Many liquid substances undergo a process whereby their constituent…
When I began teaching full-time in 1998, most of what I thought I…
Atom: the smallest unit of matter that may be isolated by chemical…
The vast majority of PID controllers in service today are digital in…
In November of 2007 a new computer virus was submitted to a virus…
These fortifications focus on human behavior rather than system design…
The next level of detail is the Process and Instrument Diagram, or…
Perhaps the most important rule of controller tuning is to know the…
Every flow-measuring instrument exploits a physical principle to…
The electrical conductivity of liquids is an important analytical…
“Polyphase” means “many phases,” describing a…
pH is the measurement of the hydrogen ion activity in a liquid…
This section does not describe a particular type of flowmeter, but…
“As to methods there may be a million and then some, but…
I remember first learning about the world-wide Internet, and wondering…
As we have seen, the concept of differentiation is finding the…
Like so many other industrial data networks, FOUNDATION Fieldbus is an…
A whole class of problem-solving techniques focuses on altering the…
To calibrate an instrument means to check and adjust (if necessary)…
An interesting parallel to the “unity fraction” unit…
Earlier in this chapter you were shown a model of a nitrogen atom with…
Another category of control strategies involves the use of signal…
Most pneumatic instruments use a simple but highly sensitive mechanism…
The most popular form of signal transmission used in modern industrial…
As defined previously, calibration means the comparison and adjustment…
Those familiar with industrial instrumentation will find much within…
Cyber-security seems to have its own vocabulary, ranging from unwieldy…
A very helpful method for understanding the operation of proportional,…
As previously defined, calibration refers to the checking and…
Regulating the electric power sent to an electric motor is a task…
A machine in the broad sense of the word is any device designed to…
Impedance in a series circuit is the orthogonal sum of resistance and…
The Law of Mass Conservation states that matter can neither be created…
Level gauges are perhaps the simplest indicating instrument for liquid…
Some of the simplest types of digital communication networks found in…
Shown here is a partial listing of principles applied in the subject…
Like so many other industrial data networks, FOUNDATION Fieldbus is an…
Sensors used to measure vibration come in three basic types:…
I remember first learning about the world-wide Internet, and wondering…
Self-balancing mechanisms consisting solely of a baffle/nozzle…
