ROOKS Brake fluid tester DOT 3 DOT 4 DOT 5.1

The ROOKS OK-03.5000 brake fluid tester checks the quality of DOT-3, DOT-4 and DOT-5.1 brake fluids. It measures by the electrolytic method and a measurement takes 0.5 s. The tester shows the water content in percent and tells you whether the fluid is in good condition or needs replacing. You read the result on the liquid crystal display.

The housing has IP67 protection against dust and moisture. The tester is meant for mechanics, workshops and private users who want to be sure of the brake fluid in their vehicle. It runs on a 9 V battery, which is not included. Every ROOKS product goes through the maker's quality control.

Technical data

• Use: quality check of DOT-3, DOT-4 and DOT-5.1 brake fluids
• Test method: electrolytic
• Measuring time: 0.5 s
• Readings: water content in percent, good-quality indication, replacement warning
• Working range: 0.1-6%
• Display: liquid crystal display
• Power: 9 V battery (not included)
• Protection class: IP67
• Product code: OK-03.5000