The Draper Brake Fluid Tester is a professional diagnostic tool designed to quickly and accurately assess brake fluid condition by measuring water content. This compact tester delivers instant results through a colour-coded LED display, making it an essential tool for workshops, mobile mechanics and vehicle servicing professionals. Simply select the appropriate brake fluid brand using the built-in selector, then immerse the probe in the reservoir for just one second. The tester's LED indicators immediately display the fluid's water content level, helping you determine whether a fluid change is necessary. An integral LED torch illuminates dark brake fluid reservoirs, ensuring clear visibility during testing even in poorly lit engine bays. This brake fluid tester offers excellent compatibility across multiple fluid standards and brands, supporting DOT 3, DOT 4 and DOT 5.1 specifications. It also works with specific branded formulations including AC Delco DOT 3, Pennzoil DOT 3, Prestone D