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Testo 440 Multi Function Instrument

Measuring indoor air quality and comfort level

Measuring the indoor air quality and comfort level in workplaces makes it possible to precisely adjust the indoor climate and reduces the risk of staff shortages due to illness. These special testo 440 kits measure all the relevant parameters: CO2 concentration in the air, degree of turbulence, temperature, humidity and illuminance.

  • Intuitive measurement menus
    Clearly structured menus for degree of turbulence and long-term measurement (with freely selectable measuring intervals) are programmed into the measuring instrument.
  • Wireless convenience
    All probes for comfort level and indoor air quality are also available in the wireless Bluetooth variant.
    This means less stress for you and saves space in the measuring case.
  • A comprehensive selection of probes
    For air velocity, CO2, degree of turbulence, humidity and temperature, lux and CO. 
  • Intelligent calibration concept
    Only the probe heads need to be calibrated. You can carry on working with the measuring instrument, handle and another probe.

Measure comfort level using the testo 440 air velocity & IAQ measuring instrument
Measure CO<sub>2</sub> using the testo 440 air velocity & IAQ measuring instrument
Measure humidity using the testo 440 air velocity & IAQ measuring instrument