Description
The Belimo 01HT-1L contact temperature sensor is designed for pipe applications. Its spring-loaded brass contact pin ensures precise and rapid temperature readings. This sensor is an essential component for heating, ventilation, and air-conditioning systems, providing accurate temperature measurements.
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Parts Included
Fixing Strap: Suitable for pipes ø20...110 mm (0.8...4.3")
Type Options: Available in multiple types for various output signals:
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01HT-1A: Pt100
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01HT-1B: Pt1000
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01HT-1C: Ni1000
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01HT-1D: Ni1000TK5000
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01HT-1F: NTC1k8
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01HT-1L: NTC10k (10k2)
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01HT-1Q: NTC20k
Electrical Data
Connection: Pluggable spring-loaded terminal block (max. 2.5 mm²)
Cable Entry: Cable gland with strain relief (ø6...8 mm)
Functional Data
- Temperature Specifications:
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Active: Time constant τ (63%) on water pipe with thermal contact fluid: Typical 16 s
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Passive: Measuring range: -35...90°C (-30...195°F)
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Accuracy:
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Pt..: Class B, ±0.3°C @ 0°C (±0.5°F @ 32°F)
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Ni..: ±0.4°C @ 0°C (±0.7°F @ 32°F)
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NTC1k8: ±0.5°C @ 25°C (±0.9°F @ 77°F)
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NTC..: ±0.2°C @ 25°C (±0.35°F @ 77°F)
Safety Data
- Protection Class IEC/EN: III, Protective Extra-Low Voltage (PELV)
- Power Source UL: Class 2 Supply
- Degree of Protection IEC/EN: IP54
- Degree of Protection NEMA/UL: NEMA 1
- Enclosure UL: Enclosure Type 1
- Certification IEC/EN: IEC/EN 60730-1
- UL Approval: cULus acc. to UL60730-1A/-2-9, CAN/CSA E60730-1/-2-9
- Pollution Degree: 2
- Rated Impulse Voltage Supply: 0.8 kV
Environmental Data
- Ambient Humidity: Max. 95% RH, non-condensing
- Ambient Temperature: -35...50°C (-30...122°F)
- Fluid Temperature: -35...90°C (-30...195°F)
- Housing Surface Temperature: Max. 90°C (195°F)
Materials
Cable Gland: PA6, black
Housing:
Cover: PC, orange
Bottom: PC, orange
Seal: NBR70, black
UV Resistant
Optional Accessories
Fixing Strap for Larger Pipes: ø20...250 mm (0.8...9.8") A-22P-A49
Thermal Contact Fluid Syringe: A-22P-A44
Connection Adapter Flex Conduit: M20x1.5, for cable gland 1x 6 mm (Multipack 10 pcs.) A-22G-A01.1
Installation and Safety Notes
Designed for stationary heating, ventilation, and air-conditioning systems.
Unauthorised modifications are prohibited.
Ensure all power is disconnected before installation.
Installation should be carried out by authorised specialists only.
For more information and to explore our range of Belimo products, visit our website at https://ecospares.co.uk/collections/belimo. If you need any assistance, please contact us on 01772 284 626.
