As discussed at the beginning of this chapter, instrumentation safety may be broadly divided into two…
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Constructing PID control systems using discrete components is a fairly simple method involving operational…
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(Will be addressed in future versions of this book)
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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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In the United States, the ANSI and IEEE organizations have standardized a set of numerical codes referring to…
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Capacitive level instruments measure electrical capacitance of a conductive rod inserted vertically into a…
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Some analyzers measure the composition of a process stream by directly immersing the sensing element in that…
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One of the most common, and most useful, pressure measuring instruments in industry is the differential…
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Disconnect Switches Disconnects are switches designed to isolate sections of a power system in case of damage…
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One of the simplest classes of temperature sensor is one where temperature effects a change in electrical…
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Learning from reading printed text is a kind of problem-solving activity it is own right. The problem is how…
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So far we have just looked at instruments that sense, control, and influence process variables. Transmitters,…
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Regardless of valve type, all stem-actuated control valves require some form of seal allowing motion of the…
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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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The very purpose of physics is to quantitatively describe and explain the physical world in as few terms as…
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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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Flow, by definition, is the passage of material from one location to another over time. So far this chapter…
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Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while…
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Regulating the electric power sent to an electric motor is a task performed by high-speed switching…
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