A fluid is any substance having the ability to flow: to freely change shape and move under the influence of a…
Textbook
Process measurements are often of an analog nature: the temperature of a furnace, the rate of fluid flow…
Textbook
An electric motor is often used as a discrete control element in a control system if driving a pump, conveyor…
Textbook
Classical mechanics (often called Newtonian mechanics in honor of Isaac Newton) deal with forces and motions…
Textbook
Perhaps the most important rule of controller tuning is to know the process before attempting to adjust the…
Textbook
Process measurements are often of an analog nature: the temperature of a furnace, the rate of fluid flow…
Textbook
Capacitance Any two electrical conductors separated by an insulating medium possess the characteristic called…
Textbook
At the next OSI Reference Model layer (layer 4) is a set of protocols specifying how reliable communication…
Textbook
A machine in the broad sense of the word is any device designed to translate some form of energy into useful…
Textbook
(Will be addressed in future versions of this book)
Textbook
Atom: the smallest unit of matter that may be isolated by chemical means. Particle: a part of an atom,…
Textbook
Phasors are to AC circuit quantities as polarity is to DC circuit quantities: a way to express the…
Textbook
As previously defined, calibration refers to the checking and adjustment of an instrument so that its output…
Textbook
A much simpler alternative to continuous vibration sensors (displacement or acceleration) and monitoring…
Textbook
While the term “probability” may evoke images of imprecision, probability is in fact an exact…
Textbook
One of the simplest classes of temperature sensor is one where temperature effects a change in electrical…
Textbook
An engineer named Bob Metcalfe conceived the idea of Ethernet in 1973, while working for the Xerox research…
Textbook
Like so many other industrial data networks, FOUNDATION Fieldbus is an “unswitched” or…
Textbook
At the root of successful system diagnosis is a rigorous adherence to scientific reasoning. There exists no…
Textbook
A hand switch is exactly what the name implies: an electrical switch actuated by a person’s hand motion.…
Textbook
Many traditional flowmeter technologies respond to the volumetric flow rate of the moving fluid.…
Textbook
Volumes could be written about poor diagnostic technique. The following mistakes are not intended to comprise…
Textbook
Negative feedback systems, in general, tend to cause confusion for those first learning their fundamental…
Textbook
A fundamental principle in instrumentation system troubleshooting is that every instrument has at least one…
Textbook
A proximity switch is one detecting the proximity (closeness) of some object. By definition, these switches…
Textbook
The purpose of a control valve actuator is to provide the motive force to operate a valve mechanism. Both…
Textbook
Facebook
Google
GitHub
Linkedin