The closed cup flash point automatic tester is used to measure the closed cup flash point value of petroleum products. The instrument adopts ARM microprocessor technology, color LCD, resistive touch screen technology, and Chinese menu, making human-computer interaction more convenient. The instrument has a power-off storage function. The instrument has automatic ignition, display, locking and printing results, and automatic cooling functions. The air pressure is automatically corrected. The instrument has a point igniter brightness external adjustment function. The instrument has the advantages of accurate measurement, good repeatability, stable and reliable performance, and simple operation. It is widely used in power, petroleum, chemical, inspection, and research departments and meets the requirements of ASTM D93, GB/T 261-2008 standard methods.