Overview
The Belimo 01MT-5B4 is a passive duct averaging temperature sensor designed to accurately measure air temperature across ductwork cross-sections. Equipped with a continuous Pt1000 sensing element and a 10 ft probe, it eliminates measurement errors caused by temperature stratification inside ducts.
Features
- Continuous Pt1000 sensing element along the entire probe length
- Flexible 10 ft bendable probe for easy serpentine installation
- Weatherproof NEMA 4X / IP65 enclosure with UV protection
- Direct resistance output requiring no external power supply
- Includes mounting kit with brackets and 1/2″ NPT conduit adapter
Specifications
- Sensor Type: Passive Temperature Sensor
- Output Signal: Pt1000
- Probe Length: 10 ft [3 m]
- Enclosure Rating: NEMA 4X, IP65
- Electrical Connection: Terminals
Applications
- Duct air temperature averaging in commercial HVAC systems
- Eliminating air stratification issues in supply and return ducts
- Temperature monitoring across heating and cooling coil faces



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