Load Cells
the reference pilot — full twin-cert chain
The first program built on the Primmel SMART platform: OIML International Recommendations as executable models, the OIML Certification System as a digital workflow, and a classroom to learn all of it. Two tiers, SMART (Type-approval) and SMART+ (instrument-instance lifecycle).
SMART covers the published, expert-authored artifacts (Recommendations, Vocabulary, Resources), the SMART Studio reader (the interactive, read-only view over a Recommendation's model), CNML at the Issuing-Authority / Type-approval level, and the two platform deployments that run the Type-approval workflow: the global OIML-CS SMART Platform and the optional member-state OIML SMART Platform.
SMART+ extends the program to the full instrument-instance and measurement lifecycle: CNML at the Type-instance and measurement level, the SMART Measuring Instruments family and the SMI Simulation, and the OIML-CS SMART+ Platform (global) and OIML SMART+ Platform (member-state) that run it.
Each Recommendation is a Primmel package, requirements, conformance tests, and report forms modelled as constraints, processes, and evidence interfaces over the instrument's aspects, with clause-level provenance back to the source document.
the reference pilot — full twin-cert chain
preview edition 2025
multi-dimensional measurement
custody-transfer diaphragm meters
Browse the modelled content in the Recommendations library, each entry shows its requirements, tests, and forms.
The OIML Certification System is modelled end to end, application, test dispatch, laboratory testing, type evaluation, certificate issuance, on the ISO/IEC 17000-series conformity assessment chain it normatively references. Every participant role, every document, every verdict is an entity in the model.
The program ships Simulated SMART Measuring Instrument Twins (SSTs) of real instrument families, analog and digital load cells, belt scales, gas meters, with configurable physics: temperature cycles leave realistic residuals, creep and hysteresis behave the way the Recommendation says they should. The demo manual walks the full chain against an SST: certify a load cell from application to certificate without touching hardware.
A layered curriculum: each tier is complete for its depth, and each opens into the next. Stop wherever your role stops.
The full curriculum lives in the classroom volume.