Sand and dust test box is a new type of petroleum analysis instrument in the family of petroleum analysis instruments. Flash point is the minimum temperature at which a flammable liquid or solid can emit a sufficient amount of vapor and form a flammable mixture with air at the surface of the liquid or solid in the container used. The flash point of flammable liquids changes with its concentration.
There are two methods for determining the flash point: the open cup method and the closed cup method. The closed flash point tester is referred to as the closed flash point device, which is a new product developed by the latest scientific research developed by the center. The instrument adopts microcomputer technology and large LCD display. The petroleum analysis instrument heats up according to standard methods, automatically raises and lowers, automatically ventilates, automatically ignites, automatically displays, automatically locks the flash point value, and automatically prints the results. After the test is completed, it can be automatically cooled, and the working process is fully automated. The petroleum analysis instrument has many advantages such as accurate measurement, good repeatability, stable performance, simple operation, etc .; it is widely used in power, petroleum, chemical, commodity inspection, scientific research and other departments; in line with ISO-2719, GB261-83 standards.
The working principle of the lightning tester is that the closed flash point tester is heated according to the heating curve specified by the method of ISO-2719, GB261-83. When the temperature of the sample in the sand and dust test box is close to the flash value, the microcomputer controls the gas path system to automatically open the gas valve , Automatic ignition. When a flash fire occurs, the instrument automatically locks and closes the gas valve, displays and prints the sample results, opens the cover, and automatically cools the heater.
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