Overview
The Belimo 01DT-5EL is a passive duct/immersion temperature sensor configured with a Ni1000 (JCI) element and a 4-inch (100 mm) probe. It offers accurate temperature detection for air ducts and hydronic piping tailored for JCI control networks.
Features
- Ni1000 (JCI) passive element for seamless integration with JCI controllers
- 4-inch (100 mm) probe length for standard duct and immersion applications
- Robust IP65 / NEMA 4X protective enclosure
- Easy terminal block wiring with removable housing cap
- Suitable for duct airflow monitoring or fluid immersion in thermowells
Specifications
- Sensor Element: Ni1000 (JCI)
- Probe Length: 4″ [100 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 control in VAV boxes and supply air ducts
- Hydronic line temperature sensing in JCI HVAC installations
- Commercial building energy management and HVAC automation


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