testo 440 Multi-Function Hot Wire Flow Rate Instrument Kit (Low Flow)

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

General

Brand:	Testo
Categories:	DIY > Tools & Machinery > Measuring Tools > Scanners & Testers
LSN:	XG3-KHY-8PB-6
Barcode:	4029547019364
Model Number:	0563 4400

Warranty

Warranty:

24 Month Limited Warranty

Package Contents

Package Contents:

TESTO 440 AIR VELOCITY AND IAQ MEASURING INSTRUMENT • 3 X AA BATTERIES • USB CABLE • CALIBRATION PROTOCOL • HOT WIRE PROBE (Ø 9 MM) WITH FIXED CABLE (LENGTH 1.7 M) INCLUDING TEMPERATURE SENSOR, WITH TELESCOPE (CAN BE EXTENDED TO 0.85 M) • CALIBRATION PROTOCOL • BASIC CASE FOR TESTO 440 AND 1 PROBE

Physical Specification

Item Depth (mm):	456
Item Height (mm):	950
Item Width (mm):	256
Weight (kg):	1.5

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