innovative functions, such as testo ScaleAssist and testo ɛ-Assist for comparable, error-free thermal images

The testo 872 thermal imager gives you the best possible support for your work in professional industrial and building thermography. Take thermal images quickly, reliably and smartly with the highest image quality, very good thermal sensitivity and innovative 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:
The testo 872 thermal imager is ideally suited for professional industrial and building thermography at the same time it ensures your work is both quick and easy. It is versatile to use, for example in industrial and mechanical maintenance or for detecting structural defects. 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 thermal image scale.

The testo 872 thermal imager– smart and networked
The testo 872 thermal imager guarantees wireless communication with mobile terminal devices via WLAN. 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 872 delivers even more informative thermal images in combination with the compatible 770-3 clamp meter and testo 605i thermohygrometer. Both are available separately – simply order them straight away along with your testo 872. The thermal imager wirelessly integrates the measurement results of these measuring instruments 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 humidity measuring instrument 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 872 thermal imager
Detect locations at risk of developing mould, pinpoint thermal bridges, discover structural defects or identify overheated connections. The testo 872 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 872 thermal imager
The testo 872 thermal imager is characterized by its easy handling and its outstanding image quality. Its technical features are impressive:

Highest image quality thanks to high resolution: 76,800 temperature measuring points for precise thermography. Infrared resolution of 320 x 240 pixels – extendible to 640 x 480 pixels via integrated SuperResolution Technology
Detecting temperature differences from as little as 0.06°C
testo Thermography App to use mobile terminal devices as a second display and for remote control or to write and send reports, along with saving them online
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 and laser marker generate 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: 320 x 240 pixel
Image refresh rate: 9 Hz
SuperResolution (IFOV): 1.3 mrad
SuperResolution (Pixel): 640 x 480 pixels
Geometric resolution (IFOV): 2.3 mrad
Minimum focus distance: <0.5 m
Field of view: 42° x 30°
Thermal sensitivity: 60 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: 10 (iron, rainbow, rainbow HC, cold-hot, blue-red, grey, inverted grey, sepia, Testo, iron HT)
Display type: 8.9 cm (3.5") TFT, QVGA (320 x 240 pixels)
Digital zoom: 2x; 4x

Measurement:
Reflected temperature: manual
testo ε-Assist: Included
Measuring range: -30 to +100°C; 0 to +650°C
Accuracy: ±2 °C, ±2 % of m.v.
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, area measurement (min-max on area)
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
Laser: Laser marker
Standard lens: 42° x 30°
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: Measurement value transfer from thermohygrometer testo 605i, clamp meter testo 770-3 (optional); Wireless permit in EU, EFTA, USA, Canada, Australia, Turkey

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

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: RED: 2014/53/EU; EMC: 2014/30/EU

Measurement data monitoring via testo Smart Probes App
Measurement data dispatch via testo Smart Probes App
Extremely precise, extremely rugged, extremely practical – with visual alarm and backlit display
Measures pressure and calculates the evaporation temperature of H2O automatically

Extremely precise, rugged and practical: the testo 552 digital vacuum gauge. Ideal for evacuating refrigerant systems or heat pumps.

Product Description:
The testo 552 is a high-precision digital vacuum gauge designed to provide you with absolutely reliable readings. It has all the measuring functions you need for evacuating refrigerant systems and heat pumps and is built to last and tough enough to take the odd knock.
Via a Bluetooth interface, the testo 552 connects with the testo Smart Probes App on your smartphone or tablet. This allows you to monitor the absolute pressure reached during the evacuation conveniently and wirelessly. In addition to this, the measurement results can be quickly documented in the App and sent by e-mail.

The testo 552 digital vacuum gauge – areas of application
Evacuating is one of the most important steps when it comes to installing or restarting refrigerant or air conditioning systems: foreign gases, moisture and oils have to be removed properly. That’s when the absolute pressure of a system needs to be measured.
And that’s exactly what the testo 552 digital vacuum gauge is designed to do: the meter provides you with highly accurate information regarding the dehumidification status of the system and is able to measure even the smallest of absolute pressures absolutely reliably. This means that you are always able to observe manufacturer specifications. A visual alarm warns immediately when a threshold has been exceeded.
And because the digital vacuum gauge is IP42 rated (water resistant and dirt proof), it is virtually impervious to moisture and dirt.

Technical data:
Absolute Pressure:
Measuring range: 0 to 26.66 mbar /
0 to 20000 micron
Accuracy: ±(10 micron + 10 % of mv) (100 to 1000 micron)
Resolution: 1 micron (0 to 1000 micron) /
10 micron (1000 to 2000 micron) /
100 micron (2000 to 5000 micron) /
Overload: absolute: 6.0 bar / 87 psi
(relative: 5.0 bar / 72 psi)

General technical data:
Dimensions: 160 x 110 x 50 mm
Operating temperature: -10 to +50 °C
Protection class: IP42
System requirements: requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
Battery type: 2 AA
Battery life: 50 hrs (without Bluetooth/backlighting)
Connection: 2 x 7/16“ UNF
Interface: Bluetooth® 4.0 wireless technology
Parameter: mbar; micron; mmHg; Torr; inHg; inH20; hPa; Pa
Measuring rate: 0.5 s
Storage temperature: -20 to +50 °C
Weight: 500 g