1,To check the car brake fluid quality
2,5 LED lights to display the percentage of moisture content in brake fluid
3,2 LR44 button batteries (not included)
4.auto power off
1, the green LED lights = water content in the brake fluid H2O <1.5%,the brake fluid is qualified.
2, the yellow LED lights = brake fluid water content H2O = 1.5% to 3%,it can continue to use,test again six months later
3, the red LED lights = water content in the brake fluid H2O> 3%, can not continue to use and it need to be replaced
4.Red LED: change brake fluid
5, LED red flashing: battery replacement
6, LED yellow: low moisture content, check again in six months
7, LED green: brake fluid lines/cell row
1.Five LED indicators show the test results more accurate.
2.Testing DOT 3, DOT4, DOT5 brake fluid
3.Press the switch to turn on the power, the green LED light that represents the battery properly, the green light does not shine that mean you need to change the battery.
Green: Battery is ok,there is no water in brake fluid
Green/yellow: Water content <1%,brake fluid performance is good,you can feel free to use.
Green/yellow/yellow: Water content < 2%, brake fluid can continue to be used.
Green/yellow/yellow/red: Water content >3%, it advice to replce the brake fluid.
Green/yellow/yellow/red/red: Water content >4%, the brake fluid must be replaced immediately.