Dead Time

It is defined as the time required by a measurement system to begin to respond to a change in the measurand. It is basically the time before the instrument begins to respond after the measurand has been changed.

Dead Zone

Dead zone is defined as the largest change of input quantity for which there is no output of the instrument. It is basically range of input value for which output is zero. Dead zone is also known as Deadband or dead space or neutral zone.
 
 
Resolution
 
The minimum increment in input which can be detected with certainty by an instrument. Resolution is also called as discrimination.
 
Q. What is the difference between resolution and threshold?
 
Ans. Resolution is defined as the smallest measurable input change. On the other hand, a threshold is the smallest measurable input.
Dead Time, Dead Zone and Resolution

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