Determine the Instrument Calibration Error
Determine what kind of calibration error the instrument has (zero shift, span shift, hysteresis, and/or linearity)....
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Instrument Percent of Span Error
An important part of performing instrument calibration is determining the extent of an instrument’s error. Error is usually measured in percent of span. Instrument Percent of Span Error Calculate the...
Instrument Errors – Zero, Span, Linearity
Suppose an electronic pressure transmitter has an input range of 0 to 100 PSI and an output range of 4 to 20 mA. When subjected to a 5-step up-and-down “As-Found”...
Error sources creating uncertainty in Calibration
Through measurement, we try to obtain the value of an unknown parameter. However this measured value cannot be the actual or true value. If the measured value is very close...