... to measure the temperature in varilous field Rubber and Plastic mechanical thermocoupleExcellent shock proofEnduring high pressureVarious ioptional available ... used to produce chemical fiber,rubber plastic,petroleum,paper making,water and electricity,food machine and etc.SpecificationThermocouple material: K , E ... ~36V dcMounting: Screw thread,flange,etc. Rubber and Plastic mechanical thermocouple