Elektronski instrumenti (imenovani večkanalni analizatorji), ki lahko zaradi vgrajenih mikroprocesorjev razvrščajo rezultate, predhodno pridobljene z zunanjimi merilnimi napravami, kot so voltmetri, senzorji ali kotni odkodirniki in jih instrumenti sprejmejo v obliki električnih signalov, ter nato te rezultate (dejanske vrednosti) primerjajo z zahtevanimi vrednostmi, sestavljeni pa so predvsem iz naslednjih delov:
Electronic instruments (called multi-channel analysers) which, because they incorporate microprocessors, can classify results previously obtained with external measuring apparatus such as voltmeters, sensors, or angular decoders and received by the instruments in the form of electrical signals, and can compare these results (actual values) with the required values, and which consist essentially of the following parts: