Overview
The Belimo 22UTH-550X is an active outdoor temperature and humidity sensor with Modbus RTU communication and analog 0…5 V / 0…10 V outputs. It features a radiated heat shield to deliver accurate readings even in direct sunlight.
Features
- Integrated Modbus RTU protocol for digital network integration
- Dual active analog voltage outputs (0…5 V or 0…10 V)
- Radiated heat shield protection against solar radiation errors
- Field-configurable via NFC using the Belimo Assistant App
Specifications
- Communication Protocol: Modbus RTU
- Analog Output Signal: 0…5 V, 0…10 V
- Enclosure Rating: NEMA 4X / IP65
- Measuring Range Humidity: 0…100% RH non-condensing
- Supply Voltage: 24 V AC/DC
Applications
- Modbus network outdoor temperature and humidity tracking
- Centralized BMS outdoor condition monitoring
- Advanced enthalpy and dew point control in commercial HVAC



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