What is Metrological Traceability – Requirements Traceability and Calibration

In this episode of the Metrology Training Lab where we demonstrate how to calibrate, we are going to talk about requirements traceability, or sometimes called metrological traceability.

Here’s the question that traceability and calibration answers – say I make a measurement with this caliper. How do I know that the inches or millimeters on this caliper are the same as everybody else’s inches or millimeters? How do I relate this measurement back to some defined standard, like the definition of the meter?