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).