mõõtesuuruse väärtust iseloomustav mõõtevahendi väljundist edastatav signaal, signal of the data channel against a known input signal for various values of this signal, signal from the transmitter which is a function of the flowrate, analogue or digital representation of the measurand, output from the secondary device which is a function of the flow-rate, sekundaarseadme väljund, mis on voomahu funktsioon