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Phasor Analysis of Transformer Circuits

Textbook

Three-phase AC is the dominant mode of electric power generation and…

FOUNDATION Fieldbus H1 Protocol Segment Troubleshooting

Textbook

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

Classical Mechanics

Textbook

Classical mechanics (often called Newtonian mechanics in honor of…

Periodic Table of the Ions

Textbook

Mechanical Vibration Switches

Textbook

A much simpler alternative to continuous vibration sensors…

National Institute of Standards and Technology (NIST) Traceability

Textbook

As defined previously, calibration means the comparison and adjustment…

Instrument and Process Equipment Symbols

Textbook

This section shows some of the many instrument symbols found in…

High-reliability Control Systems

Textbook

As discussed at the beginning of this chapter, instrumentation safety…

Electrical Pressure Elements

Textbook

Several different technologies exist for the conversion of fluid…

Open-ended, Shorted and Properly Terminated Transmission Lines

Textbook

Many years ago, when I was first learning about electricity, I…

Vibration Physics

Textbook

One very convenient feature of waves is that their properties are…

Electrical Sources and Electronic Load

Textbook

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

FOUNDATION Fieldbus Design Philosophy

Textbook

To understand just how different FOUNDATION Fieldbus is from other…

Self-regulating, Integrating, and Runaway Process Characteristics

Textbook

Perhaps the most important rule of controller tuning is to know the…

FOUNDATION Fieldbus H1 Protocol Physical Layer

Textbook

Layer 1 of the OSI Reference Model is where we define the…

Introduction to Modbus

Textbook

Developed by the Modicon company (the original manufacturer of the…

Pressure Sensor Accessories

Textbook

Multiple accessories exist for pressure-sensing devices to function…

Feedforward Control

Textbook

“Feedforward” is a rather under-used control strategy…

Quantitative PID Tuning Procedures

Textbook

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

The HART Digital/Analog Hybrid Standard

Textbook

A technological advance introduced in the late 1980’s was HART,…

Control Valve Actuators

Textbook

The purpose of a control valve actuator is to provide the motive force…

An Analogy for Calibration Vs Ranging

Textbook

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

Radio-energy Pulse in Guided-wave Radar Level Measurement

Textbook

The following animation shows how a radio-energy pulse travels down…

Analog to Digital Conversion and ADCs

Textbook

In order to provide an interface between the internal (digital) world…

Energy in Chemical Reactions

Textbook

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

Actuator Bench-set

Textbook

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

Transmission Control Protocol (TCP) and User Datagram Protocol (UDP)

Textbook

At the next OSI Reference Model layer (layer 4) is a set of protocols…

Circuit Failure Analysis

Textbook

Perhaps the most valuable skill an instrument technician can possess…

Teaching Diagnostic Principles and Practices

Textbook

Diagnostic ability is arguably the most difficult skill to develop…

Distance (21) Protection

Textbook

A form of protection against faults on long-distance power lines is…

Directional Overcurrent (67) Protection

Textbook

While 50 and 51 (instantaneous and time overcurrent) relay functions…

Proper Care and Feeding of Pneumatic Instruments

Textbook

Perhaps the most important rule to obey when using pneumatic…

Digital PID Algorithms

Textbook

Instrument technicians should not have to concern themselves over the…

References

Textbook

Lipták, Béla G. et al., Instrument Engineers’ Handbook – Process…

Auxiliary and Lockout (86) Relays

Textbook

An important type of “accessory” relay, especially for…

Change-of-quantity Flow Measurement

Textbook

Flow, by definition, is the passage of material from one location to…

Analog Signal Conditioning and Referencing

Textbook

Modern analog-to-digital converters are phenomenally accurate,…

Dispersive Spectroscopy

Textbook

The dispersion of visible light into its constituent colors goes all…

Weighfeeders

Textbook

A special type flowmeter suited for powdered or granular solids is the…

Insertion Flowmeters

Textbook

This section does not describe a particular type of flowmeter, but…