Overview
The Belimo 22DT-52H is an active duct and immersion temperature sensor featuring a 2-inch stainless steel probe. It delivers linear analog voltage outputs for accurate temperature monitoring in air ducts or hydronic pipe lines when paired with a thermowell.
Features
- 2-inch stainless steel probe suitable for compact duct or pipe spaces
- 8 jumper-selectable measuring ranges for customized temperature spans
- Field-selectable 0…5 V or 0…10 V voltage outputs
- IP65 / NEMA 4X rated enclosure for environmental resistance
- Optional thermowell pairing for liquid immersion applications
Specifications
- Probe Length: 2 inches [50 mm]
- Probe Diameter: 0.24 inches [6 mm]
- Output Signal: 0…5 V, 0…10 V (selectable)
- Supply Voltage: 24 V AC/DC
- Enclosure Rating: NEMA 4X / IP65
- Measured Value: Temperature
Applications
- Air temperature sensing in shallow ductwork
- Liquid temperature monitoring in pipes using thermowells
- HVAC climate control and automated temperature regulation



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