Overview
The Belimo 01DT-5LR is a passive duct/immersion temperature sensor featuring an NTC10k (10k2) element and a 12-inch (300 mm) probe length. It offers deep penetration into large air ducts or large fluid lines for accurate temperature monitoring.
Features
- 12-inch (300 mm) probe for deep duct penetration
- NTC10k (10k2) passive thermistor sensing element
- Protective IP65 / NEMA 4X housing for demanding indoor/outdoor environments
- Fast terminal block connection for field wire termination
- Compatible with mounting flanges and thermowells
Specifications
- Sensor Element: NTC10k (Type 2 / 10k2)
- Probe Length: 12″ [300 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 monitoring in central air handler ducts
- Water temperature sensing in large hydronic piping systems
- Building automation systems requiring 10k Type 2 thermistor feedback


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