CO2, Humidity and Temperature Transmitter Series XMW85
Smart and reliable indoor air monitoring with Modbus RTU
Vaisala XMW85 is a new configurable transmitter, a cost-effective solution for measuring indoor carbon dioxide, humidity, and temperature – designed for smart building and ventilation applications.
Smart ventilation systems rely on accurate real-time data to optimize airflow, reduce energy use, and ensure healthy indoor environments. Whether you’re managing air quality in office buildings, schools, healthcare facilities, or commercial spaces, the XMW85 provides dependable measurement performance with seamless Modbus RTU integration.
The product is available in four variants – with or without a display – and offers flexible configuration to match your specific system requirements. The XMW85 helps you stay in control of your indoor climate while supporting energy-efficient operations.
Accurate CO₂ monitoring made easy
Vaisala XMW85 delivers reliable CO₂ measurements with fast startup, long-term stability, and easy Modbus RTU integration.
Available as 3-in-1 with optional display.
The following models are available
- XMW85H: RH+T (no display)
- XMW85HD: RH+T (with display)
- XMW85HE: RH+T (with non-metric display)
- XMW85G: CO2+RH+T (no display)
- XMW85GD: CO2+RH+T (with display)
- XMW85GE: CO2+RH+T (with non-metric display)
Features:
- Reliable transmitters with Modbus RTU support over RS-485
- User exchangeable Vaisala’s GM10 CO2 module and INTERCAP® humidity sensors
- ±3.0 %RH accuracy
- Superior stability with the advanced proprietary CARBOCAP technology
- Improved accuracy due to low self-heating of microglow light source
- The internal reference in the CO2 sensor guarantees the best stability and operation even in buildings occupied 24/7
- Optimized for easy installation and low maintenance
Key benefits:
Accurate
measurements
Accurate measurement of CO₂, humidity, and temperature
Easy
integration
Easy integration via Modbus RTU and configurable variants to suit your project requirements
Optional
display
Optional display with metric/non-metric scale for flexible use.
Sustainable
efficiency
Supports energy efficiency, healthier indoor environments, and reduced operational risks
Smart
ventilation
Ideal for smart ventilation and indoor air quality control in public and commercial buildings
