Autool AS503 | Motorolietester Multimeter If you do have a

If you do have a device with an active license

Software activation per device (70607003): This product

DC09 series: The nine-liter industrial engines

Tracer 700 / 900: (2016–present)

Mercury Racing: marine inboard engines (various models)

Autool AS503 | Motorolietester Multimeter If you do have aThe Autool AS503 is a handheld engine oil tester that allows mechanics and car owners to quickly assess the quality of engine oil without draining it. The device measures via a flexible measuring probe inserted into the oil dipstick opening and shows the result directly on the LCD screen with backlighting. The tester operates based on dielectric measurement and displays the oil condition on a scale from 0 to 100%, making it clear whether an oil change