calibration of a material measure by comparison
in this method, the value of the quantity provided by a material measure used as reference is compared with the value of the quantity provided by the material measure to be calibrated, meetod, mille korral komparaatori ehk võrdlusmõõtevahendiga mõõdetakse nii etalonmõõdu kui ka kalibreeritava mõõduga reprodutseeritavat suurust ja fikseeritakse nende vahe väärtus