Signal processing elementThis takes the output of the conditioning element and converts it into a form moresuitable for presentation. Examples are:• Analogue-to-digital converter (ADC) which converts a voltage into a digitalform for input to a computer• Computer which calculates the measured value of the variable from theincoming digital data.Typical calculations are:• Computation of total mass of product gas from flow rate and density data• Integration of chromatograph peaks to give the composition of a gas stream• Correction for sensing element non-linearity.
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