General Studies · Sensors and Instrumentation
Which of the following statements is correct regarding the characteristic parameters used for measurement instruments and transducers?
- 1Hysteresis of an instrument is defined as the ratio of the magnitude of the output signal to the magnitude of the input signal.
- 2Sensitivity is the difference in the output for a given input when the value is approached from opposite directions.
- 3Precision is defined as the degree of repeatability or exactness for which an instrument is designed to perform.✓
- 4Span is the deviation of the true value from the desired value.
Correct answer
Precision is defined as the degree of repeatability or exactness for which an instrument is designed to perform.
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