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QBH WT01 Car Brake Fluid Moisture Tester with Flexible Probe DOT3 DOT4 DOT5.1

Specifications

SKU: QBH WT01 Car Brake Fluid Moisture Tester with Flexible Probe DOT3 DOT4 DOT5.1

Flexible Probe Brake Fluid Tester | Quickly Detect Moisture in DOT Brake Fluid Reservoirs

  • Minimum Order Quantity: 1
  • Case Size(mm): 140 x 50 x 280
  • Brand Name: QBH
  • Model: WT01
  • Test range of oil products: DOT3、DOT4、 DOT5.1
  • Tube Length: Standard 1m, Maximum 20m
  • Tube Length:  275mm Metal Goose Neck
  • Warranty: 1 Year
  • Origin: China (Mainland)
  • Certificates: CE ISO FCC
Categories: 
 

WT01 Car Brake Fluid Moisture Tester

The QBH WT01 brake fluid moisture tester is a professional diagnostic tool designed to measure water content in automotive brake fluids. Monitoring moisture levels in brake fluid is essential for maintaining braking performance and preventing brake system failure.

This brake fluid tester supports DOT3, DOT4, and DOT5.1 hydraulic fluids commonly used in passenger vehicles, trucks, and industrial machinery. By detecting moisture contamination early, technicians can determine when brake fluid replacement is necessary to ensure vehicle safety.

The WT01 features a flexible metal gooseneck probe that allows easy access to deep brake fluid reservoirs. The probe can be bent and positioned to reach narrow or difficult locations inside the brake master cylinder reservoir.

With a clear 2.4-inch LCD display and multi-alert warning system, the device provides instant and reliable test results. The tester combines LED indicators, buzzer alarms, and visual readings to help technicians quickly assess brake fluid condition.

Designed for automotive workshops and professional maintenance technicians, the WT01 brake fluid tester offers fast testing, durable construction, and accurate moisture analysis for brake system diagnostics.

WT01 brake fluid detector with waterproof probe testing DOT4 fluid

Key Features

High Precision Moisture Detection
Measures brake fluid moisture levels from 0.1% to 6% with fast response time.

Brake fluid coolant tester showing 2.3% moisture reading on LCD

Flexible Gooseneck Probe
275mm metal flexible probe allows easy access to brake fluid reservoirs.

Multi-Alert Warning System
LED indicators, buzzer alarm, and screen display provide clear diagnostic feedback.

 

Hydraulic liquid moisture analyzer displaying DOT5.1 test results

Fast Testing Response
Provides accurate brake fluid moisture readings in just 0.5 seconds.

Portable Handheld Design
Compact and easy to use for automotive repair workshops and mobile technicians.

Automotive brake fluid tester in workshop environment

Applications

  • Automotive brake fluid inspection
  • Vehicle maintenance workshops
  • Fleet vehicle maintenance
  • Heavy equipment service
  • Automotive diagnostic testing

Brake fluid detector analyzer used in auto repair shop

Why Mechanics Choose WT01?

  • CE/RoHS certified
  • 5000+ test cycle durability
  • 3-year limited warranty

Expert Maintenance Resources

Professional brake fluid tester kit with accessories

Basic specifications

 

Test range of oil products Measurement
range
Language Backlight Alarm Automatic power off Test time Test mode
DOT3 、DOT4、DOT5.1 0.1%~6% English Yes Yes If there is no operation for five
minutes, the machine will be shut
down automatically
0.5seconds basic mode

 

Test results analysis Power supply Working
temperature
Tube
A: value, < 1%: brake fluid in good condition.
B ≤ 1% ≤ 2.5%, warning, status is OK.
C: ≧3%,when red light flashes, the brake oil is in an unfavorable state;
D: ≧4%,when alarms, the brake oil must be replaced.
9V Alkaline
battery
-10℃~50℃ Metal goose neck
(soft metal tube )

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