A powerful mathematical concept useful for analyzing practically any physical system – electrical…
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Although analog electronic process controllers are considered a newer technology than pneumatic process…
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In reliability engineering, it is important to be able to quantity the reliability (or conversely, the…
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RTDs are completely passive sensing elements, requiring the application of an externally-sourced electric…
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An extremely important topic in engineering is that of transfer functions. Simply defined, a transfer function…
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A whole class of problem-solving techniques focuses on altering the given problem into a simpler form that is…
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The vast majority of modern process transmitters (both analog and digital) come equipped with a feature known…
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Creative Commons Attribution 4.0 International Public License By exercising the Licensed Rights (defined…
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Phasors are to AC circuit quantities as polarity is to DC circuit quantities: a way to express the…
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In November of 2007 a new computer virus was submitted to a virus scanning service. The purpose of this new…
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Modern analog-to-digital converters are phenomenally accurate, dependable, repeatable, and surprisingly…
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Once while working as an instrument technician in an aluminum foundry, a mechanic asked me what it was that I…
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Electromechanical relays may be connected together to perform logic and control functions, acting as logic…
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Filled-bulb systems exploit the principle of fluid expansion to measure temperature. If a fluid is enclosed in…
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The concepts of calibration (trimming) and ranging are often difficult for new students of instrumentation to…
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Like many other mathematical operations, the derivative and the integral perform inverse operations from each…
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Capacitors store energy in electric fields, proportional to the square of voltage. Inductors store energy in…
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Sensors used to measure vibration come in three basic types: displacement, velocity, and acceleration.…
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RTDs are completely passive sensing elements, requiring the application of an externally-sourced electric…
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A special type flowmeter suited for powdered or granular solids is the weighfeeder. One of the most common…
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A whole class of problem-solving techniques focuses on altering the given problem into a simpler form that is…
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Perhaps the most valuable skill an instrument technician can possess is the ability to efficiently diagnose…
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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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Learning is not merely a process of information transfer. It is first and foremost a transformation of…
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In reliability engineering, it is important to be able to quantity the reliability (or conversely, the…
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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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A great many precision instruments use the principle of balance to measure some quantity. Perhaps the simplest…
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Although analog electronic process controllers are considered a newer technology than pneumatic process…
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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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