Overview
The Belimo 22UTH-510M is an outdoor combination sensor providing active humidity measurement via 0…5 V / 0…10 V output and temperature sensing via a passive NTC10k3 (Precon) thermistor. It ensures dependable outdoor condition tracking for commercial HVAC controls.
Features
- Dual active humidity output signals (0…5 V or 0…10 V)
- Integrated passive NTC10k3 (Precon) element for temperature sensing
- Weatherproof NEMA 4X / IP65 enclosure for outdoor placement
- Selectable humidity modes including relative, absolute, dew point, and enthalpy
Specifications
- Output Signal Active Humidity: 0…5 V, 0…10 V
- Passive Temperature Element: NTC10k3 (Precon)
- Measuring Range Humidity: 0…100% RH non-condensing
- Enclosure Rating: NEMA 4X / IP65
- Supply Voltage: 24 V AC/DC
Applications
- Outdoor air measurement for commercial ventilation systems
- Rooftop unit and air handler control
- Economizer and enthalpy control in building automation


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