Siemens 536-780 SURFACE MOUNT TEMPERATURE SENSOR (PIPE), 4-20 MA, 2 X 4 METAL BOX WITH CLAMPSSiemens 536 780 Surface Mount Temperature Sensor (Pipe), 4 20 mA, 2 x 4 Metal Box with Clamps This surface mount pipe sensor provides input for accurate loop powered temperature sensing for controllers. It has a temperature range of 30 to 250 degrees Fahrenheit and a mid range accuracy of + 1. 1 degrees Fahrenheit. This pipe sensor has a 2" x 4" metal box with clamps for surface mounting and providees a 4 to 20 mA control signal. Additional