

Brake Fluid Oil Tester With Automatic Water Content Alarm Suitable For Dot3/Dot4/Dot5 1 Compact And Portable Design
Key item features
- [WATER CONTENT DISPLAY] Automatically alerts you to brake oil and water content levels, safe driving. Supports multiple oil detection types including DOT3, DOT4, and DOT1 for comprehensive vehicle maintenance.
- [FUNCTION SWITCH KEY] Easily switch between brake oil types with the S key, conserving battery life with automatic shutdown after 5 minutes of inactivity. Convenient pen allows for easy portability.
- [AUDIBLE AND VISUAL PROMPTS] Dual alarms notify you of moisture levels in brake oil, while a high-definition three-color backlight enhances visibility according to detected content.
- [ SHELL MATERIAL] Constructed from ABS material for a comfortable grip and strong resistance to falls, dust, and water. Designed to withstand various automotive environments.
- [USER-FRIENDLY OPERATION] LCD display provides clear readings with moisture detection range from 0% to 4%. Ideal for both DIY enthusiasts and professional mechanics looking to maintain vehicle safety.
Specs
- BrandBAGUER
- Vehicle fitment typeUniversal
- Vehicle typeCar
- FeaturesPortable
- AccessoriesBrake Fluid Tester Pen
- Items includedBrake Fluid Tester Pen
- Free shipping
Free 30-day returns
(Only one option can be selected at a time)
How do you want your item?
Similar items you might like
Based on what customers bought
Brake Fluid Test Pen (Without Battery), Car Brake Liquid Tester Accurate Oil Quality Check Pen Tool(A Testing Pen) $5.59 Was $10.59
$559current price $5.59, Was $10.59$10.59Brake Fluid Test Pen (Without Battery), Car Brake Liquid Tester Accurate Oil Quality Check Pen Tool(A Testing Pen)
Car Brake Fluid Tester Pen,Accurate Digital Oil Quality Check Tool for Vehicle Maintenance and Safety,Brake Tester,Auto Diagnostic Tool,Black,1PC $5.19 Was $6.09
$519current price $5.19, Was $6.09$6.09Car Brake Fluid Tester Pen,Accurate Digital Oil Quality Check Tool for Vehicle Maintenance and Safety,Brake Tester,Auto Diagnostic Tool,Black,1PC
Clearance High-Precision Brake Fluid Moisture Tester Pen - Accurate Detection for Brake Safety, One-Button Operation, Bright LED Indicators, Compact Design for Cars and Motorcycles $7.08 Was $7.87
$708current price $7.08, Was $7.87$7.87High-Precision Brake Fluid Moisture Tester Pen - Accurate Detection for Brake Safety, One-Button Operation, Bright LED Indicators, Compact Design for Cars and Motorcycles
Clearance Brake Oil Tester Tools Brake Fluid Liquid Tester Pen Car Brake Fluid Tester Brake Tester Pen Brake Fluid Testing $8.62 Was $11.42
Clearance
$862current price $8.62, Was $11.42$11.42Brake Oil Tester Tools Brake Fluid Liquid Tester Pen Car Brake Fluid Tester Brake Tester Pen Brake Fluid Testing
Clearance Dreamyjulycar Brake Liquid Tester Accurate Oil Quality Check Pen Tool $4.19 Was $7.29
$419current price $4.19, Was $7.29$7.29Dreamyjulycar Brake Liquid Tester Accurate Oil Quality Check Pen Tool
Clearance Brake Fluid Tester Pen (Automotive Diagnostic Tool, Oil Quality Checker), Digital Readout Identifies Brake Fluid Issues, Car Brake Liquid Tester Accurate Oil Quality Check Pen Tool, By Meiiso $5.64 Was $6.29
$564current price $5.64, Was $6.29$6.29Brake Fluid Tester Pen (Automotive Diagnostic Tool, Oil Quality Checker), Digital Readout Identifies Brake Fluid Issues, Car Brake Liquid Tester Accurate Oil Quality Check Pen Tool, By Meiiso
Clearance High-Precision Brake Fluid Moisture Tester Pen with LED Indicators for Cars, Motorcycles, Trucks $6.17 Was $6.89
Clearance
$617current price $6.17, Was $6.89$6.89High-Precision Brake Fluid Moisture Tester Pen with LED Indicators for Cars, Motorcycles, Trucks
Brake Fluid Oil Tester Waterproof Auto Brake Fluid Tester Automotivo Accessories $11.14
$1114current price $11.14Brake Fluid Oil Tester Waterproof Auto Brake Fluid Tester Automotivo Accessories
Brake Fluid Test Pen (Without Battery) Yxwen, A Testing Pen, Car Brake Liquid Tester Accurate Oil Quality Check Pen Tool $4.09
$409current price $4.09Brake Fluid Test Pen (Without Battery) Yxwen, A Testing Pen, Car Brake Liquid Tester Accurate Oil Quality Check Pen Tool
OEMTools Mechanic's Stethoscope $14.99
$1499current price $14.99OEMTools Mechanic's Stethoscope
NZRUANE Brake Fluid Tester Pen for DOT3/DOT4/DOT5 Accurate Oil Quality Diagnostic Tools LED Car Pen Indicator Liquid Testing F9F8 $7.56
$756current price $7.56NZRUANE Brake Fluid Tester Pen for DOT3/DOT4/DOT5 Accurate Oil Quality Diagnostic Tools LED Car Pen Indicator Liquid Testing F9F8
Brake Fluid Moisture Tester Pen, One-Button Operation with 5 LED Indicators for Accurate Water Content Detection, Automotive Brake Tester Tool for Cars, Motorcycles, Trucks $5.69
$569current price $5.69Brake Fluid Moisture Tester Pen, One-Button Operation with 5 LED Indicators for Accurate Water Content Detection, Automotive Brake Tester Tool for Cars, Motorcycles, Trucks
Brake Fluid Oil Tester Waterproof Auto Brake Fluid Tester Automotivo Accessories Auto Accessories $14.84
$1484current price $14.84Brake Fluid Oil Tester Waterproof Auto Brake Fluid Tester Automotivo Accessories Auto Accessories
Brake Fluid Testing Pen (Without Battery) electric tool, A Testing Pen Electrical Tools, Black $3.79 Was $6.84
$379current price $3.79, Was $6.84$6.84Brake Fluid Testing Pen (Without Battery) electric tool, A Testing Pen Electrical Tools, Black
Brake Fluid Tester Auto Digital Tester Oil Quality Check Pen Sound Light Alarm $12.44
$1244current price $12.44Brake Fluid Tester Auto Digital Tester Oil Quality Check Pen Sound Light Alarm
Clearance I-629 Automotive Battery Tester Car Diagnostics Simple Use Compact Design Voltage Check Tool $4.19 Was $4.99
Clearance
$419current price $4.19, Was $4.99$4.99I-629 Automotive Battery Tester Car Diagnostics Simple Use Compact Design Voltage Check Tool
Clearance unbranded 2pcs Brake Fluid Tester Oil Moisture Checking Tool Brake Fluid Liquid Testing Tool $9.87 Was $13.93
Clearance
$987current price $9.87, Was $13.93$13.93unbranded 2pcs Brake Fluid Tester Oil Moisture Checking Tool Brake Fluid Liquid Testing Tool
Brake Fluid Tester Brake Oil Detection Pen Support DOT 3.0/5.1 Brake Fluid Diagnostic Tool 5 Levels Measurement $10.45
$1045current price $10.45Brake Fluid Tester Brake Oil Detection Pen Support DOT 3.0/5.1 Brake Fluid Diagnostic Tool 5 Levels Measurement
Cadorn High - Precision Brake Fluid Moisture Tester Pen - Accurate Brake Fluid Check Tool $4.96
$496current price $4.96Cadorn High - Precision Brake Fluid Moisture Tester Pen - Accurate Brake Fluid Check Tool
POROMETISTO-FT01 Brake Fluid Tester with 8.5-Inch Corrosion Resistance Gooseneck Flexible Probe, Testing for DOT3/4/5.1, Brake Fluid Tester Pen with Light, Data Hold, Backlight Alarm for Auto $17.99 Was $21.00
$1799current price $17.99, Was $21.00$21.00POROMETISTO-FT01 Brake Fluid Tester with 8.5-Inch Corrosion Resistance Gooseneck Flexible Probe, Testing for DOT3/4/5.1, Brake Fluid Tester Pen with Light, Data Hold, Backlight Alarm for Auto
33.7 out of 5 Stars. 3 reviews
About this item
Product details
Feature:
1.Water Content Value Display: Automatic alarm for excessive brake oil and water content, and support multiple oil detection DOT3/DOT4/DOT5.1. High for precision metal probe, accurate measurement, long service life, easy to.
2.Function Switch Key: After starting, press S key to switch to DOT3/DOT4/DOT5.1, and press S button to switch the brake oil type(default is DOT3). Energy saving and low power consumption. After about 5 minutes, without any, the instrument will automatically shut down. The back is designed with a portable pen clip for easy carrying.
3.Audible and Visual Dual Prompt: When the water content of brake oil is detected, the display screen and buzzer will give dual prompts. The high-definition three color backlight screen automatically matches the backlight of the appropriate color according to the measured content.
4.Shell Quality: ABS material, comfortable grip, strong resistance, fall prevention, dust prevention and waterproof.
5.Satisfaction Guarantee: We strive to provide each customer with the highest standard of customer service to for ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel to contact us directly.
Specification:
Display: LCD
Moisture detection range: 0%~4%
Accuracy:± 0.3%
Water content of brake oil: 0~2%, which can be used normally
Water content of brake oil: less than 2.5%, still usable
Water content of brake oil: more than 3%, replacement required
Operating ambient temperature: 0℃~40℃
Alarm mode: Audible and visual alarm
Probe format: Oval
Backlight: Red and green backlight
Moisture indicator: The buzzer changes from slow to fast, the backlight color changes from green to red, and the value displayed on the LCD changes from small to large
Automatic stop: After about 5 minutes of automatic stop, there is no key and no inductive signal
Battery undervoltage indicator: Yes
Power supply: 2x1.5v AAA battery(not included)
Size: About 157x27x23mm/6.18x1.06x0.91inch
Tips: After each test, wipe the liquid part of the test point with a dry cloth or paper towel
UniversalFitment=YES
Includes:
1* Brake Fluid Tester Pen
Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.
- [WATER CONTENT DISPLAY] Automatically alerts you to brake oil and water content levels, safe driving. Supports multiple oil detection types including DOT3, DOT4, and DOT1 for comprehensive vehicle maintenance.
- [FUNCTION SWITCH KEY] Easily switch between brake oil types with the S key, conserving battery life with automatic shutdown after 5 minutes of inactivity. Convenient pen allows for easy portability.
- [AUDIBLE AND VISUAL PROMPTS] Dual alarms notify you of moisture levels in brake oil, while a high-definition three-color backlight enhances visibility according to detected content.
- [ SHELL MATERIAL] Constructed from ABS material for a comfortable grip and strong resistance to falls, dust, and water. Designed to withstand various automotive environments.
- [USER-FRIENDLY OPERATION] LCD display provides clear readings with moisture detection range from 0% to 4%. Ideal for both DIY enthusiasts and professional mechanics looking to maintain vehicle safety.






