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Modbus sensors

Order numbers

Logo Hugo Müller
GS 40.00 mod
CO2- / air quality sensor (Modbus)

Air quality sensors GS 40.00 mod


  • Detection of air quality
    (CO2-concentration, rel. humidity, temperature)
  • CO2-sensor (Measuring range 390...5.000 ppm)
  • CO2-value is atmospheric pressure compensated
  • Sensors for CO2-, temperature, humidity and atmospheric pressure measurement
  • Temperature sensor (Measuring range 0...+50 °C)
  • Humidity sensor (Measuring range 0...100% rel. humidity)
  • Modbus-Modes (ASCII / RTU) configurable
  • Easy installation and mounting
  • Modern and planar design

Information about CO2 and Covid-19

  • Every person is emitting CO2 and aerosols e.g. during breathing. Today aerosols are claimed to be one of the transmission ways of SARS-CoV-2. CO2-concentrations can be measured and the correlation between the CO2 and the aerosol concentration can be used for analytical investigations, which use the measured CO2-concentration to calculate a likely aerosol concentration. (TU Berlin)
  • A longer stay in small, bad or not vantilated room can increase the probability of a Covid-19 spread by aerosols even on bigger distances over 2 m. (RKI)
  • The use of our CO2-sensors and the resulting room ventilation helps minimizing the risk of infection e.g. in schools or offices, gyms, restaurants or other premises where several people stay together.

Your direct contact to us

Hugo Müller GmbH & Co KG

Tel.: +49 (0) 7720 80 836