Latest Med Grade Inspection / QC Education

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Radiative Temperature Measurement

Textbook

Temperature measurement devices may be classified into two broad…

What is Hydrostatic Pressure?

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A vertical column of fluid generates a pressure at the bottom of the…

Transmitter Damping Adjustments

Textbook

The vast majority of modern process transmitters (both analog and…

Teaching Technical Practices (Labwork)

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

Null-balance Voltage Measurement

Textbook

A number of different sensors used in instrumentation generate DC…

FOUNDATION Fieldbus H1 Protocol Segment Troubleshooting

Textbook

Feedback obtained from industrial users of FF reveal a common pattern:…

VSD and VFD Motor Drive Features

Textbook

Modern DC and AC motor drives provide features useful when using…

Vibration Sensors

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Sensors used to measure vibration come in three basic types:…

Glossary of Cyber-security Terms

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Cyber-security seems to have its own vocabulary, ranging from unwieldy…

Flow Measurement in Open Channels

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

Learn Fundamental Principles, not Procedures

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“As to methods there may be a million and then some, but…

AC Motor Braking

Textbook

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

Proportional-only Control

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

Electrical Sensors: Potential Transformers (PTs) and Current Transformers (CTs)

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The two “process variables” we rely on most heavily in the…

Symbolic Versus Numerical Calculus

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Calculus has a reputation for being difficult to learn, and with good…

Introduction to Optical Analysis

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Light is known to interact with matter in very specific ways, which…

Mechanical Vibration Switches

Textbook

A much simpler alternative to continuous vibration sensors…

Supervisory Control

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

Controller Output Current Loops

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The simplest form of 4-20 mA current loop is the type used to…

Fluorescence Measurement

Textbook

When a high-energy photon strikes an atom, it may eject one of the…