Fluke 566 multipurpose thermometer fluke fluke 566 the fluke 566 is a two in one ir and contact thermometer with an innovative dot matrix display with a simple 3 button on screen menu interface in 6 languages this digital laser thermometer makes even complex measurements easy quickly navigate advanced features to adjust emissivity start data logging or turn on and off alarms with just a few pushes of a button fluke 566 multipurpose thermometer