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Compare Analog instrument with Digital Instrument
written 3.0 years ago by
teamques10
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modified 2.4 years ago
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Krishna_Agrawal
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written 3.0 years ago by
teamques10
★ 65k
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Compare Analog instrument with Digital Instrument:
| Analog instrument | Digital Instrument |
|---|---|
| In analog instruments, physical variable of interest is in the form of continuous or stepless variations. | In digital instruments, physical variables are represented by digital quantities. |
| The output varies in continuous fashion as quantity is measured, having infinite values in a given range. | The output varies in discrete step and thus give finite values in a given range. |
| Examples are speedometer of automobile, fuel gauge, voltmeter, ammeter, wrist watch, thermometer etc. | Examples are odometers, digital ammeter and voltmeters. |
| The information form is as the position of pointer on dial / scale. | The information form is as a number. |
| The best possible accuracy is 0.25%. | The best possible accuracy is +0.005% or better |
| Moving parts are involved in analog instrument. | There are no moving parts in digital instrument. |
| The construction is simple, direct reading type and can perform under unfavourable conditions. | The construction involves electronics, proper environmental conditions are required. |
| It does not require auxiliary power. | It requires auxiliary source of power. |
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