Monday, June 24, 2013

Zero and span adjustments

The purpose of calibration is to ensure the input and output of an instrument correspond to one
another predictably throughout the entire range of operation. We may express this expectation in
the form of a graph, showing how the input and output of an instrument should relate:
This graph shows how any given percentage of input should correspond to the same percentage
of output, all the way from 0% to 100%.

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