Brake fluid tester

This practical brake fluid tester in pen-shaped design is suitable for establishing the quality of brake fluid to DOT 3, DOT 4 and DOT 5.1. It measures the water content of brake fluid and indicates its quality by means of three LEDs.
For each test, the cover of the brake fluid tank must be twisted off and the cap of the tester needs to be removed. The tester should then be turned on by briefly pressing the button. The test classification can be configured by holding the button down for longer. Once the tester is properly configured, simply immerse the test probes fully in the brake fluid. The test result can be read off from the three quality indicator LEDs after about 2 seconds. A function test can be carried out by dipping the tester into a vessel containing water. The test procedure is exactly the same as when testing actual brake fluid. All the diodes need to light up.

Technical data

• Test classes: DOT 3, DOT 4, DOT 5.1
• Indicators:
  • 3 LEDs (quality)
  • 2 LEDs (class)
• Power supply: 1.5 V/AAA
• Unbreakable, acid-resistant plastic