The majority of flowmeter technologies operate on the principle of interpreting fluid flow based on the…
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The final element of PID control is the “D” term, which stands for derivative. This is a calculus…
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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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In a manually-controlled process, a human operator directly actuates some form of final control element…
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In reliability engineering, it is important to be able to quantity the reliability (or conversely, the…
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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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It is possible to convey electrical power and communicate analog information over the same two wires using 4…
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One of the most important accessories for any temperature-sensing element is a pressure-tight sheath known as…
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The transformer is one of the most important components in all of AC circuitry. Principally used to…
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A machine in the broad sense of the word is any device designed to translate some form of energy into useful…
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A form of protection against faults on long-distance power lines is called distance relaying, so named because…
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This section does not describe a particular type of flowmeter, but rather a design that may be implemented for…
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Imagine a major marathon race, where hundreds of runners gather in one place to compete. When the starting gun…
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A chemical reaction resulting in a net release of energy is called exothermic. Conversely, a chemical reaction…
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The Law of Mass Conservation states that matter can neither be created nor destroyed. The Law of Energy…
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The following collection of photographs chronicles the complete disassembly of a Fisher E-body globe valve…
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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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Modern analog-to-digital converters are phenomenally accurate, dependable, repeatable, and surprisingly…
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Much has been written about the benefits of robust PID control. Increased productivity, decreased equipment…
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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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