Thermocouple 1)screw type temperature sensorI 2)OEM,ODM acceptable 3)ISO9001 CE certified ... working temperature: 400C (750F). Screw TypeOrder confirmation Code1) Element:K,E,J,T,N,R 2) Fitting ScrewN:NoneA:6B:M6C ... ) Water proofN:No waterproofR:Waterproof 7)Mark:A Thermocouple K/E type