The Testboy 51 is a practical test probe that all foreman of car repair shops and car mechanics should have. The user-friendly operation and the compact design will also appeal to every hobby mechanic. Utilising the Testboy 50 it is possible to quickly and precisely test the water content in glycol-based brake fl uid. 5 LEDs indicate exactly the water content in the brake fluid in the stages 0%, < 1%, ~ 2%, ~ 3% and > 4%. Thus, it is possible to exactly recognise when the brake fluid has to be replaced. Self-testing with the device is also possible. Your advantages: | 5 years manufacturer’s warranty | IEC/EN 61010-1, DIN VDE 0411 Car repair shops use the Testboy 51 as part of their on the spot service when filling out the service and repair contract, allowing the customer to make a decision based on the result. Oil companies, HGV and motorbike workshops have come to the conclusion that our brake fluid tester improves safety and broadens the scope of their equipment. Made of impact and unbreakable ABS plastic, the housing underlines the professional appearance. The acid-proof, glassfibre reinforced enclosure contributes to the long service life of the device. Technical Details Testboy 51 Display optical, 5 - LEDs Measurement Range brake fluid ( DOT 4 ) Power Supply 1x 23A Dimension 150 x 25 mm Protection IP 40 Weight 40 g Colour black Scope of Delivery 1 x operating instructions 1 x battery 23A-cell