Kit for evaluating the indoor air quality. The testo 440 air velocity and IAQ measuring instrument and the CO2 probe with Bluetooth including temperature and humidity sensor are all safely stowed away in the case. So you can get down to work straight away! Use this practical kit to measure CO2 concentration, humidity and air temperature and to evaluate the indoor air quality in offices, production areas or storage facilities. The multifunction measuring instrument and the CO2 probe feature an intelligent calibration concept, ease of use and maximum convenience for your measuring tasks.

• Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO2 concentration, humidity and air temperature in indoor areas
• Precise: absolute pressure compensation, calculation of wet bulb temperature, dew point and absolute humidity
• Convenient: wireless probe, internal data storage and USB port for data export
• As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes