Brake Fluid Tester LED Moisture Water Indicator Compact Test Pen Diagnostic Tool
Brake Fluid Tester LED Moisture Water Indicator Compact Test Pen Diagnostic Tool. How To Check The 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. Green: Battery OK, i. No Water Contained in the Brake Fluid. Yellow: Less than 1% of Water Content in Brake Fluid. Yellow/Yellow: Approximately…