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Basic Components Common to all Radio Systems

Textbook

“Radio” systems use electromagnetic fields to communicate…

Practical PID Controller Features

Textbook

In order for any PID controller to be practical, it must be able to do…

Filled-bulb Temperature Sensors

Textbook

Filled-bulb systems exploit the principle of fluid expansion to…

Formulae for Common Chemical Compounds

Textbook

Most of these formulae appear in molecular chemical form rather than…

LRV and URV Settings, Digital Trim (Digital Transmitters)

Textbook

The advent of “smart” field instruments containing…

Interposing Relays in PLCs

Textbook

In addition to directly performing logic functions, electromechanical…

New Content

Textbook

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

Thermocouple Types, Junctions, Connector and Tip Styles

Textbook

RTDs are completely passive sensing elements, requiring the…

Numerical Differentiation

Textbook

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

National Institute of Standards and Technology (NIST) Traceability

Textbook

As defined previously, calibration means the comparison and adjustment…

Pressure Switches

Textbook

A pressure switch is one detecting the presence of fluid pressure.…

Process and Instrument Diagrams

Textbook

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

Mechanical Pressure Elements

Textbook

Mechanical pressure-sensing elements include the bellows, the…

FOUNDATION Fieldbus H1 Protocol Segment Troubleshooting

Textbook

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

Functional Diagrams: the Flow of Information within a Control System

Textbook

A unique form of technical diagram for describing the abstract…

Comparison of Op-Amp Circuits With Analogous Pneumatic Mechanisms

Textbook

Self-balancing pneumatic instrument mechanisms are very similar to…

Feedforward Control

Textbook

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

Pressure-based Flowmeters

Textbook

All masses require force to accelerate (we can also think of this in…

Digital Representation of Text

Textbook

Binary patterns are not just able to represent numerical values. Given…

Temperature Switches

Textbook

A temperature switch is one detecting the temperature of some…

Dimensional Analysis

Textbook

An interesting parallel to the “unity fraction” unit…