Introduction to the definition of measuring instrument verification

Measuring instruments must be checked during use and are important for the user's measurements. What is the definition of measuring instrument verification? Today Xiaobian has come to introduce the measurement instrument verification method in detail, hoping to help everyone.

ISO/IEC Guide 25-199O "General requirements for the technical capability of calibration and inspection laboratories" defines "certification" as: "Provide evidence through verification to confirm compliance with specified requirements (ISO 84O2/DADI-3.37, according to the guidelines Objective added notes).

1. In order to interface with the management of the measuring instruments, the purpose of the verification is to check the deviation between the indications of the measuring instruments and the corresponding known quantities so that they are always smaller than those specified in the standards, procedures or specifications for the management of measuring instruments. The maximum allowable error.

2. According to the result of the verification, the metering equipment will continue to be used, investigated, repaired, degraded, or declared scrapped. In any case, when the verification is completed, the verification shall be recorded on the special record of the measuring instrument.

The definition given by the international metrology organization is: "The process of ascertaining and confirming whether a measuring instrument meets the statutory requirements includes checking, marking and/or issuing a certificate of verification."