An infrared thermometer is the temperature-measuring device that detects temperatures with the help of infrared sensor, which converts infrared signal to electrical signal and displays the result in units of temperature. Infrared thermometers are designed for contact or non-contact purpose. These help monitor the surface temperature for industrial appliances. Some of the important applications that have made the Infrared thermometer, so popular in the market are its reliability, linearity, cost-effectiveness and many others.