testo-440-humidity-kit-with-bluetooth
Humidity measurement
testo 440 - Air velocity and IAQ measuring instrument
testo 440 - Air velocity and IAQ measuring instrument
testo 440 - Air velocity and IAQ measuring instrument

Testo 440 Humidity Kit with Bluetooth®

  • Intuitive: clearly structured measurement menu for long-term measurements as well as the parallel determination of humidity and air temperature in storage, refrigerated and work rooms and also in ventilation ducts
  • Precise: calculation of dew point, wet bulb temperature and absolute humidity
  • Convenient: wireless probe, 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
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Details

Product Description

Kit for carrying out measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps. Keep the testo 440 air velocity and IAQ measuring instrument and the humidity/temperature probe with Bluetooth® safely stowed away in the case. So you can get down to work straight away!

Details on kit components

Testo 440 – Air velocity and IAQ measuring instrument

 

Delivery Scope

  • testo 440 air velocity and IAQ measuring instrument, 3 x AA batteries, USB cable and calibration protocol (0560 4401)
  • Humidity/temperature probe (Ø 12 mm) with Bluetooth®* (consisting of humidity/temperature probe head and Bluetooth® handle); 4 x AA batteries and calibration protocol (0636 9731)
  • Basic case for testo 440 and 1 probe

*Please do not use the probe in condensing atmospheres. For continuous application in high-humidity ranges> 80% RH at ≤ 30 °C for > 12 h> 60% RH at > 30 °C for > 12 hplease contact Testo Service or contact us via the Testo website.

Technical Data

testo 440 – Air velocity and IAQ measuring instrument

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

Weight 250 g
Dimensions 154 x 65 x 32 mm
Operating temperature -20 to +50 °C
Product colour black/orange
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)
Interface Bluetooth®; USB
Storage temperature -20 to +50 °C

 

Humidity/temperature probe (digital) – with Bluetooth®

Temperature – NTC

Measuring range -20 to +70 °C
Accuracy ±0.5 °C
Resolution 0.1 °C

Humidity – Capacitive

Measuring range 0 to 100 %RH
Accuracy ±2 %RH (5 to 90 %RH)

±0.03 %RH/K (k=1)
Resolution 0.1 %RH

General technical data

Storage temperature -20 to +60 °C
Weight 165 g
Dimensions 290 x 50 x 40 mm
Operating temperature -5 to +50 °C
Length probe shaft 140 mm
Diameter probe shaft 12 mm
Product colour black/orange
Battery type 4 x type AA batteries
Battery life 140 h
Data transfer Bluetooth®

 

 

Downloads

Product Brochures

Data sheet testo 440 (application/pdf, 3.365 KB)

Data sheet testo 440 Humidity Kit with Bluetooth® (application/pdf, 405 KB)

Manuals

Instruction manual testo 440 (application/pdf, 1.989 KB)

Instruction manual testo Air velocity and IAQ probes with Bluetooth® handle (application/pdf, 877 KB)

Product Enquiry

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