Augeny Brake Fluid Liquid Tester Pen, Hydraulic Fluid Liquid Oil Moisture Analyzer with 5 LED Indicators to Test DOT3 DOT4 DOT5.1 Brake Fluid, Auto Brake Diagnostic Testing Tool

About this item High Quality Material : This brake fluid tester is made of brass-plated metal, which is resistant to oil, oxidation and corrosion. The shell is black matte plastic, better anti-slip and good body texture. The change of conductivity can be used to determine the change of moisture in the brake fluid. Scope of Application : This brake fluid tester is suitable for testing the moisture content in DOT-3, DOT-4, DOT-5.1 brake fluid. It can quickly detect the health of the car’s brake fluid, provide you with more accurate test results. It’s small and lightweight, easy to carry, and you can use it anytime. Usage Method : This brake fluid tester is easy to use. Press the power button and the green LED light will light up indicating that it is ready for use. Insert the metal probe into the brake fluid, after a few seconds, the corresponding LED light will light up and display the result. After the test is completed, the test pen will automatically close after 12 seconds. Water Content Judgment : This brake fluid tester comes with 5 LED indicators to show the percentage of moisture in the brake fluid. High moisture content will lead to a lower boiling point, affecting brake performance. Red light means the brake fluid needs to be replaced, green light means it is in good condition, and yellow light means it is in fair condition. Widely Used : It is very convenient for personal use and this product is also widely used in personal workshops, repair shops and dealer workshops. This product is compatible with AAA batteries, but please note that the battery is not included in the package, so please prepare it yourself. In order to save power and to prevent corrosion, please take out the battery after the test and clean the detector.