Abdelaziz, Ahmed (June 2014) Identified numerous typographical errors throughout the book, mostly repeated…
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It is possible to convey electrical power and communicate analog information over the same two wires using 4…
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Much of our knowledge about atomic structure comes from experimental data relating the interaction between…
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As discussed at the beginning of this chapter, instrumentation safety may be broadly divided into two…
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A bridge circuit is basically a pair of voltage dividers where the circuit output is taken as the difference…
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First, let us review some of the properties of differentials and derivatives, referencing the expression and…
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As we have seen, feedforward control is a way to improve the stability of a feedback control system in the…
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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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Any conductor possesses a characteristic called inductance: the ability to store energy in the form of a…
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Phasors are to AC circuit quantities as polarity is to DC circuit quantities: a way to express the…
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Temperature measurement devices may be classified into two broad types: contact and non-contact. Contact-type…
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One of the great benefits of digital technology is the ability to communicate vast amounts of information over…
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Self-balancing pneumatic instrument mechanisms are very similar to negative-feedback operational amplifier…
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A very common form of on/off valve used for pneumatic and hydraulic systems alike is the solenoid valve. A…
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Atom: the smallest unit of matter that may be isolated by chemical means. Particle: a part of an atom,…
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One of the marks of a successful problem-solver is a habit of applying general principles to every new problem…
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Measuring the flow rate of liquid through an open channel is not unlike measuring the flow rate of a liquid…
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RTDs are completely passive sensing elements, requiring the application of an externally-sourced electric…
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By definition, a source is a device delivering energy into a system, while a load is a device extracting…
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So far we have just looked at instruments that sense, control, and influence process variables. Transmitters,…
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