Thank you very much for choosing this test pen!!!
The test pen can be used as brake oil detection and is suitable for judging the quality of brake oil. lt is specially developed for car repair and maintenance.The quality is CE tested and certified, and 5 LED indicators determine the quality of brake oil.
Preparation for brake oil test:
According to the positive and negative pole to install the No.7 battery(AAA1.5V)on the detection pen, unplug the detection pen probe cover and immerse the detection pen probe into the brake oil, immerse the probe in more than 1.5cm,test for more than 3 seconds. and then look at the test results.
Method of detecting brake oil:
Press the switch at the top, the green light will light up, insert the detection pen into the brake oil tank for more than 3 seconds, and the test results will be displayed correctly. The detection pen has a power-saving mode, with an automatic shut down function of about 15 seconds.lf you need to continue test, please press the switch at the top again,before and after the test, you should use dry cloth or paper, wipe off the liquid at the probe test.
Description of product indicator light:
Green light: no water in the brake fluid,the brake fluid is great.
Green light/yellow light: the water content in the brake fluid is 1%, the brake fluid is good.
Green light/yellow light/yellow light: the water content in the brake fluid is 2%,the brake fluid is OK.
Green light/yellow light/yellow light/red light: the water content in the brake fluid is 3%, the brake fluid is bad,Need to
replace brake fluid.
Green light/yellow light/yellow light/red light/red light: the water content in the brake fluid is 4%, the brake fluid is
terrible.lt must be replaced immediately.
Precautions:
If the green light is not on after pressing the switch for a long time, please replace the battery.After each use, please clean the detection pen probe with clean water.Wipe the liquid at the probe test with a dry cloth or paper.lf not wiped clean, it may affect the accuracy of the test. Inaddition, Please do not Leave the brake oil exposed to the air for a long time,because the brake oil has high water absorption.