Static and Dynamic characteristics are the Performance characteristics of instrument.
"Performance characteristic of instrument is nothing but the characteristic observed during test or during operation of the instrument."
A) Static Characteristic:-
It is defined as the set of criteria for instrument, which are used to measure quantities which does not vary with time or mostly constant with respect to time or which vary very slowly are called static characteristics of the instrument.
There are various static characteristics as :-
- Accuracy.
- Sensitivity.
- Precision.
- Linearity.
- Reproducibility.
- Repeatability.
- Resolution.
- Threshold.
- Drift.
- Stability.
- Tolerance.
- Range or span.
B) Dynamic Characteristic:-
It is defined as the criteria for instruments, which vary or changes very rapidly with respect to time is called Dynamic characteristic of instrument.
There are various Dynamic characteristics as :-
- Speed of response.
- measuring lag.
- Fidelity.
- Dynamic error.
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