Overview
The Belimo 01DT-5BN is a passive duct/immersion temperature sensor featuring a Pt1000 sensing element and a 6-inch (150 mm) probe. It is engineered for accurate temperature sensing in medium-sized HVAC air ducts and hydronic piping systems.
Features
- Reliable Pt1000 passive sensor for accurate temperature feedback
- 6-inch (150 mm) stainless steel probe for medium-depth duct insertion
- NEMA 4X / IP65 enclosure for dust and moisture resistance
- Tool-free spring terminal connections for rapid wiring
- Designed for both duct air and thermowell fluid sensing
Specifications
- Sensor Element: Pt1000
- Probe Length: 6″ [150 mm]
- Probe Diameter: 0.24″ [6 mm]
- Output Signal: Passive resistance
- Enclosure Rating: IP65, NEMA 4X
- Measuring Range: -40°F to 302°F [-40°C to 150°C]
Applications
- Air temperature detection in HVAC supply, return, and discharge ducts
- Immersion fluid temperature measurement in chilled and hot water lines
- Environmental sensing for central building automation systems


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