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Thermocouple Types, Junctions, Connector and Tip Styles

Textbook

RTDs are completely passive sensing elements, requiring the…

Thermocouple Types, Junctions, Connector and Tip Styles

Textbook

RTDs are completely passive sensing elements, requiring the…

Industrial Instrumentation Summary for Teachers

Textbook

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

Teaching Technical Theory

Textbook

Learning is not merely a process of information transfer. It is first…

Relay Circuits and Ladder Diagrams

Textbook

Electromechanical relays may be connected together to perform logic…

Troubleshooting Current Loops

Textbook

A fundamental principle in instrumentation system troubleshooting is…

Introduction to Protective Relaying

Textbook

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

Introduction to Power System Automation

Textbook

Those familiar with industrial instrumentation will find much within…

New Content

Textbook

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

Digital PID Algorithms

Textbook

Instrument technicians should not have to concern themselves over the…

Level Gauges (Sightglasses)

Textbook

Level gauges are perhaps the simplest indicating instrument for liquid…

Electrical Resistance and Ohm’s Law

Textbook

To review, voltage is the measure of potential energy available to…

Variable-area Flowmeters

Textbook

An variable-area flowmeter is one where the fluid must pass through a…

Classified Areas and Electrical Safety Measures

Textbook

Any physical location in an industrial facility harboring the…

Elementary Thermodynamics

Textbook

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

Non-dispersive Luft Detector Spectroscopy

Textbook

Non-dispersive analysis, while newer in discovery than dispersive…

Integral (Reset) Control

Textbook

Imagine a liquid-level control system for a vessel, where the position…

Colorimetric and Potentiometric pH Measurement

Textbook

pH is the measurement of the hydrogen ion activity in a liquid…

Dampers and Louvres

Textbook

A damper (otherwise known as a louvre) is a multi-element flow control…

Instantaneous and Time-overcurrent (50/51) Protection

Textbook

Perhaps the most basic and necessary protective relay function is…

4-wire “Passive” Versus “Active” Output Transmitters

Textbook

Some self-powered (4-wire) analog electronic transmitters are designed…

On/off Electric Motor Control Circuits

Textbook

An electric motor is often used as a discrete control element in a…