tehniline seade, mis teatud viisil muundab sisendsignaali väljundsignaaliks, technical device which performs a given elaboration on an input signal, transforming it into an output signal, measuring instrument that transmits and, if necessary, amplifies and encodes the measurement signal, and converts an analogue signal into digital signal or vice versa, seade millegi muundamiseks teisele kujule, millegi ülekandmiseks, ümberarvestamiseks vms, part of the measuring device that provides an output signal, representing volume or mass, having a determined relationship to the input signal, arvesti või mõõteseadme osis, mis annab väljundsignaali, mis esindab mahtu või massi ja millel on määratud seos sisendsignaaliga, measuring transducer the output variable of which is a standardized signal, assembly in which the optical transmitting element(s) are housed and which can contain associated optical and electrical components