Fluke 80pk 11 velro temperature probe fluke fluke 80pk 11 the fluke 80pk 11 type k velcro thermocouple temperature probe has been designed to be compatible with any temperature measuring instrument that accepts type k thermocouples it has has a miniature thermocouple connector and has cold reference junction compensation br br designed for hands free measurement of hvac temperature measuring applications use multiple probes and leave in place for route based routine maintenance fluke