WADFOW Digital LCD Brake Fluid Tester Pen - Moisture Analyzer for DOT3/4/5.1

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✨ Don't Guess with Your Brakes.. WADFOW Digital Brake Fluid Tester! ✨

Brake fluid is hygroscopic, meaning it absorbs water over time, leading to brake failure and corrosion. The WADFOW Digital Tester is a precision diagnostic tool that measures the moisture content in your brake fluid instantly.

Unlike standard LED testers, this model features a clear LCD Screen that displays the exact percentage of water. Compatible with DOT3, DOT4, and DOT5.1, it alerts you with sound and light alarms if the fluid is unsafe. Compact, accurate, and essential for vehicle safety.

✅ Key Features:

  • LCD Digital Display: Provides precise moisture readings (0% - 4%) for accurate diagnosis.
  • Universal Compatibility: Works with DOT3, DOT4, and DOT5.1 fluids.
  • Safety Alarms: Features a Sound and Light Alarm system for dangerous moisture levels.
  • High Sensitivity: Quick response probe detects water content instantly.
  • Battery Saving: Auto power-off function extends battery life.
  • Compact Design: Pen-style tester fits easily in any toolbox or glovebox.

📋 Technical Specifications:

  • Brand: WADFOW.
  • Display: Digital LCD.
  • Range: 0% ~ 4% Moisture.
  • Fluid Types: DOT3, DOT4, DOT5.1.
  • Power: 2x AAA Batteries.
  • Origin: China.

❓ FAQ:

  • Q: What does 4% mean?
  • A: 4% means dangerous water content. The boiling point is dangerously low, and fluid must be changed immediately.
  • Q: Does it fit in the reservoir?
  • A: Yes, the probe is slim enough to fit into most master cylinder reservoirs.

💡 Frequently Bought Together:

  1. Safety Gloves


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