The draper bft4 is a professional digital brake fluid tester designed for accurate water content analysis in dot3, dot4, and dot5.1 Brake fluids. This diagnostic tool enables mechanics and vehicle technicians to quickly assess brake fluid condition and determine when replacement is necessary, helping to maintain vehicle safety and performance. The unit features an integrated thermal printer that produces hard copy test results, providing documentary evidence of safety checks and servicing for customer records and compliance purposes. The clear lcd display includes an analogue bar graph for instant visual feedback, whilst the audible alarm alerts the operator when contamination levels exceed safe thresholds. The flexible 260mm stainless steel probe allows easy access to brake fluid reservoirs across different vehicle configurations. Powered directly from a 12v vehicle battery via the included crocodile clip leads, this tester requires no separate power source, making it ideal for mobile mechanics and workshop environments. The compact design and lightweight construction ensure convenient storage and portability between jobs. Features and benefits: built-in thermal printer provides permanent test records for customer documentation lcd display with analogue bar graph for clear, instant readings flexible stainless steel probe reaches awkward reservoir locations rapid detection with audible sound alarm warns of excessive moisture content 12v battery power eliminates need for m...