Digital Brake Fluid Moisture Tester for DOT3/DOT4/DOT5.1 — 0–4% Range with Color Backlight & Audible Alarm

Description

This Brake Fluid Tester quickly checks moisture content (0-4%) in DOT3, DOT4, and DOT5.1 brake oil, ensuring optimal braking performance. The color-coded backlight (Green / Yellow / Red) + buzzer alarm instantly warns when fluid needs changing. Compact, easy-to-use, and essential for mechanics, car owners, and garages to prevent brake failure.

Features:

• Data HOLD
• Low battery indicator
• Auto power-off after 5 minutes with no operation
• Color backlight indicator with buzzer alarm
  • GREEN (0-2%) = Safe
  • YELLOW (2-3%) = Change Soon (slow beep)
  • RED (3%+) = Change Immediately (fast beep)

Specifications:

• Detection Range: 0~4%
• Error Range: ±0.3%
• Brake Oil Type: DOT3, DOT4, DOT5.1
• Operation Environment: 0~40°C
• Storage Environment: -10~50°C; ≤95%
• Altitude: ≤2000m
• Battery: 2 x 1.5V AAA battery

Set Includes:

• 1 x Brake Fluid Tester
• English Instruction Manual
• Standard factory Packaging

Explore more from our collection.