A computer-implemented method for implementation on a measurement device, comprising: a differential measurement operation, comprising: reading in signals (54a, 54b) from at least two input channels (32a, 32b) of the measurement device, the signal from each input channel being received from a respective sensor element (52a, 52b); applying a linearization function to each of the input channels, the linearization function having adjustable parameters; applying a computation algorithm to the input channels subsequent to applying the linearization function, to derive at least one output measurement; outputting a data signal indicative of the output measurement; and a calibration operation performed at a different time than the measurement operation comprising: applying a plurality of sets of constant-value calibration input signals (74a, 74b) to the input channels (32a, 32b) of the measurement device; applying the computation algorithm to each set of the calibration input signals without applying the linearization function, and recording each respective output measurement, to form a calibration dataset; and fitting the adjustable parameters of the linearization function based on the calibration dataset. a differential measurement operation, comprising: reading in signals (54a, 54b) from at least two input channels (32a, 32b) of the measurement device, the signal from each input channel being received from a respective sensor element (52a, 52b); applying a linearization function to each of the input channels, the linearization function having adjustable parameters; applying a computation algorithm to the input channels subsequent to applying the linearization function, to derive at least one output measurement; outputting a data signal indicative of the output measurement; and reading in signals (54a, 54b) from at least two input channels (32a, 32b) of the measurement device, the signal from each input channel being received from a respective sensor element (52a, 52b); applying a linearization function to each of the input channels, the linearization function having adjustable parameters; applying a computation algorithm to the input channels subsequent to applying the linearization function, to derive at least one output measurement; outputting a data signal indicative of the output measurement; a calibration operation performed at a different time than the measurement operation comprising: applying a plurality of sets of constant-value calibration input signals (74a, 74b) to the input channels (32a, 32b) of the measurement device; applying the computation algorithm to each set of the calibration input signals without applying the linearization function, and recording each respective output measurement, to form a calibration dataset; and fitting the adjustable parameters of the linearization function based on the calibration dataset. applying a plurality of sets of constant-value calibration input signals (74a, 74b) to the input channels (32a, 32b) of the measurement device; applying the computation algorithm to each set of the calibration input signals without applying the linearization function, and recording each respective output measurement, to form a calibration dataset; and fitting the adjustable parameters of the linearization function based on the calibration dataset.