Overview
The Belimo 22DTH-51MQ combines an active voltage humidity sensor with a passive NTC 20k temperature thermistor in a durable duct-mount housing for accurate environmental monitoring.
Features
- Active 0…5 V / 0…10 V output signal for humidity
- Passive NTC20k thermistor for direct temperature measurement
- Configurable for relative humidity, absolute humidity, dew point, or enthalpy
- High-grade NEMA 4X / IP65 rated enclosure
Specifications
- Measured Values: Humidity (active) and Temperature (passive)
- Passive Element: NTC20k
- Probe Length: 5.5 inches [140 mm]
- Output Signal Active: 0…5 V, 0…10 V
- Enclosure Rating: NEMA 4X / IP65
Applications
- HVAC system air duct monitoring compatible with NTC20k inputs
- Commercial building air handler climate control


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