Thermocouple Types, Junctions, Connector and Tip Styles

Textbook

RTDs are completely passive sensing elements, requiring the…

Valve Positioners

Textbook

The reason why a pneumatic control valve’s stem position…

Fluid Mechanics

Textbook

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

Elementary Thermodynamics

Textbook

Thermodynamics is the study of heat, temperature, and their related…

Atomic Theory and Chemical Symbols

Textbook

The three “elementary” particles of matter comprising all…

Quantitative PID Tuning Procedures

Textbook

A quantitative PID tuning procedure is a step-by-step approach leading…

Phasors, Phase Shift and Phasor Algebra

Textbook

Phasors are to AC circuit quantities as polarity is to DC circuit…

Teaching Diagnostic Principles and Practices

Textbook

Diagnostic ability is arguably the most difficult skill to develop…

New Content

Textbook

Coy, John J. et. al. (December 2012) Sampled graphic illustrations…

Energy in Chemical Reactions

Textbook

A chemical reaction resulting in a net release of energy is called…

Periodic Table of the Elements

Textbook

All substances are comprised of various elements in various…

True Mass Flowmeters

Textbook

Many traditional flowmeter technologies respond to the volumetric flow…

Proper Care and Feeding of Pneumatic Instruments

Textbook

Perhaps the most important rule to obey when using pneumatic…

Cascade Control

Textbook

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

Null-balance Voltage Measurement

Textbook

A number of different sensors used in instrumentation generate DC…

Gas Filter Correlation (GFC) Spectroscopy

Textbook

Using filter cells to eliminate wavelengths associated with…

Teaching Technical Practices (Labwork)

Textbook

Labwork is an essential part of any science-based curriculum. Here,…

The Concept of Integration

Textbook

Suppose we wished to measure the consumption of propane over time for…

Rotating Magnetic Fields in Three-phase AC Induction Motors

Textbook

The following animation shows how the “rotating” magnetic…

Radiative Temperature Measurement

Textbook

Temperature measurement devices may be classified into two broad…

Analog Electronic PID Controllers

Textbook

Although analog electronic process controllers are considered a newer…

Digital Data Communication Theory

Textbook

One of the great benefits of digital technology is the ability to…

AC Motor Braking

Textbook

There are several different methods useful for causing an AC induction…

An Analogy for Calibration Vs Ranging

Textbook

The concepts of calibration (trimming) and ranging are often difficult…

Chromatography: Methods, Detectors and Species

Textbook

Imagine a major marathon race, where hundreds of runners gather in one…

Force-balance Pressure Transmitters

Textbook

An important legacy technology for all kinds of continuous measurement…

Chemiluminescence Measurement

Textbook

Recall that an exothermic chemical reaction is one that releases a net…

Using Manometers for Measuring Pressure

Textbook

A very simple device used to measure pressure is the manometer: a…

DC Motor Speed Control

Textbook

DC electric motors generate torque by a reaction between two magnetic…

Mathematical Problem-solving Techniques

Textbook

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

Electronic Structure

Textbook

Earlier in this chapter you were shown a model of a nitrogen atom with…

Root Mean Square (RMS) Quantities

Textbook

It is often useful to express the amplitude of an alternating quantity…

Fiber Optic Data Communication

Textbook

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

The International System of Units

Textbook

The very purpose of physics is to quantitatively describe and explain…

Process and Instrument Diagrams

Textbook

The next level of detail is the Process and Instrument Diagram, or…

Introduction to Capacitors and Capacitance

Textbook

Any two electrical conductors separated by an insulating medium…

Control Valve Characterization

Textbook

Control valves are supposed to deliver reliable, repeatable control of…

Function Block Diagram (FBD) Programming

Textbook

(Will be addressed in future versions of this book)

Numerical Differentiation

Textbook

As we have seen, the concept of differentiation is finding the…

Electrical Sources and Electronic Load

Textbook

By definition, a source is a device delivering energy into a system,…

Basics of pH Measurement in Industrial Control

Textbook

Hydrogen ion activity in aqueous (water-solvent) solutions is a very…