A simple tool for testing the percentage of water in brake fluid. 5 LEDs Indicate percentage of wa...A simple tool for testing the percentage of water in brake fluid. 5 LEDs Indicate percentage of water present in fluid. Suitable for DOT 3, 4, 5 (not suitable for silicone based DOT 5.1). Automatic Power Off. Powered by 1 x AAA 1.5V Batteries (included). RoHS, CE. Indicators: Green - Battery in product is ok and no water in brake fluid. Green & Yellow - Less than 1% water present in brake fluid. Green, Yellow & Yellow - Approximately 2% water present in brake fluid. Green, Yellow, Yellow & Red - Approximately 3% water present in brake fluid. A change of brake fluid is recommended. Green, Yellow, Yellow, Red & Red - At least 4% water present in brake fluid. Urgent change of brake fluid is necessary.
This guide is for anyone who wants to ensure their brake fluid is safe and effective, especially mechanics and DIY enthusiasts. The US PRO Tools Brake Fluid Tester Pen helps you quickly and easily determine the water content in your brake fluid, preventing potentially dangerous brake failure. However, it's important to note that this tester is designed for DOT 3, 4, and 5 brake fluids and is not compatible with DOT 5.1 or silicone-based fluids.
All features
Model Part Number
5394
Brand
us pro
Extended Product Information
FAQs
What type of brake fluids is this tester compatible with?
The tester is compatible with DOT 3, DOT 4, and DOT 5 brake fluids.
Is this tester compatible with DOT 5.1 brake fluid?
No, this tester is not compatible with DOT 5.1 brake fluid.
How do I know if I need to change my brake fluid?
If the tester shows Green, Yellow, Yellow, Red & Red LEDs, it indicates at least 4% water content and an urgent brake fluid change is necessary. A change is recommended at 2-3% water content.
How do I clean the tester?
Wipe the testing prongs with a clean, dry cloth after each use.
What type of battery does the tester use?
The tester uses 1 x AAA 1.5V battery, which is included.
Is the tester waterproof?
The tester is not waterproof. Avoid getting the device wet or exposing it to excessive moisture.
What does the CE mark mean?
The CE mark indicates that the product complies with the relevant European Union directives and regulations.
Troubleshooting
Tester does not turn on.
Check the battery. Replace if necessary. Ensure the battery is installed correctly.
LEDs are dim or inconsistent.
Replace the battery with a new AAA battery.
Inaccurate readings.
Ensure the testing prongs are clean. Test the brake fluid in a controlled environment to verify accuracy.
Pros and Cons
Pros
Easy to use and understand.
Provides quick and accurate results.
Helps prevent brake failure due to water contamination.
Compact and portable design.
Battery included, ready to use out of the box.
Cons
Not compatible with DOT 5.1 or silicone-based brake fluids.
Requires a AAA battery replacement when depleted.
Setup, Compatibility & Care
Setup: The device is ready to use with the included AAA battery. Simply remove the pen from its packaging.
Compatibility: Ensure the tester is compatible with your brake fluid type (DOT 3, DOT 4, or DOT 5). It is NOT compatible with DOT 5.1 or silicone-based fluids.
Operation: Dip the testing prongs into the brake fluid. The LED indicators will show the water percentage.
Care: After use, clean the testing prongs with a clean cloth. Store the tester in a dry place. Replace the battery when the LEDs no longer illuminate.