Laser Brake Fluid Tester - Laser 4875
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Product Information
Full details
This guide helps users of the Laser Brake Fluid Tester (4875) understand how to use it for safely maintaining their vehicle's brake system. It's designed for anyone who wants to quickly and accurately check the water content in brake fluid, ensuring optimal braking performance and safety. A key benefit is the easy-to-read LED indicators that provide instant results, but it's important to note that this tester is only suitable for DOT 3, DOT 4, and DOT 5.1 brake fluids, and not for silicone-based DOT 5.
All features
| Model Part Number | 4875 |
|---|---|
| Brand | Laser |
Extended Product Information
FAQs
What types of brake fluid can I test with this device?
You can test DOT 3, DOT 4, and DOT 5.1 brake fluids.
Can I use this tester on DOT 5 brake fluid?
No, this tester is not suitable for silicone-based DOT 5 brake fluid.
How do I interpret the LED lights?
Green means OK, Yellow means less than 1% water, Yellow/Yellow means 2% water, Yellow/Yellow/Red means 3% water (change fluid), Yellow/Yellow/Red/Red means 4% water (replace fluid).
What kind of battery does the tester use?
The tester uses a single AAA battery, which is included.
How often should I test my brake fluid?
It is recommended to test your brake fluid regularly, at least once a year, or as part of your vehicle's routine maintenance.
How do I clean the tester?
Wipe the probe with a clean, dry cloth after each use. Ensure the device is stored in a dry location.
What does it mean if I get a red LED reading?
A red LED reading indicates a high water content (3% or 4%), meaning that the brake fluid should be changed immediately to ensure safe braking performance.
Troubleshooting
Tester does not turn on.
Check the battery. Replace if necessary. Ensure the battery is installed correctly.
Inaccurate readings or no LED lights.
Clean the probe with a dry cloth. Make sure the probe is fully submerged in the brake fluid. If the issue persists, the tester may need replacement.
Pros and Cons
Pros
- Easy to use, providing quick results.
- Helps prevent brake failure due to water contamination.
- Color-coded LEDs make results easy to interpret.
- Suitable for a range of brake fluid types (DOT 3, 4, 5.1).
- Comes with a battery, so it's ready to use.
Cons
- Not compatible with silicone-based DOT 5 brake fluid.
- Requires a AAA battery.
- Testing only assesses water content, not other fluid properties.
- Requires proper interpretation of LED indicators.
Setup, Compatibility & Care
- Setup: The tester includes a AAA battery. Ensure it is correctly installed.
- Compatibility: This tester is compatible with DOT 3, DOT 4, and DOT 5.1 brake fluids. It is *not* compatible with silicone-based DOT 5 fluid.
- Care:
- Clean the probe after each use with a clean, dry cloth to remove any brake fluid residue.
- Store the tester in a dry place to prevent damage.
- Do not immerse the tester in any fluid.
- Replace the battery when the green LED no longer illuminates during testing.