SH105B Automatic Closed Flash Point Tester GB/T261‑2021 Oil Petroleum Measuring Printing Function The SH105B fully automatic closed flash point tester adopts microcomputer technology and a large screen LCD display. The instrument heats up, automatically lifts, ignites, displays, locks the flash point value, and prints the results according to standard methods. After testing, it can automatically cool down, achieving full automation of the working process. Widely used in