The UNI-T Professional Thermal Imager is a high-precision device for observing the temperature distribution of the surface under investigation. It includes 7 color palettes and four display modes: thermal, visual, fusion and picture-in-picture. The device has a wide temperature measuring range from -20℃ to +550℃ and a high resolution infrared matrix of 256 x 192 dots. It is quite rugged and IP65 waterproof, and the housing can withstand drops of the device from a height of 2 meters. Power is supplied by a Li-Ion battery format 26650, capacity 5000 mAh, the duration of its operation is more than 6 hours. The device has a system of autocalibration of the IR sensor taking into account the ambient temperature and its own temperature, which significantly increases the accuracy of measurements. Thanks to its convenience and ease of use, it has a wide range of applications, both in industry and in the home.