Overview
The Belimo 22MT-524 is an active duct averaging temperature sensor featuring a 10 ft [3 m] continuous flexible probe. It provides selectable 0-5 V or 0-10 V outputs to eliminate temperature stratification errors in large air ducts.
Features
- 10 ft [3 m] continuous sensing element spanning the entire probe length
- 8 field-selectable temperature measuring ranges
- Jumper-selectable 0…5 V or 0…10 V active voltage output
- Eliminates temperature stratification in air handling unit ducts
- NEMA 4X / IP65 enclosure with mounting brackets included
Specifications
- Probe Length: 10 ft [3 m]
- Sensing Element: Continuous Pt1000 1/3 DIN
- Output Signal: 0…5 V, 0…10 V (selectable)
- Supply Voltage: 24 V AC/DC
- Enclosure Rating: NEMA 4X / IP65
Applications
- Averaging temperature measurement across large supply and return air ducts
- Temperature control in air handling unit (AHU) mixing boxes
- HVAC air stratification management and freeze-stat monitoring support



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