Brake Fluid Testers

Indicator

Water content

Work button (push on button)

Fine tuning

Temperature-resisting curve

Probe

After cleaning the probe, put it in dry air or immerse it into new brake fluid.

Press down the work button for 3-5 seconds continuously, and then turn the fine tuning clockwise until the second green indicator lights turn on

Then turn the fine tuning counter-clock wise until the second green indicator puts out

Now it can be used to test the brake fluid

Immerse the probe into the brake fluid, and press down the work button for a few seconds

Judge the brake fluid state by indicator light

All the green lights indicate the brake fluid is fine and the water content is below 0.5%

Yellow light indicates the fluid is not so good and the water content is above 0.5%

Red light with buzzer sound indicates the brake fluid is very bad and the water content is above 2.5%