Overview
The Belimo 01DT-5QR is a passive temperature sensor featuring a 12-inch probe and NTC20k element, built for deep-reach temperature monitoring in commercial ductwork and central plant piping.
Features
- 12-inch long stainless steel probe for wide duct cross-sections
- NTC20k passive thermistor output
- NEMA 4X / IP65 rated enclosure for reliable outdoor/indoor use
- Included mounting hardware for fast field setup
Specifications
- Sensor Type: NTC20k
- Probe Length: 12″ [300 mm]
- Probe Diameter: 0.24″ [6 mm]
- Enclosure Rating: NEMA 4X / IP65
- Measuring Range: -60°F to 300°F [-50°C to 150°C]
Applications
- Deep air duct temperature monitoring in large HVAC systems
- Chilled and hot water pipe temperature measurement in central plants


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