Overview
The Belimo 22DT-54T is an active duct and immersion temperature sensor with an extra-long 18-inch stainless steel probe and a 4-20 mA current output. It provides accurate temperature data across deep duct profiles and large piping systems.
Features
- 18-inch stainless steel probe for maximum duct penetration
- 4…20 mA current output ideal for long wire runs
- 8 jumper-selectable temperature measurement ranges
- Rugged IP65 / NEMA 4X rated enclosure
- Immersion capable when installed with compatible thermowells
Specifications
- Probe Length: 18 inches [450 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
- Temperature monitoring in high-capacity air handling units
- Hydronic pipe temperature control with extended thermowells
- Industrial and commercial HVAC automation and monitoring



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