Phasors are to AC circuit quantities as polarity is to DC circuit…
Constructing PID control systems using discrete components is a…
The vast majority of modern process transmitters (both analog and…
An extremely important topic in engineering is that of transfer…
Creative Commons Attribution 4.0 International Public License By…
RTDs are completely passive sensing elements, requiring the…
A whole class of problem-solving techniques focuses on altering the…
A powerful mathematical concept useful for analyzing practically any…
In reliability engineering, it is important to be able to quantity the…
Circuit breakers used in residential, commercial, and light industrial…
In this section I will show screenshots from a process loop simulation…
This section does not describe a particular type of flowmeter, but…
A machine in the broad sense of the word is any device designed to…
For better or worse, there are no fewer than three different forms of…
The following animation shows how the “rotating” magnetic…
The following animation shows a rotating phasor in three-dimensional…
A completely different way of measuring liquid level in vessels is to…
As we have seen, the concept of integration is finding the…
The key to understanding how three-phase electric motors work is to…
(Will be addressed in future versions of this book)
Filled-bulb systems exploit the principle of fluid expansion to…
There are several different methods useful for causing an AC induction…
Take for instance the problem of measuring fluid flow through a pipe.…
The digital multimeter (DMM) is quite possibly the most useful tool in…
A control strategy similar to ratio control is relation control. This…
A positive displacement flowmeter is a cyclic mechanism built to pass…
Once while working as an instrument technician in an aluminum foundry,…
Weight-based level instruments sense process level in a vessel by…
A very simple device used to measure pressure is the manometer: a…
