Belimo 01CT-1ALF - cable temperature sensor with mounting flange

Belimo 01CT-1ALF – Pt100 temperature sensor

Cable-connected passive sensor for measuring air temperature in ducts. Model 01CT-1ALF is fitted with a stainless steel probe and a PVC cable. A mounting flange for the 6 mm diameter probe is included.

Key technical data

• Output signal: Pt100.
• Probe length: 100 mm; probe diameter: 6 mm.
• Electrical connection: 2 m, 2-wire cable.
• Measuring range: -35...100°C [-30...210°F].
• Pt100 measuring current: <1 mA @ 0°C [32°F].
• Accuracy Pt..: Class B, ±0.3°C @ 0°C [±0.5°F @ 32°F].
• Protection rating: IP67 (IEC/EN) and NEMA 4X (NEMA/UL).
• Time constant τ (63%) in an air duct: typically 155 s @ 0 m/s or 35 s @ 3 m/s.
• Included mounting flange: A-22D-A03, plastic, for a 6 mm probe, up to max. 120°C [248°F].

When connecting a passive 2-wire sensor, account for the effect of measuring current and cable resistance on measurement accuracy, in accordance with the manufacturer's documentation.