The motor vehicle brake fluid (hereafter called brake fluid) is a kind of fluid for transferring pressure in hydraulic braking system to stop wheel rotation, whose quality, selection and use are of great importance for the driving safety. With the quick development of automobile industry, the realization of high speed of vehicles has become a trend, and requirement on the use of brake fluid also increases. The domestic and foreign countries take the brake fluid very seriously, and consider it as safety fuel for driving. The tester of brake fluid developed by our company can quickly test the quality of brake fluid, inspect humidity, indicate the status of brake fluid, and provide reliable basis for maintenance and replacement. Brake fluid of different types has different boiling points according to its water content, and only the timely replacement of brake fluid with excessive water can ensure your driving safety.