CO₂ | Relative Humidity | RS485 Modbus
The Thermokon WRF04 CO₂ & Relative Humidity Sensor is designed for HVAC and building management systems (BMS) where accurate monitoring of indoor air quality is required.
Manufactured in Germany by Thermokon, the WRF04 provides reliable measurements of CO₂ concentration and relative humidity, allowing building control systems to optimise ventilation and maintain comfortable indoor environments.
With its RS485 Modbus interface, the sensor integrates easily with PLCs, BMS platforms and industrial monitoring systems.
Its compact wall-mounted design makes it ideal for offices, commercial buildings and automation environments.
• CO₂ and relative humidity monitoring
• RS485 Modbus communication interface
• High accuracy environmental sensing
• Designed for HVAC and BMS integration
• Compact wall-mounted housing
• Manufactured in Germany
✔ Building management systems (BMS)
✔ HVAC ventilation control
✔ Indoor air quality monitoring
✔ Commercial and office buildings
✔ Smart building installations
✔ Energy efficiency optimisation
Manufacturer: Thermokon
Model: WRF04
Sensor Type: CO₂ / Relative Humidity
Communication: RS485 Modbus
Mounting: Wall Mounted
Application: HVAC / Building Automation
This item is brand new and supplied in original manufacturer packaging.
Unused and ready for installation.
1 × Thermokon WRF04 CO₂ & Humidity Sensor
(7 available – listing price is per unit)
KC Components supplies industrial electrical and connectivity equipment, including:
• Energy meters
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• DIN rail power supplies
• Control panel components
• IoT connectivity hardware
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