In our first signal characterization example, we tackle the problem of measuring fluid flow through a pipe. To…
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Non-dispersive analysis, while newer in discovery than dispersive analysis (Isaac Newton’s 17th-century…
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Using filter cells to eliminate wavelengths associated with interfering gases is called positive filtering in…
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“Feedforward” is a rather under-used control strategy capable of managing a great many types of…
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Learning from reading printed text is a kind of problem-solving activity it is own right. The problem is how…
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A laser is a light source emitting waves of light that not only share the exact same frequency (color)…
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Hydrogen ion activity in aqueous (water-solvent) solutions is a very important parameter for a wide variety of…
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Every flow-measuring instrument exploits a physical principle to measure the flow rate of fluid stream.…
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Although it seems each model of PLC has its own idiosyncratic standard for programming, there does exist an…
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Many years ago, when I was first learning about electricity, I happened to discover a length of coaxial…
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Perhaps the most basic and necessary protective relay function is overcurrent: commanding a circuit breaker to…
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(Will be addressed in future versions of this book)
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Level gauges are perhaps the simplest indicating instrument for liquid level in a vessel. They are often found…
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Several different technologies exist for the conversion of fluid pressure into an electrical signal response.…
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A limit switch detects the physical motion of an object by direct contact with that object. An example of a…
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To better understand the design and operation of self-balancing pneumatic mechanisms, it is helpful to examine…
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In November of 2007 a new computer virus was submitted to a virus scanning service. The purpose of this new…
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Creative Commons Attribution 4.0 International Public License By exercising the Licensed Rights (defined…
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Once while working as an instrument technician in an aluminum foundry, a mechanic asked me what it was that I…
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Those familiar with industrial instrumentation will find much within the electric power industry remarkably…
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