US PRO Tools Brake Fluid Tester Pen DOT 3 4 5 LED Display Test for Water 5394

A simple tool for testing the percentage of water in brake fluid.

5 LEDs Indicate percentage of water present in fluid.

Suitable for DOT 3, 4, 5 (not suitable for silicone based DOT 5.1)

Automatic Power Off

Powered by 1 x AAA 1.5V Batteries (included)

RoHS, CE

Indicators:

Green - Battery in product is ok and no water in brake fluid

Green & Yellow - Less than 1% water present in brake fluid

Green, Yellow & Yellow - Approximately 2% water present in brake fluid

Green, Yellow, Yellow & Red - Approximately 3% water present in brake fluid. A change of brake fluid is recommended.

Green, Yellow, Yellow, Red & Red - At least 4% water present in brake fluid. Urgent change of brake fluid is necessary.