What percentage indicates a measurement "Out of Tolerance" on an ethanol gas standard?

A measurement is considered "Out of Tolerance" on an ethanol gas standard when it deviates by a certain percentage from the expected value. In the context of the Intoxilyzer 9000, a tolerance threshold of 5% is specified for the ethanol gas standard. This means if the result of the measurement varies by more than this percentage from the true value, it is not deemed accurate or reliable for use in determining blood alcohol content.

This standard ensures that the device maintains a high level of accuracy in its measurements, which is crucial for both legal and safety reasons. Measurements falling within this tolerance range are acceptable, while those that exceed this limit may raise questions about the calibration or functioning of the equipment. Understanding this percentage is key for operators and technicians to ensure the device used in alcohol testing is performing correctly and producing valid results.