Siemens 540-670A ROOM TEMPERATURE SENSOR, SENSING WITH OVERRIDE, SETPOINTSiemens 540 670A Room Temperature Sensor, Sensing with Override, SetpointThis Series 1000 Room temperature Sensor provides accurate, reliable sensing of room temperature for a Terminal Equipment Controller (TEC). Features include a flush mounted override button and a high accuracy setpoint slide. The sensor measures 3 11 32 high x 2 1 2" wide x 1 1 2" deep and has a temperature monitoring range from 55 to 95 Degrees Fahrenheit (13 to 35 Degrees