Description
The Belimo 01UT-5M is a passive outdoor temperature sensor designed for reliable ambient air temperature measurement in building automation and HVAC control applications. Featuring an NTC 10kΩ Type 3 (NTC10k3) sensing element, this sensor delivers accurate, stable temperature readings that integrate seamlessly with a wide range of building automation systems, controllers, and energy management platforms.
With a 5-meter (approximately 16.4 ft) cable lead, the 01UT-5M provides flexible installation options for outdoor mounting locations, allowing the sensor to be positioned away from the controller without additional field wiring in most applications. The passive NTC design requires no external power supply, simplifying wiring and reducing installation complexity.
Key Features
- Passive NTC 10kΩ Type 3 (NTC10k3) sensing element for accurate outdoor temperature measurement
- 5-meter (16.4 ft) pre-attached cable for flexible installation reach
- No external power supply required — passive sensor design simplifies wiring
- Compatible with Belimo controllers and a wide range of third-party BAS platforms accepting NTC10k3 inputs
- Suitable for outdoor ambient air temperature sensing in HVAC and building automation systems
- Durable housing designed to withstand outdoor environmental conditions
- Easy to install with minimal tools required
Typical Applications
- Outdoor air temperature reset control for hydronic heating and cooling systems
- Building automation system (BAS) outdoor air temperature input
- Energy management and economizer control strategies
- HVAC unit outdoor ambient sensing
Sensor Type
- Element: NTC 10kΩ Type 3 (NTC10k3)
- Cable Length: 5 meters (approx. 16.4 ft)
- Signal Type: Passive (resistive output)
- Mounting: Outdoor surface mount
The Belimo 01UT-5M is an ideal solution for contractors and controls technicians seeking a dependable, easy-to-install outdoor temperature sensor that meets the NTC10k3 standard widely used across commercial HVAC and building automation platforms.
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