How to use LED Brake Fluid Tester


Step 1 – Press the button to power on; the button is at the top of the brake fluid tester
brake-fluid-tester-1

 

Step 2 – the battery led will turn green

It means battery ok.
brake-fluid-tester-2

 

Step 3 – Remove the cap and dip the test probes into the brake fluid
brake-fluid-tester-3

 

Green: None

Green/Yellow: Less than 1%

Green /Yellow/Yellow: Approx. 2%

Green/Yellow/Yellow/Red: Approx. 3%

—> The brake fluid should be CHANGED

 

Green/Yellow/Yellow/Red/Red: Approx. 4%

—> The brake fluid MUST be CHANGED urgently, extreme dangerously.

 

brake-fluid-tester-description

Note:

The brake fluid tested in the new fluid vs. fluid in water
brake-fluid-tester-4

 

Step 4 – After testing, screw the lid of the brake fluid reservoir back tightly
 

Step 5 – The tester will automatically power off after 12 seconds of inactivity.