When I began teaching full-time in 1998, most of what I thought I understood about good teaching was actually…
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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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Atom: the smallest unit of matter that may be isolated by chemical means. Particle: a part of an atom,…
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A positive displacement flowmeter is a cyclic mechanism built to pass a fixed volume of fluid through with…
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Disturbances in the liquid tend to complicate liquid level measurement. These disturbances may result from…
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Light has long been used as a long-range signaling medium. While communication by light through open air is…
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An important legacy technology for all kinds of continuous measurement is the self-balancing system. A…
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In a manually-controlled process, a human operator directly actuates some form of final control element…
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Suppose we wished to measure the consumption of propane over time for a large propane storage tank supplying a…
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Pipe is a hollow structure designed to provide an enclosed pathway for fluids to flow, usually manufactured…
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An important performance parameter for transmitter instruments is something often referred to as turndown or…
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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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“Radio” systems use electromagnetic fields to communicate information over long distances through…
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A number of different sensors used in instrumentation generate DC voltage signals proportional to the process…
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As defined previously, calibration means the comparison and adjustment (if necessary) of an instrument’s…
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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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The majority of flowmeter technologies operate on the principle of interpreting fluid flow based on the…
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An exciting development in industrial instrumentation is the WirelessHART radio communication standard,…
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A level switch is one detecting the level of liquid or solid (granules or powder) in a vessel. Level switches…
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The two “process variables” we rely on most heavily in the field of electrical measurement and…
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