Use this practical Indoor Comfort ComboKit to handle all relevant measurements in order to evaluate the indoor air quality in indoor areas and to determine the draught risk and degree of turbulence in workplaces.

The set includes: testo 440 air velocity and IAQ measuring instrument, 3 x AA batteries, USB cable, CO2 probe* with Bluetooth, including temperature and humidity sensor (consisting of CO2 probe head and Bluetooth handle); 4 x AA batteries, table stand and calibration protocol (0632 1551), Turbulence probe with fixed cable (cable length 1.4 m), combi-case for testo 440 and multiple probes.

Measuring range for the turbulence probe including air velocity and temperature sensor: 0 to +5 m/s ; 0 to +50 °C

Measuring range for the CO2 probe : 0 to 10,000 ppm, -10 to +50 °C, 5 to 95% RH