Mini LED Car Brake Fluid Tester Pen Brake Liquid Testing Examiner Detector Vehicle Diagnostic Tool Check for DOT3/DOT4/DOT5 Battery

LED Car Brake Fluid Tester Pen Examiner Electronic Tool Detector Universal Vehicle AutomotiveD Car Brake Fluid Tester Pen Description: The tester can be used as a digital brake fluid tester suitable for determining brake fluid quality. Developed for professional use in automotive repair shops and in servicing. Quality is tested and indicated on five LEDs in terms of"per cent of water in the brake fluid". Ready for Brake Fluid Test: Unscrew the brake fluid reservoir,and pull off the cap of the Brake fluid tester. Dip the test probes into the brake fluid up to the plastic rim of the device. To Check Fluid Quality: Press the button for power on,green LED will light up. Insert teh tester into reservoir for one second then the test result will be correctly indicated by LEDs. Repress the button for power off.The tester will automatically power off after about 15 seconds of inactivity. Product Labelling Indication: Green: Battery OK,i.e.: No water contained in the brake fluid. Yellow: Less than 1% of water content in the brake fluid. Yellow/yellow: Approx.2% of water content in brake fluid. Yellow/yellow/red: Approx.3% of water content in brake fluid. The brake fluid should be changed. Yellow/yellow/red/red: At least 4% of water content in brake fluid. The brake fluid should be changed urgently. Extreme danger. Specification Product: Car Brake Fluid Tester Pen Color: Black Size: 6.05 inch LED: 5 Battery: 1x AAA (Not Included) Quantity: 1pcs Package included: 1x Car Brake Fluid Tester Pen