Overview
The Belimo 01CT-5QP01 is a passive cable temperature sensor featuring an 8-inch stainless steel probe and NTC20k element rated for temperatures up to 75°C in HVAC air ducts.
Features
- 8-inch probe for representative temperature sampling across deep ducts
- Passive NTC20k thermistor output for stable measurement
- Shielded plenum-rated cable with black jacket for interference protection
- Stainless steel probe construction for long-term reliability
- 2-wire terminal wiring layout
Specifications
- Sensor Type: NTC20k Thermistor
- Measuring Range: -13°F to 167°F [-25°C to 75°C]
- Probe Length: 8 inches [200 mm]
- Probe Diameter: 0.24 inches [6 mm]
- Cable Length: 6.5 ft [2 m]
Applications
- Temperature monitoring in large supply and return air ducts
- Central air handling unit control loops
- Hydronic pipe temperature measurement using immersion thermowells



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