calibration hierarchy, hierarchy scheme, calibration chain
kalibreerimiste järjestus tugiviitest kuni sihtmõõtevahendini, kus iga kalibreerimise tulemus sõltub eelneva kalibreerimise tulemusest, sequence of calibrations from a reference to the final measuring instrument, where the outcome of each calibration depends on the outcome of the previous calibration, descriptive and graphical specification of metrological traceability chain for a given type of measuring instrument which serves to evidence their metrological traceability