Brake Fluid Liquid Tester Pen,Brake Fluid Moisture Tester with 5 LED Indicators,DOT3 DOT4 DOT5.1 Car Diagnostic Diagnostic Testing Pen,High-Precision ydraulic Liquid Oil Moisture Analyzer

Specifications:Material: Brass-Plated Metal Probe, Matte Plastic BodyColour: BlackPackage includes: 1*Brake Fluid Tester/brake fluid testing pen/automobile brake fluid detectorBelieve us：-Fast & Accurate Testing: Equipped with a high-precision metal probe, this brake fluid tester pen quickly measures water content with reliable accuracy. The clear 5-level LED indicator system instantly shows the fluid's condition.-Durable & High-Quality Construction: Features an oil-resistant, anti-oxidation brass-plated metal probe for longevity. The brake fluid liquid tester pen shell is made of black matte plastic, offering a superior grip, excellent texture, and overall durability.-Intuitive Visual Alert System: Five LED lights (Green, Yellow, Red) provide an unambiguous status of your brake fluid, eliminating guesswork and promoting proactive maintenance.-Extremely Portable & Easy to Use: Its pen-like design makes it simple to operate and easy to store in your glove box or toolkit. No technical expertise is required.-Universal Compatibility: Works with most standard brake fluid types (DOT 3, DOT 4, DOT 5.1), making it suitable for cars, motorcycles, trucks, and other vehicles.Detailed LED Indicator Explanation:The LEDs clearly indicate the moisture percentage and required action:Solid Green: Battery OK / Moisture content <1% (Good Condition).Green + 1 Yellow: Moisture content ≈ 1%.Green + 2 Yellow: Moisture content ≈ 2% (Acceptable, monitor closely).Green + 2 Yellow + 1 Red: Moisture content ≈ 3% (Recommended to change fluid soon).Green + 2 Yellow + 2 Red: Moisture content ≥ 4% (Dangerous - Replace brake fluid immediately).

• Precise Measurement: This brake fluid tester pen is equipped with a high-precision probe, accurate to within 1%. It quickly detects the water content in brake fluid. A five-level LED indicator system represents different moisture percentages, allowing you to easily distinguish between safe, critical, or immediate change levels.
• Easy to Operate: The brake fluid tester is simple to use. Just remove the pen cap, press the power button, and wait for the green LED to light up. Insert the testing probe into the brake fluid, and the LED will illuminate based on the detected water content. It automatically turns off after 12 seconds of inactivity.
• Practical Function: Designed for professionally testing the condition of vehicle brake fluid, this automotive brake fluid diagnostic test tool helps you perform regular checks and replace old fluid promptly. This prevents reduced braking performance or system corrosion due to excessive moisture, ensuring driving safety.
• High-Quality Material: This brake fluid moisture tester features a probe made from high-quality brass-plated metal, resistant to oil, oxidation, and corrosion. The car brake fluid liquid texter pen housing is made of black matte plastic with excellent waterproofing, ensuring stable performance and a long service life in various environments.
• Wide Application: This multi-function brake fluid tester is compatible with DOT3, DOT4, and DOT5.1 brake fluids, suitable for most cars, motorcycles, trucks, and more. Please note: Battery is not included in the package; you may need to prepare it separately.