Temperature, Humidity, and CO2 Combination Sensor


The Temperature, Humidity, and CO2 Combination Sensor uses a highly accurate and reliable dual-channel non-dispersive infrared (NDIR) sensor to monitor CO2, a precision thermistor to monitor temperature, and a thermoset polymer-based capacitive sensor to measure humidity levels.


When any of the monitored conditions fall outside of the programmed high or low limits, the user will receive an alarm which displays or reads the current value. All sensors are encapsulated in filtered sensor pods that are field replaceable.


Features include an LCD for configuration and visual indication, various output signal types, and optional relays for alarm indication. An IP65 rated enclosure that can be either wall mounted on suspend from the ceiling is provided to protect against moisture penetration. A 24V DC power supply is required to power the sensor.


  • A highly accurate and reliable dual-channel, non-dispersive infrared (NDIR) sensor to monitor CO2
  • A precision thermistor to monitor temperature
  • A thermoset polymer based capacitance sensor to measure humidity levels
  • LCD for configuration and monitoring
  • Field replaceable sensors
  • Choose between Modbus or 4-20mA compatible sensor
  • Multiple Modbus sensors can be ran in parallel
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