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Brake Fluid Liquid Tester Pen, Hydraulic Fluid Car Brake Diagnostic Testing Pen with 5 LED Indicators, DOT 3 DOT 4 DOT 5.1 Brake Liquid Oil Analyzer Test Pen, Car Accessories

KWD 2
Brand
Wevdn
Weight
31 g
– 1 +

Special Features

  • 【Practical Function】: With precise liquid detection, this tester ensures your brake system is always operating at its safest. By accurately measuring water levels in the brake fluid, it prevents potential brake failures caused by excess water, which can reduce braking efficiency and compromise overall safety.
  • 【Clear Indicator】: Equipped with five LED indicators, the tester provides an easy-to-read display of brake fluid quality. The LEDs remain steady without flickering for clear and reliable readings. You can refer to the explanation below for details on each combination and its corresponding water content level.
  • 【Convenient & Portable】: Measuring just 0.8"×6.0", the sleek and pen-like design makes it easy to carry and handle, whether you're working in a garage or on the go. Our brake liquid testing pen allows for comfortable one-handed operation, ensuring that fluid checks are as convenient as possible.
  • 【Simple Operation】: To use the tester, simply unscrew the brake fluid reservoir cap and remove the pen's cap. Immerse the probe into the fluid, press the power button, and the green LED will light up. Hold for one second to view results; the pen automatically shuts off after 12 seconds.
  • 【Wide Application】: This versatile brake fluid tester is compatible with a wide range of commonly used brake fluids, including DOT 3, DOT 4 and DOT 5.1. It's an essential tool for car owners and professional mechanics, ensuring safe and reliable braking performance across different vehicle types.

Description

Specification:

Material: Brass-Plated Metal

Quantity: 1 PC

Color: Black

Weight: 27 g

Size: 0.8 × 6.0 inches

Voltage: 9-15 V

Work Temperature: 0-60 ℃

Feature: Practical, Durable, Convenient

Fit Type: Universal Fit

Would you like to consider our brake fluid tester?

-With an operational temperature range of 0-60 °C, this brake fluid tester is ideal for use in various environmental conditions.

-Made from brass-plated metal, it offers enhanced resistance to wear and corrosion.

-It includes an automatic shut-off function to conserve battery power.

-Product Indicator Explanation:

-Green: Battery OK, no water detected—safe for use.

-Green+YellowWater content below 1%—acceptable condition.

-Green+Yellow+Yellow: Water content approaching 2%—caution advised.

-Green+Yellow+Yellow+Red: Water content nearing 3%—replacement recommended.

-Green+Yellow+Yellow+Red+Red: Water content above 4%—immediate replacement required to avoid brake failure.

-Notes:

-This product does not come with a battery by default.

-If the green LED does not light up after a long press on the power button, the battery needs replacing.

-Always clean the testing probe with fresh water after each use.

-Avoid exposing brake fluid to air for extended periods due to its hygroscopic nature.

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