Features [Wide range of uses]:Used in commercial and civil buildings to control the heating and cooling of the coil motor and water valve of the central air-conditioning terminal. [Precise temperature control]:Precise control of temperature is provided by bimetal membrane.Automatically start or shut down fans or electric valves according to different situations [Stable performance]:The measured temperature is compared with the set temperature by the logic circuit, and the performance is stable [Easy to use]:Adopt surface mounted method, easy and simple to install and remove [Exquisite appearance]:Exquisite appearance design is perfect for installing at office, hotel, restaurants, etc,. Specification:Item Type: Temperature Controller Control Type: Temperature Control Mode: Mechanical temperature controller Measurement Object: Temperature control of the central air-conditioning fan coil, electric valve, electric air valve and other end equipment Temperature Measurement Error: ±1 (℃) Hole Size: 60 (mm) Installation Type: Surface mounted Output Signal: 3 (mA) Size: Approx. 128 x 86 x 26mm / 5 x 3.4 x 1in Weight: Approx. 220g / 7.8oz Rated Voltage: 220V / AC, 50 / 60Hz Rated Current: 1A Constant Temperature Range: 10-30 ℃ Temperature Deviation: ≤1 ℃ at 25 ℃ Environmental Conditions: -20 ℃-55 ℃ Model: Wsk-7 Package List:1 x Temperature Controller 1 x User Manual 2 x Screw 1 x Product Certification Card Package List 1 x Temperature Controller 1 x User Manual 2 x Screw 1 x Product Certification Card