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Radiative Temperature Measurement

Textbook

Temperature measurement devices may be classified into two broad…

Legal Code

Textbook

Creative Commons Attribution 4.0 International Public License By…

Actuator Bench-set

Textbook

Valve actuators provide force to move control valve trim. For precise…

Fiber Optic Data Communication

Textbook

Light has long been used as a long-range signaling medium. While…

Ladder Diagram (LD) Programming

Textbook

In the United States, the most common language used to program PLCs is…

Relating 4 to 20 mA Signals to Instrument Variables

Textbook

A 4 to 20 mA current signal represents some signal along a 0 to 100…

P, I, and D Responses Graphed

Textbook

A very helpful method for understanding the operation of proportional,…

Rotary-stem Valves

Textbook

A different strategy for controlling the flow of fluid is to insert a…

Cascade Control

Textbook

A simple control system drawn in block diagram form looks like this:…

Pilot Valves and Pneumatic Amplifying Relays

Textbook

Self-balancing mechanisms consisting solely of a baffle/nozzle…

Digital PID Controllers

Textbook

The vast majority of PID controllers in service today are digital in…

Velocity-based Flowmeters

Textbook

The Law of Continuity for fluids states that the product of mass…

What is Electrical Power?

Textbook

Since we often use electricity to convey energy from one location to…

Ratio Control

Textbook

Most people reading this book have likely had the experience of…

Classified Areas and Electrical Safety Measures

Textbook

Any physical location in an industrial facility harboring the…

Supervisory Control

Textbook

In a manually-controlled process, a human operator directly actuates…

Hand Switches and Stackable Switches

Textbook

A hand switch is exactly what the name implies: an electrical switch…

Fluid Mechanics

Textbook

A fluid is any substance having the ability to flow: to freely change…

Loop Diagrams (Loop Sheets)

Textbook

Finally, we arrive at the loop diagram (sometimes called a loop sheet)…

Fundamental Principles of Industrial Instrumentation

Textbook

Shown here is a partial listing of principles applied in the subject…

Wastewater Disinfection Example

Textbook

The final step in treating wastewater before releasing it into the…

Assessing Student Learning

Textbook

As a general rule, high achievement only takes place in an atmosphere…

Troubleshooting Current Loops

Textbook

A fundamental principle in instrumentation system troubleshooting is…

Non-contact Temperature Sensors

Textbook

Virtually any mass above absolute zero temperature emits…

Analyzer Sample Systems

Textbook

Some analyzers measure the composition of a process stream by directly…

Electrical Signal and Control Wiring

Textbook

There is much to be said for neatness of assembly in electrical signal…

Radiation Level Measurement

Textbook

Certain types of nuclear radiation easily penetrates the walls of…

Kirchhoff’s Current and Voltage Laws

Textbook

Two extremely important principles in electric circuits were codified…

What are Simple Machines?

Textbook

A machine in the broad sense of the word is any device designed to…

Mathematical Problem-solving Techniques

Textbook

Some problem-solving techniques are unique to quantitative problems,…

Input/Output (I/O) capabilities of PLCs

Textbook

Every programmable logic controller must have some means of receiving…

Tube and Tube Fittings

Textbook

Tube, like pipe, is a hollow structure designed to provide an enclosed…

AC Motor Speed Control

Textbook

AC induction motors are based on the principle of a rotating magnetic…

Common Educational Fallacies

Textbook

When I began teaching full-time in 1998, most of what I thought I…

4 to 20 mA Analog Current Signals

Textbook

The most popular form of signal transmission used in modern industrial…

Circuit Breakers and Disconnects

Textbook

Circuit breakers are the “final control elements” of the…

Hand Switches and Stackable Switches

Textbook

A hand switch is exactly what the name implies: an electrical switch…

Classified Areas and Electrical Safety Measures

Textbook

Any physical location in an industrial facility harboring the…

Valve Failure Mode

Textbook

An important design parameter of a control valve is the position it…

Transformer Basics and Principles of Operation

Textbook

The transformer is one of the most important components in all of AC…