YW-791 is a testing device to determine whether the brake fluid needs to be replaced by testing the water content in the brake fluid, and can be used to test the brake fluid DOT3, DOT4 and DOT5.1.

 

YW-791 adopts high-sensitivity sensor, when testing, just dip the probe into the brake fluid, you can determine whether the brake fluid needs to be replaced according to the test results. The instrument uses a 200mm long metal serpentine tube to connect the probe, making it easy for the user to adjust the probe direction flexibly when the test is needed.

 

YW-791 has a dual alarm function of sound and light. When the water content of the measured brake fluid is >3.0% or >4.0%, the backlight (flashing) and buzzer will alarm simultaneously, prompting the user to replace the brake fluid. In addition, the instrument also has a key buzzer function, which will beep when the user makes a valid key operation. This function helps the user to identify whether the current operation is valid or not.

 

YW-791 screen is high-definition backlit segment code screen, even in places where the light is not good, users can clearly read the test results.