Through implementation of Period Verification of high pressure probe in high pressure test chamber, the paper introduces how to make the guidance of the verification work during the period, how to use"two comparison method"verification operation, and how to analyze the verification data, so as to determine the accuracy and reliability of the high pressure probe verification.%通过对高压试验室高压探头期间核查方法的实施，具体介绍了如何制定期间核查作业指导书，如果运用“两台比对法”进行核查操作，以及如何对核查数据进行分析，从而判定高压探头核查的准确性与可靠性。
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