![]() ![]() AUTOOL AS502 Automotive Brake Fluid Tester is a state-of-the-art device designed for automotive brake fluid testing. It utilizes a highly sensitive probe and hose system to quickly and accurately measure the water content and boiling point of brake fluid. By selecting a specific type or brand of brake fluid, users simply follow the on-screen prompts to complete the test and obtain more accurate results, thus ensuring the normal operation of the braking system and driving safety.
![]() AUTOOL always selects long-lasting and durable product materials, adheres to the production process of excellence, and upholds the spirit of revolution and innovation, committing to creating products with innovative and superior quality for users. Why Choose AUTOOL?
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Why we choose AUTOOL AS502 Brake Fluid Tester? Our brake fluid testers are able to work properly in a variety of environments and complete a brake fluid test in a short period of time. This greatly saves the user's time and energy and improves work efficiency.Multiple Brake Fluid Compatibility Normal mode: applicable to DOT-3, DOT-4, DOT-5.1 types of brake fluids |
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BOOST DETECTION SYSTE MInnovative boost quick detection technology ensures stable performanceand more accurate measurement results. | USER-FRIENDLY DESIGN The handheld part of the device is lined with silicone, providing a comfortable grip and a lightweight design, making it easy to operate with one hand. | HIGH-DEFINITION BACKLIT DISPLAY The 2.8-inch LCD screen with a backlit design provides users with a clearer display, regardless of strong light or dark night, making your work more efficient and effortless. |
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SPECIFICATIONS Wet boiling point range: 140 °C ~ 205°C (284°F ~ 401°F) ±5% Dry boiling point range: 160 °C ~ 320 °C (320 °F ~ 608 °F) Working Voltage: 6V(4 × 1.5V batteries) Detection time: 16 seconds Working temperature range: -10 °C ~ 60 °C | HIGHLY SENSITIVE PROB Equipped with a highly sensitive sensor and a 260mm coiled hose, this device.provides a convenient and fast user experience. The outer layer of the hose is made of 304 stainless steel, which has the characteristics of oil resistance, oxidation resistance, and corrosion resistance, effectively extending the product's service life. | PACKAGE INCLUDED 1pc * AUTOOL AS502 BRAKE FLUID TESTER 1pc * Instruction Manual 1pc * Black hand box |
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Operation Procedure 1. Wipe the test probe clean. 2. Open the brake fluid reservoir cover. 3. Select the type of brake fluid to be tested. 4. Dip the test probe into the brake fluid. 5. Press the button to start the test. 6. The measurement result will be displayed on the screen. ![]() |

