Overview
The Belimo 22DT-52R is an active duct and immersion temperature sensor featuring a 12-inch stainless steel probe. It offers versatile voltage outputs and multi-range selection for extended reach temperature monitoring in large HVAC ducts and pipes.
Features
- Extended 12-inch stainless steel probe for large duct diameters
- 8 jumper-selectable measuring ranges for flexible scaling
- 0…5 V or 0…10 V selectable analog output
- IP65 / NEMA 4X enclosure designed for demanding operating conditions
- Includes mounting accessories and conduit adapter
Specifications
- Probe Length: 12 inches [300 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
- Temperature monitoring in large supply, return, and exhaust air ducts
- Hydronic pipe line temperature sensing with thermowell pockets
- High-precision temperature tracking in commercial HVAC systems


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