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Universal Brake Fluid Tester Oil Quality Check Pen Car Brake Liquid Digital Tester Vehicle Auto Automotive Testing Tool
Brake Fluid TesterÂ
To Check Fluid Quality:
Press the button for power on, green LED will light up.
Insert the tester into reservoir for a second , then the results will be indicated correctly by LEDs.
Auto power off .
Indications:
Green: Battery OK, i.e.: No Water Contained in the Brake Fluid
Yellow: Less than 1% of Water Content in Brake Fluid
Yellow/Yellow: Approximately 2% of Water Content in Brake Fluid
Yellow/Yellow/Red: Approximately 3% of Water Content in Brake Fluid; Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
The Brake Fluid  Should be Changed
Yellow/Yellow/Red/Red: at least 4% of Water Content in Brake Fluid; Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
The Brake Fluid Must be Changed Urgently, Extreme Danger .
Good feedback ,can buy it with confidenceÂ
