Belimo 01CT-1NH5 - passive temperature sensor with cable

Belimo 01CT-1NH5 – passive temperature sensor

This sensor, with a stainless steel probe and PVC cable, is designed for temperature measurement. It can be used as an air duct temperature sensor with a mounting flange or as an immersion sensor in combination with a thermowell.

Key features and specifications

• Output signal: NTC10k Carel.
• Probe length: 50 mm; probe diameter: 6 mm.
• Electrical connection: 6 m cable, 2-wire.
• Measuring range: -35...100°C [-30...210°F].
• Temperature measurement accuracy: ±0.26°C @ 25°C [±0.48°F @ 77°F].
• Measuring current: <2 mA @ 25°C [77°F].
• Ingress protection: IP67 and NEMA 4X.
• IEC/EN protection class: III, Protective Extra-Low Voltage (PELV).

Time constant τ (63%) in an air duct is typically 155 s @ 0 m/s and 35 s @ 3 m/s. In a water pipe, with an A-22P-A.. thermowell and contact fluid, it is typically 7 s with a brass thermowell or 9 s with a stainless steel thermowell.