As discussed at the beginning of this chapter, instrumentation safety…
Using filter cells to eliminate wavelengths associated with…
To review, voltage is the measure of potential energy available to…
Perhaps the most important rule of controller tuning is to know the…
Suppose we wished to measure the rate of propane gas flow through a…
Regulating the electric power sent to an electric motor is a task…
A damper (otherwise known as a louvre) is a multi-element flow control…
The following photograph shows a large air blower in a wastewater…
An extremely important topic in engineering is that of transfer…
Some problem-solving techniques are unique to quantitative problems,…
Most people reading this book have likely had the experience of…
Control strategies such as cascade, ratio, feedforward, and those…
In order to provide an interface between the internal (digital) world…
A form of protection against faults on long-distance power lines is…
A completely different way of measuring liquid level in vessels is to…
Hydrogen ion activity in aqueous (water-solvent) solutions is a very…
Valve actuators provide force to move control valve trim. For precise…
RTDs are completely passive sensing elements, requiring the…
Sometimes we encounter a diversity of instrument signal standards in…
Learning how to tune PID controllers is a skill born of much practice.…