Brake Fluid Tester

Comparative electrolytic type tester.
Checks moisture content of fluid by resistance to electric current.
Easily calibrated using new brake fluid.
Audible test cycle with three LED read-out.
Just insert probe and press-button for immediate result.
Works on DOT 3, 4 and 5.1 specification fluids.
Powered by a 9V battery (not included).
Model No. VS027