Brake Fluid Tester – DOT3, DOT4, DOT5.1 Moisture Meter with LED & Buzzer Alarm
Ensure safe braking with this easy-to-use Brake Fluid Tester. Instantly check moisture levels in DOT3, DOT4, and DOT5.1 brake fluid using a color-coded display and buzzer alarm. Compact, accurate, and essential for mechanics and vehicle owners.
Set Includes:
- 1 x Brake Fluid Tester
- English Instruction Manual
- Standard factory Packaging
Product Description
Specifications
Protect your vehicle from brake failure with this compact and reliable Brake Fluid Tester. Designed to measure moisture content in DOT3, DOT4, and DOT5.1 brake fluids, this device provides fast, accurate results—helping you know exactly when it’s time for a fluid change.
With its intuitive color backlight and audible buzzer alarm, the tester instantly alerts you to unsafe moisture levels. Simply dip the sensor in the reservoir and view the results: Green (Safe), Yellow (Change Soon), and Red (Change Immediately). It’s lightweight, battery-powered, and equipped with auto shut-off and low battery warning for everyday reliability.
A must-have tool for workshops, mechanics, and car owners focused on safety and preventative maintenance.
Key Features:
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Compatible with DOT3, DOT4, and DOT5.1 brake fluids
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Measures moisture content from 0% to 4%
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Color-coded backlight:
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Green (0–2%): Safe
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Yellow (2–3%): Change Soon (slow beep)
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Red (3%+): Change Immediately (fast beep)
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Built-in buzzer for audible alerts
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HOLD function for easier reading
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Auto power-off after 5 minutes of inactivity
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Low battery indicator
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Compact, portable, and easy to use
Ideal For:
✔️ Automotive technicians and garages
✔️ DIY car maintenance
✔️ Safety inspections and routine service