Every flow-measuring instrument exploits a physical principle to measure the flow rate of fluid stream.…
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Learning PLC programming is a very important skill. If your job involves programming, then you will likely…
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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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Shown here is a partial listing of principles applied in the subject matter of this chapter, given for the…
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(Will be addressed in future versions of this book)
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RTDs are completely passive sensing elements, requiring the application of an externally-sourced electric…
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Disturbances in the liquid tend to complicate liquid level measurement. These disturbances may result from…
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Level gauges are perhaps the simplest indicating instrument for liquid level in a vessel. They are often found…
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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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“Feedforward” is a rather under-used control strategy capable of managing a great many types of…
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A control strategy similar to ratio control is relation control. This is similar to ratio control in that a…
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Converting between disparate units of measurement is the bane of many science students. The problem is worse…
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Process analyzers measure the concentration of specific substances for the purpose of measuring and/or…
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Sample sizes of chemical substances are often measured in moles. One mole of a substance is defined as a…
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An engineer named Bob Metcalfe conceived the idea of Ethernet in 1973, while working for the Xerox research…
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Any power grid large enough to meet the demand of an entire nation must have multiple generators drawing from…
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To understand just how different FOUNDATION Fieldbus is from other digital instrument systems, consider a…
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All masses require force to accelerate (we can also think of this in terms of the mass generating a reaction…
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The digital multimeter (DMM) is quite possibly the most useful tool in the instrument technician’s…
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