Car service is a matter of confidence. When returning avehicle to the customer, it is important to provide positive proof that all checks have been made. Whenever the question of engine condition comes up, the service industry all over the world relies on Motometer. Forgood reason, Motometer has the benefit of know-how gathered over 100 years. Using the Motometer recording compression tester the check and the documentation of the compression pressure of an engine is comfortable and safe. The hard-copy recording charts provide irrefutable information on engine condition and are easily understood by the average vehicle owner.