The Fluke 66 is a non-contact thermometer that is the ideal professional diagnostic tool for HVAC technicians performing room balance checks, electricians evaluating electrical connections and auto mechanics diagnosing catalytic converters. This handheld portable tool enables professionals to research heating and ventilation problems, monitor the status of electrical motors and electrical panels and diagnose car malfunctions with ease. The Fluke 66 measures surface temperatures, helping to quickly locate potential blockages or malfunctioning systems reducing work time and improving performance.