Labfacility type k mineral insulated thermocouples threaded pot seal and lead labfacility md isk s15 150 p5 a oslash15 x 150mm type k thermocouple with flexible mineral insulation the probe is housed in a 310 stainless steel sheath with m8 x 10mm fine pitch threaded pot seal and tails the single element junction is insulated from the sheath protecting against spurious electrical signals the highly flexible sheath can be bent and formed to suit particular applications and processes ma