What is the role of a master standard?

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Multiple Choice

What is the role of a master standard?

A master standard is the most precise reference in a measurement system, serving as the stable benchmark from which all other instruments are calibrated. Its high accuracy and stability define the true value that working standards must match, ensuring traceability to national or international standards. This calibration chain keeps measurements consistent over time and across instruments. It isn’t just a casual training reference, nor a backup tool for data collection, nor a device that is expected to drift. Those roles would not provide the authoritative, traceable reference needed to uphold measurement quality.

A master standard is the most precise reference in a measurement system, serving as the stable benchmark from which all other instruments are calibrated. Its high accuracy and stability define the true value that working standards must match, ensuring traceability to national or international standards. This calibration chain keeps measurements consistent over time and across instruments.

It isn’t just a casual training reference, nor a backup tool for data collection, nor a device that is expected to drift. Those roles would not provide the authoritative, traceable reference needed to uphold measurement quality.

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