“Radio” systems use electromagnetic fields to communicate information over long distances through…
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One of the most common, and most useful, pressure measuring instruments in industry is the differential…
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Creative Commons Attribution 4.0 International Public License By exercising the Licensed Rights (defined…
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Most people reading this book have likely had the experience of adjusting water temperature using two hand…
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Temperature measurement devices may be classified into two broad types: contact and non-contact. Contact-type…
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Current is the name we give to the motion of electric charges from a point of high potential to a point of low…
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Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while…
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The following animation shows how the “rotating” magnetic field of a three-phase AC induction…
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A very common method for directly controlling low flow rates of fluids is to use a device known as a metering…
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(Will be addressed in future versions of this book)
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Light is known to interact with matter in very specific ways, which may be exploited as a means of measuring…
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Data-processing modules within FF systems are known as function blocks. Sometimes these blocks serve merely to…
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Classical mechanics (often called Newtonian mechanics in honor of Isaac Newton) deal with forces and motions…
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AC induction motors are based on the principle of a rotating magnetic field produced by a set of stationary…
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The following animation shows how a radio-energy pulse travels down and then up the waveguide of a guided-wave…
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Those familiar with industrial instrumentation will find much within the electric power industry remarkably…
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Using filter cells to eliminate wavelengths associated with interfering gases is called positive filtering in…
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Another category of control strategies involves the use of signal relays or function blocks with the ability…
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Shown here is a partial listing of principles applied in the subject matter of this chapter, given for the…
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Capacitance Any two electrical conductors separated by an insulating medium possess the characteristic called…
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Imagine a liquid-level control system for a vessel, where the position of a level-sensing float sets the…
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