- Car Essential Tool: Once the water content in the brake fluid reaches or exceeds 3%, will lead to a decrease in braking power, resulting in brake failure. Our brake fluid tester providing you with fast and accurate readings for your driving secure
- 3-Gear Detection: Our brake fluid moisture tester can detect DOT3, DOT4, and DOT5.1 brake fluid. You can make adjustments by pressing the green S-button, and there will text identified on the left side of the display, and defaults to DOT3 when powered on
- Double Alarm: When brake fluid tester’s screen display 0~2%, green light, is usable brake fluid; 2~3%, yellow light and slow clattering, should change the fluid. Greater than 3%, bright red light and rapid buzzing, please change the fluid immediately
- Warm Reminder: 2 AAA 12V batteries are not included in our brake fluid tester, you need to buy them by yourself. Check the probe for dirt or breakage before use, after using, protect the detection head in order not to affect your detection accuracy
- Use Method: You need to press the red power button of the brake fluid tester pen, and fully immerse the metal part of the pen in the liquid, the screen will display the test results. After testing, please clean the probe head and put on protective cover


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Car Brake Fluid Tester Pen with Buzzer Alarm&3 Colors Backlight,Brake Fluid Moisture Tester Calibrated DOT3 DOT4 DOT5.1 Brake Fluid,Universal Car Accessories Brake Fluid Test…
*$253.00
Informação adicional
Brand | carleef |
---|---|
Material | Acrylonitrile Butadiene Styrene |
Current Rating | 5 Amps |
Measurement Accuracy | 0.003 |
Measuring Range | 12V-1000V, 48V-1000V |
Mounting Type | Surface Mount |
Output Type | Display Screen |
Response Time | 5 minutes |
Sensing Distance | 0.04 Inches |
Specific Uses For Product | Tests Automotive Brake Fluid |
Upper Temperature Rating | 40 Degrees Celsius |
Manufacturer | carleef |
Style | Brake Fluid Moisture Tester |
Product Dimensions | 6.85"D x 1.03"W x 0.86"H |
Item Weight | 1.93 ounces |
Country of Origin | China |
Item model number | Brake Fluid Tester Pen |
Manufacturer Part Number | ‎‎carleef-Gong Ju Lei |
Voltage | 12 Volts |
Date First Available | November 12, 2024 |
Kindle Customer –
Comes in a small cardboard box with a basic manual. Used this to test a brand new bottle of DOT 3 and it came back with 0.4% I found this a bit strange as I would of thought that a new bottle would read 0%, I then tested this on plain water and it read 2.6% again I would think it would read 100%. Used this on my car next with fluid that’s about 2 years old and got a reading of 2.6, I have no way of testing if the reading are accurate but after 2 years of the fluid being in the car I would say its pretty close?
Cons:- The battery spring on the positive side(+) is too large for the AAA battery and doesn’t make contact. I had to wrap a thin metal tab around 1 battery to get it to make full contact.
I cant fully recommend this because of the battery issues, I took the time to figure out why it wasn’t working most would just return it and for the accuracy of the reading I would think a fresh bottle of brake fluid would read 0 and water would show 100%. that was not the case.
Jennifer Perez –
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I didn’t know about the existence of an article like this. For me, it has been very useful because my brake pads are new and even so, the braking felt a little deficient. When I got this meter, I could notice that the brake fluid had a lot of it and when I replaced it, the braking is more precise. This can measure DOT3, DOT4, and DOT5.1 brake fluids, which is used to measure the quality of the brake fluid in a wide range of vehicles. It also includes a sound that notifies you when the moisture levels in the fluid exceed the moisture limit. It has a screen that uses colors to indicate the status of the brake fluid. It provides me with accurate measurements to evaluate the quality of the brake fluid and I can prevent failures in the brake system. It is compact and easy to use. I recommend it to maintain the performance and safety of the brake system.