Overview
The Belimo 22RTH-5900A is a wall-mounted room temperature and humidity sensor designed for high-accuracy climate monitoring and BAS integration in commercial buildings.
Features
- Dual measurement of ambient temperature and relative humidity
- Multi-output options: selectable 0-5V, 0-10V, 2-10V analog signals, and MP-Bus communication
- Modern enclosure design for discreet wall mounting
- Terminal block connection for straightforward field wiring
Specifications
- Supply Voltage: AC/DC 24 V
- Humidity Range: 0 to 100% RH
- Temperature Range: 32°F to 122°F [0°C to 50°C]
- Output Signals: 0-5V, 0-10V, 2-10V, MP-Bus
- Connection: Screw terminals
Applications
- Room environmental monitoring in commercial office spaces and schools
- HVAC ventilation and humidity control loops
- Integration into MP-Bus and BMS building automation systems



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