Capable of measuring moisture content from 0 to 4 percent, this brake fluid tester determines the quality of DOT 4 fluid. It utilizes LED lights to display moisture levels and includes an automatic shut-off that triggers after 12 seconds of inactivity. The tester operates on an included 1.5V AAA battery.

Capable of measuring moisture content from 0 to 4 percent, this brake fluid tester determines the quality of DOT 4 fluid. It utilizes LED lights to display moisture levels and includes an automatic shut-off that triggers after 12 seconds of inactivity. The tester operates on an included 1.5V AAA battery.