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      The JJG 512-2002 standard specifies verification procedures for whiteness meters, including methods of verification, equipment requirements and verification conditions. The standard applies to periodic verification of whiteness meters to ensure their measurement accuracy and Reliability. The standard provides detailed operating steps and technical specifications that help maintain the measurement performance of the instrument and ensure that it provides an accurate whiteness value in practical applications.

      This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
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      CCS ICS
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