Overview
The Belimo 22DT-54H is an active loop-powered temperature sensor featuring a 2-inch stainless steel probe and a 4-20 mA output signal. It delivers accurate temperature readings for short insertion depth applications in air ducts or piping systems.
Features
- Active 4…20 mA current loop output signal for robust signal transmission
- 2-inch stainless steel probe ideal for compact mounting locations
- 8 onboard jumper-selectable temperature ranges
- IP65 / NEMA 4X rated enclosure for environmental protection
- Includes mounting clip, screws, and adhesive foil
Specifications
- Probe Length: 2 inches [50 mm]
- Probe Diameter: 0.24 inches [6 mm]
- Output Signal: 4…20 mA
- Supply Voltage: DC 24 V
- Enclosure Rating: NEMA 4X / IP65
- Measured Value: Temperature
Applications
- Air temperature measurement in small-diameter ducts
- Pipe surface/immersion temperature tracking with thermowells
- Long-distance temperature signal transmission to BMS controllers


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