Climate measuring instrument 440

Article no.: 474141 440
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  • Interface: Bluetooth interface; USB interface
  • IP Index of Protection: IP 54

Product details

Technical Data

Interface Bluetooth interface; USB interface
Power supply Battery-powered
Number of batteries contained 3
Article no of the battery / rechargeable battery fitted 081561 LR6
Device memory 7500 measurement reports
Weight 250 g
Length 154 mm
Width 65 mm
Height 32 mm
IP Index of Protection IP 54
Type of product Climate measuring instrument

Identification numbers & Classifications

Article number 474141 440
EAN / GTIN 4029547019289
Manufacturer number 0560 4401



testo 440 multi-function measuring device for measurement of temperature, moisture, pressure, air flow, illumination intensity, CO, and CO2.
  • Intuitive and clearly structured measurement menus with high user comfort.
  • Comprehensive selection of climatic probes for a wide range of applications.
  • Probe handles with cable or Bluetooth connections. Can be used universally for all probes.
  • Clear parallel display of 3 values.
  • Internal memory for up to 7500 measurement reports


IP54: Protected against splashed water from all directions and protected against penetration of dust into the inside (protected against dust), also completely protected against touching.

Supplied with:

3 batteries No. 081561 size LR6, USB cable and calibration certificate.

Optional extras:

Sensors No. 474144; 474146; 474148; 474152; 474156; 474157 and case No. 474161.


Testo 440 dp with differential pressure sensor for flow measurements in air containing particles (pitot tube measurements). Other probes (with cable or Bluetooth connections) and sets available on request for any application.

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