Sharing the rough dimensions of a credit card, the Lubricheck will see users place some drops of their car’s oil in the device’s sensor cup. It will then go about measuring the capacitive and resistive properties of that particular sample in order to let you know the oil’s acidity, metal particulate content, carbonized particulate content, and the level of foreign liquids such as coolant or water.
An LED display will then let you know whether it is time to change the engine oil, or leave it as it is. All results can be logged into the Lubritrack database tracking service, and it will then compare those with algorithms established for the make and model of car in question. Should the numbers be skewed on either end, then you as the owner would do well to send the engine for a check up.