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

Scope of delivery: 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
Specifications
CO2 range:
CO2 resolution: 0 ¼ 10000 ppm
1 ppm
CO2 accuracy: ±(50 ppm + 3 % of average)
(0 ... 5000 ppm)
±(100 ppm + 5 % of average)
Humidity range:
Humidity resolution: 5 ... 95 % r.H.
0,1 % r.H.
Humidity accuracy: ±3 % r.H. (10 ... 35 % r.H.)
±2 % r.H. (35 ... 65 % r.H.)
±3 % r.H. (65 ... 90 % r.H.)
Temperature range:
Temperature resolution: 0 ... 50 °C
±0.5 °C
Temperature accuracy: 0.1 °C
Dimensions (instrument, W x D x H): 65 x 32 x 154 mm
Weight (instrument): 250 g
Power supply (instrument): 3 x AA 1,5 V
Power supply (handle): 4 x AA 1,5 V

Type Indoor air quality kit testo 440 with CO2 probe