Labfacility k type fast response mi thermocouple with fitted miniature plugs labfacility xe 3206 001 a mineral insulated k type thermocouples with a 250mm long probe and a highly flexible 310 stainless steel sheath the thermocouple is terminated by a miniature plug that is rated at 220degc the probe may be bent and formed making it suitable for a range of applications the single element has its junction insulated from the sheath which lessens the instances of spurious electrical signals