Overview
The Belimo 22RTM-5900L-1 is a multi-variable room sensor that measures CO₂, relative humidity, and temperature. Designed with a clean logo-free cover, it offers high-performance indoor air quality tracking for architectural spaces.
Features
- 3-in-1 indoor air quality sensing: CO₂, relative humidity, and temperature
- Discrete logo-free front cover for clean interior wall installation
- Self-calibrating dual-channel NDIR CO₂ sensor technology
- Adaptive temperature compensation for superior measurement accuracy
- Easy wall mounting and simple controller terminal wiring
Specifications
- Measured Values: CO₂ (0…2000 ppm), Relative Humidity, Temperature
- Output Signal: Active
- Logo: No logo (clean front cover)
- Supply Voltage: 24 V AC/DC
- Environment: Indoor commercial spaces
Applications
- Demand-controlled ventilation (DCV) in commercial zones
- Complete indoor air quality (IAQ) monitoring in offices and classrooms
- Zone environmental monitoring for building automation systems


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