Belimo Outdoor Sensors for Humidity & Temperature, models 01UT, 22UT, and 22UTH, provide accurate monitoring across a temperature range of -50°C to 250°C. These sensors feature both passive and active output signals and are powered by AC/DC 24V. Designed with a durable plastic housing and a snap-on cover, they offer IP65 / NEMA 4X protection, making them ideal for precise measurement of temperature and relative humidity in harsh outdoor environments.