Performance Tool® W181 - Brake Fluid Tester

The Performance Tool W181 Brake Fluid Tester is the ideal tool for accurate moisture level determination in brake fluid, ensuring optimal vehicle safety. With a 5 LED readout, the results are easy to interpret, displaying the percentage of moisture in the fluid. Calibrated specifically for use with DOT 4 brake fluid, you can be sure of accurate readings every time. Even though it is primarily calibrated for DOT 4 brake fluid, the W181 Brake Fluid Tester can also be used for estimates with DOT 3 brake fluid. ACCURATE MOISTURE LEVEL DETERMINATION: The Performance Tool W181 Brake Fluid Tester accurately determines the moisture level in brake fluid to ensure optimal vehicle safety. 5 LED READOUT FOR EASY INTERPRETATION: The 5 LED readout on the brake fluid tester indicates the percentage of moisture in the fluid, making it easy for you to interpret the results. BATTERY INCLUDED FOR IMMEDIATE USE: The W181 Brake Fluid Tester comes with a 1-AAA battery, allowing you to use it right out of the box. SUITABLE FOR DOT 3 BRAKE FLUID ESTIMATES: Although primarily calibrated for DOT 4 brake fluid, the W181 Brake Fluid Tester can also be used for estimates with DOT 3 brake fluid. Please note that it is not suitable for use with DOT 5 brake fluid.