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Product Parameter

Power Supply: 9V Battery *1 (Battery not included)

External Testing Certification: CE

Material Type: Plastic and metal

Length of goose neck probe: 250mm

Item Length: 25 inch

Item Width: 5 inch

Item Height: 5 inch

Item Weight: 200g

Question : Why does brake fluid tester show a yellow light when testing new DOT3 brake fluid? Is the brake fluid tester inaccurate? How to verify the accuracy of the brake fluid tester?

Answer: The qualities of brake fluid vary greatly among the market currently. Now the quality of DOT3 brake fluid is generally not good on the market. In fact, DOT3 brake fluid is not suitable for the requirements of current cars at this stage. Most brake fluid testers on the market will also turn on the yellow light when testing the new DOT3 brake fluid. There is a simple way to verify the accuracy of the brake fluid tester. Use the brake fluid tester to detect the pure water. If all the lights are on and it emits an prompt, it means that there is no problem with the accuracy of the tester.

Sound & 3 Color LED Indicator Light Alarm Design

Operating Steps:

1. Install one 9V(6F22) battery at the back of tester. (battery not included)

2. After inserting the battery, press POWER button to turn on the tester, all LEDs lights turn on with buzzer sounding, indicates the product self-test is successful.

3. Press SELECT button, it will locate DOT3 model automatically.

4. Each time you push the SELECT button, it will recycle from DOT3 to DOT4 to DOT5.1 with the indicator LEDs.

5. Immerse the probe into brake fluid, the different colored LED lights mean as below:

●Green Light: indicates the brake fluid water content is below 1%

●The First Yellow Light: indicates the brake fluid water content is approximately 1.5%

●The Second Yellow Light: indicates the brake fluid water content is approximately 2.5%

●The First Red Light: indicates the brake fluid water content is approximately 3%

●The Second Red Light: indicates the brake fluid water content is more than 4%

6. Press POWER button to turn off the tester.

Note:

1. After use, please clean the probe and avoid any retention of stains that might affect the test.

2. If in use for a long time, best to remove all batteries and store in a dry place at normal room temperature.

Package List

1x Automotive Brake Fluid Tester