Tester of Brake Fluids of 2025
Best Choice1
TESMENTESMEN TBF-300 Brake Fluid Tester with 8.5-Inch Corrosion Resistance Gooseneck Probe, Testing for DOT3, DOT4, DOT5.1, Brake Fluid Tester Pen with Light, Data Hold, Backlight Alarm for Auto Care-Green
Main highlights- What will you get: TESMEN TBF-300 Brake Fluid Tester comes with 2*1.5V AAA batteries, a user manual. Additionally, it comes with a custom storage pouch that helps protect the metal probes from wear and tear while also preventing loss
- Precise Measurement: TESMEN TBF-300 Brake Fluid Tester supports DOT3, DOT4, and DOT5.1 brake fluid types, providing accurate readings within the 0%-4% range that is perfect tool for both service professionals and DIY enthusiasts
- Large Display for Easy Reading: TESMEN TBF-300 Brake Fluid Tester features an enlarged screen and a data retention function, ensuring clear and convenient reading and recording of measurements
- Enhanced Functionality: TESMEN TBF-300 is equipped with an flashlight illumination to ensure that your tests are not affected by ambient light. This feature enables accurate testing even in low light or dark conditions, increasing the convenience and versatility of the tester while providing a more comprehensive inspection experience
- Corrosion-resistant and Clean: TESMEN TBF-300 brake fluid tester features a corrosion-resistant metal probe paired with an 8.5-inch adjustable gooseneck. This design ensures flexible operation while preventing device corrosion and maintaining cleanliness, ultimately extending the tester's lifespan
9.9Exceptional
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Value for Money2
POROMETISTOBrake Fluid Tester POROMETISTO FT01, Brake Fluid Moisture Tester with 8.5-Inch Corrosion Resistance Probe, Brake Fluid Detector with Flashlight, Data Hold, Backlight Alarm for DOT3, DOT4, DOT5.1-Black
Main highlights- What will you get: POROMETISTO FT01 brake fluid detector, 2*1.5V batteries, instruction manual, box
- Three-color Backlight + Buzzer Reminder: bright green backlight indicates that the brake fluid is usable; bright yellow backlight, slow buzzer, please replace the brake fluid; bright red backlight, fast buzzer, please replace the brake fluid immediately
- Multi-function: This automotive brake fluid testing tool has a flashlight, can measure in a dark environment, automatically shuts down, has data hold, and low battery prompts. Whether it is daily vehicle maintenance at home, repair and maintenance at a car shop, or a vehicle breakdown and a need to troubleshoot brake problems, this brake oil detector is a reliable vehicle detection tool
- High-precision Metal Probe: This brake fluid tester pen is equipped with a high-precision metal probe and an 8.5-inch corrosion-resistant metal hose. The probe can be operated flexibly in a small space, and the rigid support provides stable and easy cleaning
- Fast and Accurate Measurement: This brake fluid tester has an accuracy of up to ±0.3% and a detection range of 0% - 4%. It can detect DOT3, DOT4, and DOT5.1 fluids. FT01 Brake Fluid Liquid Tester is an ideal tool for professional maintenance personnel, DIY enthusiasts, car owners, or brake fluid quality testers
9.8Exceptional
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3
ITEQ18% OffITEQ Brake Fluid Liquid Tester Pen with 5 LED Indicators, Calibrated For DOT3 DOT4 Brake Fluid
9.3 Simple to use8.7 Precision8.0 lasts a long timeWhy we love it
Quickly checks brake fluid quality to prevent accidents.
Easy-to-read LED indicators show water percentage clearly.
Simple and fast results in seconds, very user-friendly.
9.6Exceptional
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4
YOGEIERBrake Fluid Liquid Tester Pen,1PC DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Car Diagnostic Testing Tool with 5 LED Indicators, Hydraulic Fluid Liquid Oil Moisture Analyzer
Main highlights- Scope of application: This brake fluid tester is suitable for testing the moisture content in DOT-3, DOT-4, DOT-5.1 brake fluid. It is also very convenient for personal use and this product is widely used in personal workshops, repair shops and dealer workshops.
- Safe driving: This brake fluid tester comes with 5 LED indicators to show the percentage of moisture in the brake fluid. This product can quickly detect the health of the car's brake fluid, provide you with more accurate test results, and remind you to replace the brake fluid when necessary to avoid traffic accidents.
- High quality: This brake fluid tester is made of nickel-plated metal probe, which is resistant to oil and oxidation and not easy to corrode. The shell is black matte plastic, better anti-slip and good body texture. The change of conductivity can be used to determine the change of moisture in the brake fluid.
- Easy to carry: No cable connector design, small size, light weight, easy to carry and use. If you encounter any problem when using this product, please contact us and we will try our best to solve it for you.
- Convenient and quick: This brake fluid tester is easy to use, press the button, insert the test pen, the indicator is accurate to 1%, and you can receive the result in seconds. To save electricity, the test pen will automatically turn off the power after 20 seconds each use to save power.
9.5Excellent
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5
KAIWEETS12% OffKAIWEETS Brake Fluid Tester Pen with Corrosion Resistance Probe, High-Precision Brake Fluid Moisture Tester with Data Hold Function, Buzzer Alarm, 3 Colors Backlight, Calibrated for DOT3, DOT4, DOT5.1
Why we love it
Durable and corrosion-resistant design.
Quick and precise measurements.
User-friendly with convenient alerts.
9.4Excellent
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6
BSBMIEQMBSBMIEQM Brake Fluid Liquid Tester, Auto Brake Diagnostic Testing Tool, Oil Moisture Analyzer with 5 LED Indicators, Auto Brake Diagnostic Checker Tool for DOT3 DOT4 Brake Fluid，Father'Day Gift
Main highlights- USEFULL : Supports DOT3 DOT4 DOT5 brake fluid .
- PROTECTS YOU & YOUR CAR : Check the health status of DOT3, DOT4 car brake fluid, Brake Fluid Tester Pen can be used as a digital brake fluid tester suitable for determining brake fluid quality. It will be safe for your driving1
- EATY TO USE : Press the button , Insert the tester into reservoir for one second then the tester result will be correctly indicated by LEDs.Repress the button for power off.
- EASY TO CARRY : Small size ,you can take it in pocket , take 1 AAA 1.5V battery. automatic shutdown after about 15 seconds of inactivity
- 5 LEDS : 5 LED display lights the percentage of moisture content in the brake fluid, as the test results are more accurate
9.1Excellent
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7
TESMENTESMEN TBF-200 Brake Fluid Tester with 8.5-Inch Corrosion Resistance Gooseneck Probe, High-Precision Brake Fluid Tester Pen with Data Hold, 3 Colors Backlight Alarm for DOT3, DOT4, DOT5.1-Green
Main highlights- What will you get: TESMEN TBF-200 Brake Fluid Tester comes with 2*1.5V AAA batteries, a user manual. Additionally, it comes with a custom storage pouch that helps protect the metal probes from wear and tear while also preventing loss
- Versatile and Feature-Rich: TESMEN TBF-200 Brake Fluid Tester is a comprehensive inspection tool, compatible with three types of brake fluids: DOT3, DOT4, and DOT5.1. Additionally, it features a data hold function, making it easy to record measurements during testing
- Efficient Measurement and Quick Readout: TESMEN TBF-200 is equipped with a digital display and a tri-color backlight alarm system. With a measurement range of 0%-4%, it allows you to quickly draw conclusions based on the clearly displayed values
- Corrosion-resistant and Clean: TESMEN TBF-200 brake fluid tester features a corrosion-resistant metal probe paired with an 8.5-inch adjustable gooseneck. This design ensures flexible operation while preventing device corrosion and maintaining cleanliness, ultimately extending the tester's lifespan
- Compact and Portable for Easy Use: Weighing only 0.15lb and featuring a convenient back clip, the TESMEN TBF-200 is designed for easy portability. Its user-friendly design makes it an essential tool for ensuring your safety and peace of mind
8.8Very Good
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8
AicevoosAicevoos NF Brake Fluid Tester Pen Brake Fluid Test Strips, Calibrated for DOT3 DOT4 DOT-5.1 Brake Fluid
Why we love it
Universal compatibility for most vehicles.
Quick and easy brake fluid testing.
Compact design for portability.
8.7Very Good
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9
Phoenix Systems29% OffPhoenix Systems 8006-B Double-Ended Brake Fluid + Coolant Test Strips (15 foil wrapped test strips), 1 Pack
Why we love it
Easy to use and quick results.
Prevents unnecessary fluid changes.
Recommended by Tesla.
8.6Very Good
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10
KINGBOLENBrake Fluid Tester, High Precision Car Brake Fluid Detector, Hydraulic Fluid/Liquid/Oil Moisture Analyzer with LCD Screen Audible Alarm DOT3 DOT4 DOT5.1 Tester,Automotive Replacement Level Sensors
Main highlights- [W-ORRY-F-REE SERVICE] --- The package doesn't include battery, please buy batteries in your local market. And We offer 1 year W-arranty. If you cannot confirm its compatibility, please feel f-ree to consult us. support@kingbolen.com. Automotive Replacement Brake Fluid Level Sensors.
- [Scope of Application] --- Automotive Brake Fluid Detector is common fit for most vehicle. Check the health status of DOT-3, DOT-4, DOT-5.1 brake fluid and also most synthetic brake fluids. It's extremly convenient for personal use and broadly applied in individual workshops, repair factories and dealer workshops.
- [Premium quality and ergonomic design] --- body with good texture, compact size, perfect hand feeling. Gooseneck surface oils and oxidation resistant, not easily corrosive. Simple control panel, easy to use. Probe top with flash light, you can observe the colour of the brake fluid if needed.
- [Precision test and universal probe] --- Highly sensitive and precise probe, can quickly and accurately detect DOT-3, DOT-4, DOT-5.1 brake fluid and has received the result in seconds. The gooseneck probe provides flexibility in detection, making the detection process more elastic and efficient. Probe top with flash light, you can observe the colour of the brake fluid if needed.
- [Easy Instant Read and Alarm] --- High sensitive probe + high resolution screen + audible alarm, instant display result, large display with backlight, easy and clear reading in sun or night. NEVER LIMITED BY THE ENVIRONMENTS. As soon as brake fluid sounds too much water alarm, it will remind you that you need to change the brake fluid.
8.4Good
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