The Fluke 561 combines in one measuring device all temperature measuring functions that electricians and technicians in industry or for the maintenance of heating, ventilation and air conditioning systems need. It measures both infrared and contact temperature and replaces several other measuring devices. It's fast, efficient, and easy to use, and saves valuable time and effort. With the Fluke 561, you can measure surface and ambient temperatures the way you want. With the infrared thermometer, you can quickly measure hot, moving, electrically charged and hard-to-reach objects. You can check motors, insulation, circuit breakers, heaters, pipes, corroded connectors and wires. You can also scan lines and other hard-to-reach objects from the ground without the need for a ladder. You can use the Fluke 561's handy Velcro® probe or any mini-connector thermocouple probe Plug in K according to industry standard.