... IEC529 and IP65 approval. The specification of Thermocouple head (thermocouple,thermocouple head,industrial thermocouple,surface thermocouple,sensor)(1) Probe entry: M12×1, M16 ... IP65 approval. Can assemble with various types of thermocouple and resistance bulbs. 3P-B (H=36) ... in thermocouple types: K, T, J, N, Pt100 and others.Thick wall protective sheaths in stainless steel Thermocouple sensor cap