Fluke 80pk 25 suregrip piercing probe fluke fluke 80pk 25 compatible with the 80tk for use with dmms and with the 51 52 digital thermometers and with other measuring instruments that accept mini connectors requires 80tk thermocouple module see order code b 85 3673 b br br it has been manufactured from 316 stainless steel and is suitable for food service it is also suitable for liquids and gels restrictions the 316 stainless steel cannot be exposed to halides or sulfides br