Overview
The Belimo 22DTH-53M is an active duct humidity and temperature sensor delivering dual 4…20 mA current output signals. It is engineered for reliable long-distance signal transmission in commercial and industrial HVAC systems.
Features
- Dual 4…20 mA current outputs for humidity and temperature
- High accuracy capacitive humidity sensor element
- Field-selectable relative humidity, enthalpy, or dew point measurement
- Weatherproof NEMA 4X / IP65 rated enclosure
Specifications
- Measured Values: Humidity and Temperature
- Probe Length: 5.5 inches [140 mm]
- Probe Diameter: 0.77 inches [19.5 mm]
- Output Signal Active: 4…20 mA
- Supply Voltage: 24 V DC
- Enclosure Rating: NEMA 4X / IP65
Applications
- Long-distance loop-powered environmental sensing in large HVAC systems
- Commercial and industrial duct air monitoring
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