Metrological Traceability Chain Explained: From BIPM SI Units to the Factory Floor

Traceability guarantees that measurements taken in Tokyo, London, Houston, or Chennai are comparable on the same SI scale.

1. The 6 Requirements of Traceability

Unbroken chain, documented uncertainty, accredited procedure, competence, SI reference, and recalibration intervals.

2. Dual Brothers Traceability Assurance

All instruments exported by Dual Brothers come with NABL / ISO 17025 accredited calibration certificates with unbroken traceability to national standards.