What does a calibration procedure contain?

A calibration procedure is a comprehensive document that provides specific, detailed instructions on how to perform the calibration of instruments or devices. The inclusion of step-by-step calibration instructions is vital because it ensures that the calibration process is consistent, repeatable, and reliable. This level of detail minimizes the risk of error and helps technicians adhere to standardized practices, which is essential for maintaining the accuracy and precision of measurement instruments.

By following a well-defined procedure, technicians can ensure that they are not missing any critical steps in the calibration process, which could lead to discrepancies in measurement results. This systematic approach empowers technicians to effectively verify that instruments are functioning correctly and producing accurate measurements. Hence, the procedure is fundamental to achieving reliable calibration results.

While the other choices may contribute to the calibration process, they do not encapsulate the essence of a calibration procedure like the step-by-step instructions do. General guidelines for testing might provide an overview, while a list of approved instruments is useful for instrument selection, and historical data helps in understanding past performance. However, none of these elements alone define the detailed methodology necessary to conduct a calibration.