Arvesti näiduhälbekõver esitab näiduhälbe kõikumise graafiliselt, st et madala voomahu korral hälbekõver väheneb järsult, kuid ei jõua ordinaatteljeni, mille puhul on tegemist voomahuga, mille puhul arvesti ei registeeeri näitu.
A meter error curve is a graphical representation depicting the magnitude or frequency of deviations between a measured value and the true or expected value across a range of operational conditions or time.
A meter error curve is a graphical representation showing a measuring instrument's inaccuracy (error percentage) across its entire operational range, typically plotting error against flow rate or output volume.
