This handheld infrared thermometer is a high-performance and high-quality instrument that uses ARM single-chip computer for data collection and processing. It provides functions such as emissivity adjustment, maximum value, minimum value, average value, temperature difference value, high and low temperature alarm setting, etc. It features high accuracy, fast response, simple operation, and reliable performance. It can quickly measure the surface temperature of objects in a non-contact manner, and is widely used in petroleum, chemical, railway, electric power, textile, plastic, metal processing, energy saving and other industries.