Overview
The Belimo 01UT-5E is a passive outdoor temperature sensor designed for precise external air temperature sensing in commercial HVAC installations. It features a Ni1000 (JCI) element contained within a protective weatherproof enclosure.
Features
- Ni1000 (JCI) nickel element for accurate outdoor air sensing
- Durable NEMA 4X / IP65 housing protects against rain, dust, and ice
- Surface mounting with integrated mounting plate and hardware
- NPT conduit adapter included for clean cable entry
Specifications
- Sensing Element: Ni1000 (JCI)
- Protection Class: NEMA 4X / IP65
- Temperature Range: -30°F to 120°F [-35°C to 50°C]
- Connection: Removable terminal block
- Cable Entry: 1/2″ NPT conduit adapter
Applications
- Outdoor air temperature measurement for building controls
- Weather-compensated heating and cooling supply reset
- Agricultural, greenhouse, and industrial facility monitoring


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