Overview
The Belimo 01DT-5LT is an extended length passive duct/immersion temperature sensor featuring an NTC10k (10k2) element and an 18-inch (450 mm) probe. It provides accurate temperature measurement in large duct mains and industrial fluid lines.
Features
- 18-inch (450 mm) probe length for comprehensive duct air sampling
- NTC10k (10k2) passive element for standard controller compatibility
- Weatherproof IP65 / NEMA 4X enclosure
- Spring terminal wiring for quick and reliable field installation
- Flexible use in air ducts or with immersion thermowells
Specifications
- Sensor Element: NTC10k (Type 2 / 10k2)
- Probe Length: 18″ [450 mm]
- Probe Diameter: 0.24″ [6 mm]
- Output Signal: Passive resistance
- Enclosure Rating: IP65, NEMA 4X
- Measuring Range: -40°F to 302°F [-40°C to 150°C]
Applications
- Primary supply duct air temperature monitoring in large commercial facilities
- Immersion fluid temperature sensing in large plant piping
- Centralized building management and HVAC control loops


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