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Heart of Automation.

Instrumentation is called as a Heart of Automation.

The answer of this, is in the definition of the Instrumentation.

Instrumentation is the collective term used for measuring instruments that are used for indicating, measuring and recording physical quantities such as flow, temperature, level, distance, angle or pressure.

To make a process automatic we first need to know, measure, or record the process variables.

And without knowing or measuring the physical quantities or changes in it we can't control the process, That's why instrumentation is called  Heart of  the Automation.

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