Climate measuring instrument testo 440 with CO₂ sensor

For reliable assessment of indoor air quality. Complete set for long-term measurement and parallel determination of CO₂ concentration, humidity and indoor air temperature. Consisting of the climate measuring device testo 440, a multifunctional, wireless handle and CO₂ sensor. With absolute pressure compensation, calculation of wet bulb temperature, dew point and absolute humidity. Fully configured, ready for use.

-Wireless handle with Bluetooth^® technology
-Easy, intuitive operation
-Easy storage of measured values by means of a button on the handle
-Large, illuminated graphic LCD with parallel display of 3 measured values
-Measuring instrument with magnetic fixation on metal surfaces
-Internal data storage and USB interface
-Handle can be extended with other probes to measure further parameters
-Automatic probe recognition
-Dimensions (instrument, W x D x H): 65 x 32 x 154 mm
-Dimensions (handle, W x D x H): 50 x 40 x 295 mm
-Power supply (instrument): 3 x AA 1.5 V
-Power supply (handle): 4 x AA 1.5 V


Scope of supply: Multifunctional climate measuring instrument testo 440, USB cable, handle with CO₂ probe incl. temperature and humidity sensor, table stand, batteries and calibration protocols for measuring device and sensors, transport case