Brake Fluid Quality Tester Pen DOT3 DOT4

$14.99
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BF-TESTER

The brake fluid tester is suitable for determining brake fluid quality.

  • Test dot 3 & 4 brake fluid (dot 5 for ref. only) 
  • 5 LED to indicate percent of water in the brake fluid. 
  • Includes a microfiber cloth
  • Requires 1 AAA 1.5V Battery (not included)

To Check Fluid Quality:

  • To turn it on, press the power button. The green LED will light up.
  • Insert the tester into reservoir for about 2 seconds, and then the results will be indicated by the LEDs.
  • The tester will auto power off.


LED Indications:

Green: Battery OK; No Water Content in the Brake Fluid

Yellow: Less than 1% of Water Content in Brake Fluid

Yellow/Yellow: Approximately 2% of Water Content in Brake Fluid

Yellow/Yellow/Red: Approximately 3% of Water Content in Brake Fluid. (The Brake Fluid should be changed)

Yellow/Yellow/Red/Red: At least 4% of Water Content in Brake Fluid. (The Brake Fluid must be changed urgently)

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