The Law of Continuity for fluids states that the product of mass density (\(\rho\)), cross-sectional pipe area…
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The three “elementary” particles of matter comprising all atoms are electrons, protons, and…
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Most of these formulae appear in molecular chemical form rather than structural form. For example, ethanol…
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When a high-energy photon strikes an atom, it may eject one of the lower-level electrons from its shell,…
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A special type flowmeter suited for powdered or granular solids is the weighfeeder. One of the most common…
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The simplest form of 4-20 mA current loop is the type used to represent the output of a process controller,…
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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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This section shows some of the many instrument symbols found in different types of technical diagrams used to…
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A design-based fortification is one rooted in technical details of system architecture and functionality. Some…
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“Radio” systems use electromagnetic fields to communicate information over long distances through…
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Lipták, Béla G. et al., Instrument Engineers’ Handbook – Process Measurement and Analysis Volume I,…
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Earlier in this chapter you were shown a model of a nitrogen atom with a dense nucleus (comprised of protons…
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Programmable logic controllers are essentially nothing more than special-purpose, industrial computers. As…
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Feedback obtained from industrial users of FF reveal a common pattern: Fieldbus is a powerful and reliable…
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An exciting development in industrial instrumentation is the WirelessHART radio communication standard,…
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Constructing PID control systems using discrete components is a fairly simple method involving operational…
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The term “grid” refers to the conductors and equipment interconnecting power sources to power…
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Creative Commons Attribution 4.0 International Public License By exercising the Licensed Rights (defined…
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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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As a general rule, high achievement only takes place in an atmosphere of high expectations. Sometimes these…
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A damper (otherwise known as a louvre) is a multi-element flow control device generally used to throttle large…
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Visualizing the actions of P, I, and D tuning parameters using graphs is extremely useful in predicting the…
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