HW group: HTemp CO2 485-RTU RK-CHM-D

CO₂, temperature and humidity sensor with touch display and Modbus RTU

The HTemp CO2 485-RTU RK-CHM-D from REGMET measures CO₂, temperature and relative humidity indoors. A backlit 2.3-inch TFT touch display shows readings and provides local controls. It mounts directly on a wall or on an installation box with 60 mm fixing centres.

The unit communicates with a supervisory system as a Modbus RTU slave over RS485. Its CO₂ range is 400–10000 ppm. It requires 12–30 V DC and has an IP30 enclosure. CO₂ self-calibration requires regular thorough ventilation. Allow at least two hours for readings to stabilise after installation. The standard RK-CHM-D version does not have a galvanically isolated RS485 interface.

• CO₂, Temperatur und Luftfeuchte
• 2,3-Zoll-TFT-Touchdisplay
• RS485 mit Modbus RTU
• Wandmontage, Versorgung 12–30 V DC

• RK-CHM-D mit Touchdisplay

• RK-CHM-D mit Touchdisplay