Durable Type K, J ; T Exposed Welded Tip Thermocouples. Various types of exposed junction thermocouples with fitted miniature plug and insulated leads, ideal for test and develoment applications. Thermocouple types K, J ; T to IEC 584 Fast response, welded exposed junction Durable Teflon construction with choice of conductor size, 1/0.315mm solid or 7/0.2mm stranded Miniature plug termination Temperature range -75 +250 °C Ideal for test ; development applications