Fluke 80PK-22 SureGrip Immersion Temperature Probe is designed for use in liquid and gels. It can also be used as a general purpose temperature probe. The thermocouple junction is protected from tip to handle by an Inconel sheath. The 80PK-22 can be used with any temperature-measuring instrument that is designed to accept type K thermocouples and has a miniature connector input.