Digital Brake Fluid Tester Pen High Accuracy Water Content Detector DOT3 DOT4 DOT5.1 Auto Car Oil

Digital Brake Fluid Tester Pen High Accuracy Water Content Detector DOT3 DOT4 DOT5.1 Auto Car Brake Oil Tester Diagnostic Tool HTN Display Screen Digital display screen provides: Richer display content More accurate results More clearly Convenient Product Features Three HTN display screens High precision probe with high accuracy and a small error of ± 0.3% Accurate display of moisture content PP material is lighter, more comfortable, easy to carry, and durable. Standby mode for 1 minute, automatic sleep mode, energy-saving and low-power consumption, more durable battery life Side buckle, small and portable Beep alarm function Widely applicable, holding most brake oils on the market such as DOT3/4/5.1 Comparison indicator light oil measuring pen More accurate certainty - quantitative More professional - Different oils are suitable for different testing methods More intuitive indicator lights - display screen Brake Fluid Liquid Tester Pen This brake fluid tester is suitable for testing the moisture content in DOT-3, DOT-4, DOT-5.1 brake fluid. Lightweight and easy to carry Product Description Used for brake fluid level detection and intelligent display When the water content is less than 1.5% and the screen displays green, it indicates that the brake fluid does not contain water and can be used with ease Moisture content The water content is greater than 3% to 4%, the screen displays red, and there is a beeping sound. The brake needs to be replaced immediately Oil! The danger of not detecting and changing the brake fluid in time! High speed brake failure Brake failure on snowy days Upslope brake failure Upslope brake failure Usage method Preparation before testing: Unscrew the cap of the brake fluid reservoir and remove the probe protective cover of the test pen. Lightly press the power button, and after the screen displays, press for three seconds to activate the brake fluid type setting. Detecting moisture content: 1. Select the corresponding label DOT3/4/5.1 based on the type of brake fluid being tested 2. Dip the front end probe of the test pen horizontally into the brake oil in the reservoir, ensuring that both probes are in contact with the oil level. 3. The brake oil performance can be determined based on the water content displayed on the screen. After completing the test, all indicator lights will turn off and the test pen will enter power-saving mode after 1 minute. A battery can be used continuously for a long time without consuming much electricity. It is recommended to keep this equipment in the truck to keep track of the quality of the brake oil at all times, as it is easy and fast to operate.