DUOYI DY23B Car Brake Fluid Tester Accurate Test Automotive Brake Fluid Water Content Check Universal Oil Quality DOT 3/4/5

DUOYI Car Brake Fluid Tester DY23B Accurate Test Automotive Brake Fluid Water Content Check Universal Oil Quality DOT 3/4/5

Why We Must Have?

Brake pressure was transmitted by brake fluid, the pressure transmission will out of function once brake fluid including too much water. In order to safe-driving, we must test water ratio scale in brake fluid regularly. The brake fluid tester help us do current maintenance, make sure we drive in safety condition.

DY23B Operation Manual:

1 Install one pcs of 9V(6F22) battery at the back of tester.
2. After inserting the battery, press POWER button to turn on the tester, all analog bars turns off with buzzer sounding, indicates the product self-test is successfully finished.
3. Press DOT3, DOT4, DOT5.1 button to switch brake fluid type to test.
4. Get the probe into brake fluid, At this moment, the number of analog bars shows the water ratio in the liquid. When the water ratio is more than 3%, the LCD screen backlight will turn red, and the buzzer will alarm that the brake fluid needs to be replaced.
5. Press POWER button to turn off the tester.

DY23B Other Functions:

1. Mute function.
2. LCD backlight function.
3. Battery check.
4. Low voltage warning.

HD backlight dual display

Support backlight display glare and easy reading  day and night.

Package include:

1x Brake fluid tester
1x User manual (in English)
battery not include

Attention Please:

Because items with batteries can not be shipped by post air mail, the package does not include battery.