The General Tools DT2000RTD 3-in-1 IR RTD and Probe Thermometer is an extremely versatile thermometer that can take readings from 5 different types of thermocouples, a 7:1 IR thermometer with adjustable emissivity, or a 100 Pt Resistance-Temperature Detector. It also features a extra-large backlit LCD screen, multiple memory functions, and RS-232 output.