The Fluke 561 Infrared and Contact Thermometer, -40-1022°F Range, 12:1 Ratio combines the temperature measurement functions that industrial, electrical, and HVAC/R professionals need, all in one tool. It measures both IR and contact temperatures, replacing several other test tools. It is fast, efficient, and easy to use, saving you valuable time and effort.With the Fluke 561, you can take contact and ambient temperatures in the way that is best for you. Use the IR thermometer to measure hot, moving, electrically energized, and hard-to-reach objects instantly. Check motors, insulation, breakers, radiant heating, pipes, corroded connections, and wires. Plus, scan ducts, and other hard-to-reach objects from the floor. You can use the 561's handy Velcro pipe probe, or plug in any industry-standard, K-type mini-connector thermocouple probe that you already own.