Process measurements are often of an analog nature: the temperature of a furnace, the rate of fluid flow…
Textbook
A quantitative PID tuning procedure is a step-by-step approach leading directly to a set of numerical values…
Textbook
Process measurements are often of an analog nature: the temperature of a furnace, the rate of fluid flow…
Textbook
An on/off valve is the fluid equivalent of an electrical switch: a device that either allows unimpeded flow or…
Textbook
Using filter cells to eliminate wavelengths associated with interfering gases is called positive filtering in…
Textbook
Atom: the smallest unit of matter that may be isolated by chemical means. Particle: a part of an atom,…
Textbook
Many years ago, when I was first learning about electricity, I happened to discover a length of coaxial…
Textbook
Learning from reading printed text is a kind of problem-solving activity it is own right. The problem is how…
Textbook
A flow switch is one that detects the flow of some fluid through a pipe. Flow switches often use…
Textbook
Perhaps the most valuable skill an instrument technician can possess is the ability to efficiently diagnose…
Textbook
The dispersion of visible light into its constituent colors goes all the way back to the 17th century with…
Textbook
An engineer named Bob Metcalfe conceived the idea of Ethernet in 1973, while working for the Xerox research…
Textbook
A fluid is any substance having the ability to flow: to freely change shape and move under the influence of a…
Textbook
Many liquid substances undergo a process whereby their constituent molecules split into positively and…
Textbook
To better understand the design and operation of self-balancing pneumatic mechanisms, it is helpful to examine…
Textbook
All masses require force to accelerate (we can also think of this in terms of the mass generating a reaction…
Textbook
“As to methods there may be a million and then some, but principles are few. The man who grasps…
Textbook
The purpose of a control valve actuator is to provide the motive force to operate a valve mechanism. Both…
Textbook
Process analyzers measure the concentration of specific substances for the purpose of measuring and/or…
Textbook
A hand switch is exactly what the name implies: an electrical switch actuated by a person’s hand motion.…
Textbook
To understand just how different FOUNDATION Fieldbus is from other digital instrument systems, consider a…
Textbook
Facebook
Google
GitHub
Linkedin