Take for instance the problem of measuring fluid flow through a pipe. To the layperson, this may seem to be a…
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The electrical conductivity of liquids is an important analytical measurement in many industrial processes.…
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As previously defined, calibration refers to the checking and adjustment of an instrument so that its output…
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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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Instrument technicians should not have to concern themselves over the programming details internal to digital…
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Classical mechanics (often called Newtonian mechanics in honor of Isaac Newton) deal with forces and motions…
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A Safety Instrumented Function, or SIF, is one or more components designed to execute a specific…
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Certain types of nuclear radiation easily penetrates the walls of industrial vessels, but is attenuated by…
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An variable-area flowmeter is one where the fluid must pass through a restriction whose area increases with…
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There are multiple motives for compromising the security of an industrial control system, some of which…
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A number of different sensors used in instrumentation generate DC voltage signals proportional to the process…
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Filled-bulb systems exploit the principle of fluid expansion to measure temperature. If a fluid is enclosed in…
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Given the ability of pressurized fluids to transmit force over long distances, it is not surprising that many…
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As discussed at the beginning of this chapter, instrumentation safety may be broadly divided into two…
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Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while…
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In contrast to quantitative tuning procedures where definite numerical values for P, I, and D controller…
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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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Suppose we wished to measure the consumption of propane over time for a large propane storage tank supplying a…
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A whole class of problem-solving techniques focuses on altering the given problem into a simpler form that is…
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These fortifications focus on human behavior rather than system design or component selection. In some ways…
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