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Traceability

Traceability is the thread that connects your calibrated tools to established references and standards. It confirms that your instruments will measure accepted units (whether electronic, optical, or dimensional) to agreed levels of accuracy. Traceability is key to meeting worldwide measurement, trade and regulatory requirements.

Certified measurement products sold by Tektronix are traceable to national metrology institutes and the SI (International System of Units). Tektronix measurement products are shipped with Certificates of Traceable Calibration.

Traceability begins with standards maintained in national metrology institutes as shown in Figure 1. These standards, understood to have the highest accuracy available, are used to calibrate instruments in independent or corporate laboratories. These in turn confer traceability to instruments in calibration departments within individual companies such as Tektronix.

Traceability Facts

View Diagram.
Traceability follows a hierarchy of standards, each referencing the one above it and conferring its traceability to those below it. In this example, two schemes for voltage calibration are shown. The left branch derives some standards from external laboratories.

Traceability Map