4PCS Brake Fluid Liquid Tester Pen, DOT 3 DOT 4 DOT 5.1 Brake Fluid Diagnostic Testing Pen, Vehicle High-Precision Hydraulic Liquid Oil Moisture Analyzer with 5 LED Indicators

$9.49

★ 4.3164 reviews

Product Information

ASINB0GSQLKCTQ

CategoryAutomotive

MerchantFSTURIOS

About this item

Enhancing Safety: Brake fluid may lose its braking performance and affect driving safety after absorbing water. This tester helps you regularly check brake fluid condition and replace old fluid in time, maintaining the stability of the brake system and minimizing the potential safety hazards
Accurate Measurement: Equipped with a high-precision probe, this tester quickly detects water levels in brake fluid and displays results clearly via a five-level LED indicator. The different colors of lights represent varying water percentages, allowing users to easily interpret the data
Premium Material: The brake fluid tester pen is made of high-quality brass-plated metal probes to ensure high conductivity and durability. Its sturdy plastic casing is corrosion-resistant and wear-resistant, ensuring long-lasting performance in various conditions
Easy to Use: Press the power button, and the green LED light will turn on. After a brief moment, insert the probe into the brake fluid, and the LED lights will illuminate based on the detected water level. Once the test is complete, the device automatically shuts off within 12 seconds
Broad Application: Compatible with DOT3, DOT4, and DOT5.1 brake fluids, this tester is suitable for most cars, motorcycles, trucks, and more. Whether for home vehicle maintenance or professional repair work, it offers broad applicability to meet various testing needs

Product Description

Specification:Material: Brass-Plated MetalQuantity: 1/ 2/ 4 PCSColor: BlackWeight: 27 gSize: 5.98×0.78 inchesVoltage: 9-15 VOperating Temperature: 0-60 ℃Feature: Precise, Practical, ConvenientFit Type: Universal FitInstruction Notes:-Green LED on: Battery is sufficient, and the brake fluid contains no moisture, safe for use.-Green+Yellow LEDs on: Water content is below 1%, still within the safe range.-Green+Two Yellow LEDs on: Water content is close to 2%, monitor brake condition.-Green+Two Yellow+Red LEDs on: Water content is close to 3%, brake fluid replacement recommended.-Green+Two Yellow+Two Red LEDs on: Water content exceeds 4%, braking is compromised, fluid must be replaced.Warm Tips:-If the green LED does not light up after holding the power button for a long time, replace the battery.-After each use, rinse the probe with clean water to maintain measurement accuracy.-Do not leave brake fluid exposed to air for long periods, as it absorbs water easily and may degrade in quality.-This device is powered by one AAA battery (not included).