Brake fluid tester for measuring the water content in brake fluid.

The TOPTUL brake fluid tester should not be missing in any workshop. Since brake fluid is hygroscopic (attracts water), it is necessary to test the water content of the brake fluid regularly. This easy-to-use tool helps you do just that.

Small and handy (L=150mm)
The water content is displayed via LEDs
Direct result
The device impresses with its simple design and practicality. Through the 5 LED lights, the water content of the brake fluid can be read very easily, and you can see directly whether the brake fluid needs to be changed.

Technical data:
Measures the percentage of water content in brake fluid (DOT 4).
5 LED lights show the percentage of water content in the brake fluid
Can be used on various vehicles (scooters, motorcycles, cars or trucks)

LED Indicator:

-Green: OK, no water in the brake fluid.
-Green/Yellow: Less than 1% water in the brake fluid.
-Green/Yellow/Yellow: approx. 2% water in brake fluid.
-Green/Yellow/Yellow/Red: approx. 3% water in brake fluid. The brake fluid should be replaced.
-Green/Yellow/Yellow/Red/Red: At least 4% water in the brake fluid. The brake fluid must be changed immediately.


Conclusion: The brake fluid tester should not be missing in any workshop or garage. It can be used to directly determine the risk of excessive water content in brake fluid.