inputs.text: always worked fine use detailing business - highline meter several years least 8 years never issue never gotten calibration always worked finei use detailing business ever vehicle detail numerous vehicles wanting estimates friends etcplease note meter almost others except expensive delfesko meter measure total material thickness not paint thicknessit gotten lot use never failed acted upi noticed years kill single aaa battery faster leave battery meterthat dan f dansautodetailingcom