Measurement

अनुरेखणीयता

परिभाषा

अंशांकन की एक अटूट, प्रलेखित श्रृंखला जो माप परिणाम को राष्ट्रीय या अंतर्राष्ट्रीय माप मानक से जोड़ती है।

व्याख्या

A factory floor caliper is calibrated against a reference gauge block, which was calibrated against a master gauge block, which was calibrated at a national metrology institute (such as NIST in the US) against the SI meter definition. Each step in this chain has a calibration certificate with quantified uncertainty. Without traceability, measurements from different facilities cannot be reliably compared.

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