Brake pressure was transmited by brake fluid, the pressure transmit will out of function once brake fluid include too much water.
For safe-driving, we must test water ratio scale in brake fluid regularly.
DUOYI DY23 brake fluid tester help us do current maintenance, make sure we drive in safety condition.
Brake fluid tester with 250mm goose neck probe provides flexibility of detection
Chromed detector resistant to oils and oxidation; 2.2 inch LCD display with backlit provide intuitive interface
Hand-held size provide one hand operation experience
Buzzing and red light double alarm system, test result is clear absolutely
Type: Brake fluid tester
1. Install one 9V(6F22) battery at the back of tester.(battery not include)
2. After inserting the battery, press POWER button to turn on the tester, all LEDs lights turn on with buzzer sounding,
indicates the product self-test is successful.
3. Press SELECT button, it will locate DOT3 model automatically.
4. Each time you push the SELECT button, it will recycle from DOT3 to DOT4 to DOT5.1 with the indicator LEDs.
5. Immerse the probe into brake fluid, the different colored LED lights mean as below:
Green Light: indicates the brake fluid water content is below 1%
The First Yellow Light: indicates the brake fluid water content is approximately 1.5%
The Second Yellow Light: indicates the brake fluid water content is approximately 2.5%
The First Red Light: indicates the brake fluid water content is approximately 3%
The Second Red Light: indicates the brake fluid water content is more than 4%
6. Press POWER button to turn off the tester.
1. After use, please clean the probe and avoid any retention of stains that might affect the test.
2. If in use for a long time, best to remove all batteries and store in a dry place at normal room temperature.
1x Brake fluid tester
1x User manual (in English)
(battery not included)
Check security tips 1. security. 2 . attention . 3. warning.