etalon, mis on kehtestatud sama liiki suuruse primaaretaloni suhtes kalibreerimise teel, etalon, millele on omistatud väärtus võrdlemisel sama suuruse primaaretaloniga, etalon, millele suuruse väärtus on omistatud suhtelise primaarprotseduuri kaudu, measurement standard established through calibration with respect to a primary measurement standard for a quantity of the same kind, measurement standard whose value is fixed by comparison with a primary measurement standard, measurement standard having its quantity value assigned by a ratio primary reference measurement procedure, measurement standard whose property value is assigned by comparison with a primary measurement