From RS Pro a range of Type J, K and Type T fine wire temperature sensing thermocouples that conform to IEC-584-3 standards with a Class 1 tolerance for optimum performance. These Type K and Type T fine wire temperature sensors have a durable Teflon PTFE insulated class 1 twin-twisted 1/0.2 mm lead. The lead is terminated with a rewireable miniature flat pin plug for a quick and easy connection. These thermocouples have an exposed welded junction which enables them to operate with a fast response time.