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instrument in computer and telecommunication systems. 1.2.3 Electronic instrumentation for data processing Electronic instrumentation has also benefited from advances made in signal processing and data processing. In many measurement problems, the required information cannot easily be extracted from measurable signals. An example is shown in ...
Any instrumentation system must include an input transducer (sensor), such as a strain gauge, whose response to a particular stimulus can be measured electrically. The other component that is generally present in modern instrumentation systems is a digital processor, such as a computer or a micro-controller. These programmable components have
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The primary sensor is normally an instrument that has properties to detect the physical property desired to be measured. An example is a thermocouple which produces a change in an electrical circuit proportional to the temperature; this signal is sent to a transducer to be detected and interpreted.
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This book has been written for technicians, industrial engineers, undergraduate students in the fields of electronics, electrical engineering, automation, and more generally those in disciplines related to engineering science who require in-depth knowledge of how systems of measurement are developed and applied.
What is Electronic Instrumentation? It is the system for measurement of electrical and non electrical (physical) quantities. Most physical quantities can be converted into electrical signals using transducers. Once in the common format, they can be amplified, filtered, sampled, multiplexed, measured and displayed.
Contents Acknowledgement ..... xvii Preface.....xix
A photomultiplier can be used to transform the light intensity into an electrical signal, the output current of the photomultiplier. This output current, again, is an analog quantity and the photomultiplier acts as a transducer. A transducer is any device which transforms one physical quantity into another.
