Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while…
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Calculus has a reputation for being difficult to learn, and with good reason. The traditional approach to…
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Binary patterns are not just able to represent numerical values. Given a standardized code, they may represent…
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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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Some analyzers measure the composition of a process stream by directly immersing the sensing element in that…
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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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As we have seen, the concept of differentiation is finding the rate-of-change of one variable compared to…
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A proximity switch is one detecting the proximity (closeness) of some object. By definition, these switches…
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In this section I will show screenshots from a process loop simulation program illustrating the effectiveness…
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DC electric motors generate torque by a reaction between two magnetic fields: one field established by…
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Calculus. Few areas of mathematics are as powerfully useful in describing and analyzing the physical…
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I remember first learning about the world-wide Internet, and wondering what it actually looked like. The first…
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As discussed at the beginning of this chapter, instrumentation safety may be broadly divided into two…
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Using filter cells to eliminate wavelengths associated with interfering gases is called positive filtering in…
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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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Solids tend to expand when heated. The amount that a solid sample will expand with increased temperature…
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The efficient identification and correction of instrument calibration errors is an important function for…
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Area refers to the size of two-dimensional surface. Volume refers to the size of a three-dimensional space. To…
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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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To show a practical process example, let’s examine three diagrams for a compressor control system,…
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