A Safety Instrumented Function, or SIF, is one or more components designed to execute a specific…
Textbook
Process analyzers measure the concentration of specific substances for the purpose of measuring and/or…
Textbook
Any physical location in an industrial facility harboring the potential of explosion due to the presence of…
Textbook
Modern DC and AC motor drives provide features useful when using electric motors as final control elements.…
Textbook
A level switch is one detecting the level of liquid or solid (granules or powder) in a vessel. Level switches…
Textbook
The term “grid” refers to the conductors and equipment interconnecting power sources to power…
Textbook
An important performance parameter for transmitter instruments is something often referred to as turndown or…
Textbook
The following animation shows a rotating phasor in three-dimensional form. The phasor rotates in a complex…
Textbook
A very simple device used to measure pressure is the manometer: a fluid-filled tube where an applied gas…
Textbook
At the root of successful system diagnosis is a rigorous adherence to scientific reasoning. There exists no…
Textbook
Level gauges are perhaps the simplest indicating instrument for liquid level in a vessel. They are often found…
Textbook
To summarize some of the key points and concepts for teaching: Do not waste class time transmitting facts to…
Textbook
Since we often use electricity to convey energy from one location to another, it is important to be able to…
Textbook
Any conductor possesses a characteristic called inductance: the ability to store energy in the form of a…
Textbook
Some of the simplest types of digital communication networks found in industry are defined by the EIA…
Textbook
Steam boilers are very common in industry, principally because steam power is so useful. Common uses for steam…
Textbook
While the term “probability” may evoke images of imprecision, probability is in fact an exact…
Textbook
Disconnect Switches Disconnects are switches designed to isolate sections of a power system in case of damage…
Textbook
Shown here is a partial listing of principles applied in the subject matter of this chapter, given for the…
Textbook
Electrical power grids primarily consist of three-phase AC circuits. This means most power lines (transmission…
Textbook
Disturbances in the liquid tend to complicate liquid level measurement. These disturbances may result from…
Textbook
The two “process variables” we rely on most heavily in the field of electrical measurement and…
Textbook
Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while…
Textbook
Facebook
Google
GitHub
Linkedin