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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Once while working as an instrument technician in an aluminum foundry, a mechanic asked me what it was that I…
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In contrast to quantitative tuning procedures where definite numerical values for P, I, and D controller…
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Impedance in a series circuit is the orthogonal sum of resistance and reactance: \[Z = \sqrt{R^2 + (X_L -…
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Stoichiometry is the accounting of atoms before and after a chemical reaction. It is an expression of the Law…
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As we have seen, the concept of integration is finding the accumulation of one variable multiplied by another…
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There is much to be said for neatness of assembly in electrical signal wiring. Even though the electrons…
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Few areas of mathematics are as powerfully useful in describing and analyzing the physical world as calculus:…
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Modern analog-to-digital converters are phenomenally accurate, dependable, repeatable, and surprisingly…
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A temperature switch is one detecting the temperature of some substance. Temperature switches often use…
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As discussed at the beginning of this chapter, instrumentation safety may be broadly divided into two…
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Virtually any mass above absolute zero temperature emits electromagnetic radiation (photons, or light) as a…
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One very convenient feature of waves is that their properties are universal. Waves of water in the ocean,…
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A fluid is any substance having the ability to flow: to freely change shape and move under the influence of a…
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Creative Commons Attribution 4.0 International Public License By exercising the Licensed Rights (defined…
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Every programmable logic controller must have some means of receiving and interpreting signals from real-world…
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Electrical Resistance Resistance (\(R\)) is the dissipative opposition to an electric current, analogous to…
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Labwork is an essential part of any science-based curriculum. Here, much improvement may be made over the…
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Several different technologies exist for the conversion of fluid pressure into an electrical signal response.…
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Imagine a liquid-level control system for a vessel, where the position of a level-sensing float directly sets…
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Some of the simplest types of digital communication networks found in industry are defined by the EIA…
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