... AL negative/CH Original OMEGAThermocouple socket SMPW-K-F K type, Female, temperature:-29°C~220°C, colour: yellow ... , color: blue. Original OMEGAThermocouple plug SMPW-J-M J type, Male, temperature: -29°C~220°C, color: black ... . Original OMEGAThermocouple Socket SMPW-J-F J type, Female, temperature: -29°C~220°C, color: black ... - fast. Thermocouple OSTW-K-M OMEGA K TYPE PLUG MALE, ROUND PIN