Basic Components Common to all Radio Systems

Textbook

“Radio” systems use electromagnetic fields to communicate…

Solenoid Valves

Textbook

A very common form of on/off valve used for pneumatic and hydraulic…

Digital PID Controllers

Textbook

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

Flow Measurement in Open Channels

Textbook

Measuring the flow rate of liquid through an open channel is not…

Understanding How Three-phase Electric Motors Work

Textbook

The key to understanding how three-phase electric motors work is to…

True Mass Flowmeters

Textbook

Many traditional flowmeter technologies respond to the volumetric flow…

National Institute of Standards and Technology (NIST) Traceability

Textbook

As defined previously, calibration means the comparison and adjustment…

Proximity Switches

Textbook

A proximity switch is one detecting the proximity (closeness) of some…

New Content

Textbook

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

Proper Care and Feeding of Pneumatic Instruments

Textbook

Perhaps the most important rule to obey when using pneumatic…

Basic Components Common to all Radio Systems

Textbook

“Radio” systems use electromagnetic fields to communicate…

Common Educational Fallacies

Textbook

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

Techniques for Analyzing Control Strategies

Textbook

Control strategies such as cascade, ratio, feedforward, and those…

FOUNDATION Fieldbus Design Philosophy

Textbook

To understand just how different FOUNDATION Fieldbus is from other…

Introduction to Capacitors and Capacitance

Textbook

Any two electrical conductors separated by an insulating medium…

Teaching Diagnostic Principles and Practices

Textbook

Diagnostic ability is arguably the most difficult skill to develop…

Elementary Thermodynamics

Textbook

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

Ions in Liquid Solutions

Textbook

Many liquid substances undergo a process whereby their constituent…

Limit Switches

Textbook

A limit switch detects the physical motion of an object by direct…

Industrial Instrumentation Summary for Teachers

Textbook

To summarize some of the key points and concepts for teaching: Do not…

Interconnected Generators

Textbook

Any power grid large enough to meet the demand of an entire nation…

Circuit Failure Analysis

Textbook

Perhaps the most valuable skill an instrument technician can possess…

Limit, Selector, and Override Controls

Textbook

Another category of control strategies involves the use of signal…

FOUNDATION Fieldbus H1 Protocol Data Link Layer

Textbook

Like so many other industrial data networks, FOUNDATION Fieldbus is an…

the Negative Consequences of Poor PID Controller Tuning

Textbook

Much has been written about the benefits of robust PID control.…

True Mass Flowmeters

Textbook

Many traditional flowmeter technologies respond to the volumetric flow…

Ions in Liquid Solutions

Textbook

Many liquid substances undergo a process whereby their constituent…

Sliding-stem Valves

Textbook

A sliding-stem valve body is one where the moving parts slide with a…

Introduction to Protective Relaying

Textbook

Circuit breakers used in residential, commercial, and light industrial…

AC Motor Speed Control

Textbook

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

Boiler Water Level Control System Example

Textbook

Steam boilers are very common in industry, principally because steam…

On/off Control (Bang-bang Control)

Textbook

Once while working as an instrument technician in an aluminum foundry,…

General Problem-solving Techniques

Textbook

A variety of problem-solving techniques have been presented for…

Relation Control

Textbook

A control strategy similar to ratio control is relation control. This…

Physics and Chemistry Terminology and Definitions

Textbook

Atom: the smallest unit of matter that may be isolated by chemical…

Valve Positioners

Textbook

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

Weight-based Level Measurement

Textbook

Weight-based level instruments sense process level in a vessel by…

Ladder Diagram (LD) Programming

Textbook

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

Gas Filter Correlation (GFC) Spectroscopy

Textbook

Using filter cells to eliminate wavelengths associated with…

Instrument Identification Tags

Textbook

Up until this point, we have explored various types of instrumentation…

Radiative Temperature Measurement

Textbook

Temperature measurement devices may be classified into two broad…