DescriptionMagnetic Mount Thermocouple Probes, suitable for long term contact pressure. Requires 10 minutes to reach full surface temperature. The 88401 is rated to max. surface temperature of 250°C (480°F). The 88402 is rated to max. service temperature of 400°C (750°F). It is supplied with a PFA lead wire, SMPW connector and TAS adaptor. K Calibration uses CHROMEGA®-ALOMEGA® metals. E Calibration uses CHROMEGA®- Constantan metals.