Constructing PID control systems using discrete components is a fairly simple method involving operational…
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The two “process variables” we rely on most heavily in the field of electrical measurement and…
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This animation shows the basic operation of a gas chromatograph, showing the separation of different molecular…
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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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Every flow-measuring instrument exploits a physical principle to measure the flow rate of fluid stream.…
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Some of the simplest types of digital communication networks found in industry are defined by the EIA…
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In addition to directly performing logic functions, electromechanical relays may also be used as interposing…
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Perhaps the most important rule to obey when using pneumatic instruments is to maintain clean and dry…
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The dispersion of visible light into its constituent colors goes all the way back to the 17th century with…
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Control valves are supposed to deliver reliable, repeatable control of process fluid flow rate over a wide…
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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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Several different technologies exist for the conversion of fluid pressure into an electrical signal response.…
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Instrument technicians should not have to concern themselves over the programming details internal to digital…
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Virtually any mass above absolute zero temperature emits electromagnetic radiation (photons, or light) as a…
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Coy, John J. et. al. (December 2012) Sampled graphic illustrations from his NASA Reference Publication…
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Electrical power grids primarily consist of three-phase AC circuits. This means most power lines (transmission…
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Although it seems each model of PLC has its own idiosyncratic standard for programming, there does exist an…
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A very simple device used to measure pressure is the manometer: a fluid-filled tube where an applied gas…
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Three-phase AC is the dominant mode of electric power generation and distribution in modern societies.…
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Perhaps the most valuable skill an instrument technician can possess is the ability to efficiently diagnose…
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