Overview
The Belimo 01HT-5L is a passive strap-on surface contact temperature sensor equipped with an NTC10k Type II (10k2) thermistor. It delivers accurate surface pipe readings without pipe intrusion.
Features
- NTC10k Type II (10k2) thermistor element
- Spring-loaded contact mechanism ensuring direct pipe surface engagement
- Included mounting strap for easy installation on pipes up to 4.3 inches OD
- IP65 / NEMA 4X protective enclosure
Specifications
- Sensor Type: NTC10k (10k2)
- Mounting Type: Pipe contact / Strap-on
- Pipe Compatibility: Up to 4.3″ [110 mm] OD
- Enclosure Rating: NEMA 4X / IP65
- Measuring Range: -30°F to 195°F [-35°C to 90°C]
Applications
- Surface pipe temperature monitoring in commercial HVAC systems
- Secondary temperature measurement for hydronic heating/cooling loops


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