Overview
The Belimo 01DT-5BP is a passive duct/immersion temperature sensor designed with a Pt1000 element and an 8-inch (200 mm) probe length. It delivers accurate temperature sensing in larger HVAC ductwork and liquid heating/cooling lines.
Features
- High-precision Pt1000 passive sensing element
- 8-inch (200 mm) probe for deep duct penetration and thorough air sampling
- Rugged IP65 / NEMA 4X enclosure for harsh operational environments
- Hinged enclosure cover and quick-connect terminal blocks
- Flexible deployment for duct air or liquid immersion (with thermowell)
Specifications
- Sensor Element: Pt1000
- Probe Length: 8″ [200 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
- Large HVAC supply and return air duct temperature sensing
- Hydronic boiler and chiller line fluid temperature monitoring
- Energy management and climate control systems in commercial buildings


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