Belimo 01ST-1D3 - passive contact temperature sensor

Belimo 01ST-1D3 – contact temperature sensor

Passive sensor for measuring temperature on pipes and curved surfaces. The 01ST-1D3 model has a Ni1000TK5000 output signal, a PVC cable and a brass probe.

Key features

• Measured value: temperature; medium: water.
• Passive temperature sensor output signal: Ni1000TK5000.
• Measuring range: -35...100°C [-30...210°F].
• Accuracy for Ni.. sensors: ±0.4°C @ 0°C [±0.7°F @ 32°F].
• Measuring current for Ni1000TK5000: <0.3 mA @ 0°C [32°F].
• Probe diameter: 6 mm; electrical connection: 2 m, 2-wire cable.
• IEC/EN degree of protection: IP65.
• Supplied with an A-22P-A47 mounting strap for pipes ø20...110 mm [0.8...4.3"].

The typical time constant τ (63%) on a water pipe is 17 s when thermal contact-enhancing paste is used. A-22P-A44 paste is optional equipment.