Article no.: 474141 440

Climate measuring instrument 440

Brand: testo
Calibration Price on request
Interface USB interface
Interface Bluetooth interface
IP Index of Protection IP 54

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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:

Optional accessories: Probes 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.

Technical Data

Bluetooth interface; USB interface
Power supply
Number of batteries contained
Article no of the battery / rechargeable battery fitted
081561 LR6
Device memory
7500 measurement reports
250 g
154 mm
65 mm
32 mm
IP Index of Protection
IP 54
Price on request
Type of product
Multi-function measuring tool for environmental factors

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