Industrial far-infrared thermal imager for measuring object surface temperature and real-time thermal image display, can provide different ranges of temperature measurement range, a variety of color modes, the user can set the emissivity, data capture per frame, video recording, to provide a complete secondary development of the SDK and DEMO routines, support for programming and development of various languages such as C/C + +/VB/Delphi/Python, etc., and can be Provide emissivity settings, center temperature display, high and low temperature point temperature display, user interest area temperature display, horizontal mirror, vertical mirror, distance correction, temperature correction, user-defined temperature compensation, high and low temperature alarms, user interest temperature intervals, color temperature comparison, image sharpening level settings, blackbody furnace calibration and other functional settings and three formats of data: temperature of each point, gray value of each point Pseudo-color for each point.