Yes, the calibration could have been wrong, and yes, you could fight the results. If you have been charged with a criminal offense, you are presumed innocent until proven guilty. I'd recommend you retain an experienced criminal defense attorney or request that the court appoint you an attorney for more information. These types of cases frequently involve analyzing the test results and the testing mechanisms utilized are scientifically complicated. It takes an expert with years of experience to determine the full extent of any issues with the machine.
Answered on Sep 08th, 2011 at 3:03 PM