Overview
The Belimo 01DT-5AH is a passive duct and immersion temperature sensor featuring a 2-inch stainless steel probe and a high-accuracy Pt100 RTD element in a NEMA 4X housing.
Features
- Platinum RTD Pt100 sensing element for superior signal accuracy and stability
- Weatherproof NEMA 4X / IP65 enclosure for demanding environments
- Compact 2-inch stainless steel probe for shallow ducts and pipes
- Terminal block wiring interface inside protective enclosure
- Passive 2-wire operation requiring no local supply power
Specifications
- Sensor Type: Pt100 (100 Ohm Platinum RTD)
- Probe Length: 2 inches [50 mm]
- Probe Diameter: 0.24 inches [6 mm]
- Degree of Protection: IP65, NEMA 4X
- Electrical Connection: Internal terminal block
Applications
- Compact duct temperature monitoring in commercial HVAC systems
- Pipe temperature sensing when paired with stainless steel or brass thermowells
- Precision temperature inputs for building automation controllers



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