Overview
The Belimo 01DT-5ET is an extra-long passive duct/immersion temperature sensor equipped with an 18-inch (450 mm) probe and a Ni1000 (JCI) element. It provides extended insertion depth for expansive duct networks and large fluid lines.
Features
- 18-inch (450 mm) probe length for broad duct section coverage
- Ni1000 (JCI) passive sensing element
- IP65 / NEMA 4X rated enclosure for protection in demanding conditions
- Easy terminal block access for rapid field wiring
- Dual duct insertion or thermowell mounting capability
Specifications
- Sensor Element: Ni1000 (JCI)
- Probe Length: 18″ [450 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
- Temperature sensing in primary air distribution supply ducts
- Large pipe fluid temperature measurement via thermowell
- Central plant management systems using JCI passive signal specifications


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