Overview
The Belimo 22UTH-51 is an active outdoor combination humidity and temperature sensor equipped with an integrated weather shield. Designed for harsh outdoor environments, it provides dual 0-5 V / 0-10 V analog outputs for BMS monitoring.
Features
- Integrated solar/weather shield to protect sensors from direct rain and solar radiation
- Dual active analog outputs for simultaneous relative humidity and temperature sensing
- Field-selectable voltage outputs (0…5 V or 0…10 V)
- High-precision polymer capacitive humidity sensor (±2% RH accuracy)
- Robust NEMA 4X / IP65 enclosure engineered for long-term outdoor service
Specifications
- Measured Values: Relative Humidity and Outdoor Temperature
- Output Signals: 0…5 V, 0…10 V (selectable)
- Weather Shield: Integrated
- Humidity Accuracy: ±2% between 10…90% RH
- Enclosure Rating: NEMA 4X / IP65
Applications
- Outdoor air enthalpy and dew point calculations for HVAC economizer control
- Ambient weather monitoring for commercial building management systems
- Outside air humidity and temperature tracking in agricultural and industrial sites



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