RTDs are completely passive sensing elements, requiring the application of an externally-sourced electric…
Textbook
A special type flowmeter suited for powdered or granular solids is the weighfeeder. One of the most common…
Textbook
Valve actuators provide force to move control valve trim. For precise positioning of a control valve, there…
Textbook
Converting between disparate units of measurement is the bane of many science students. The problem is worse…
Textbook
Atom: the smallest unit of matter that may be isolated by chemical means. Particle: a part of an atom,…
Textbook
An on/off valve is the fluid equivalent of an electrical switch: a device that either allows unimpeded flow or…
Textbook
A unique form of differential pressure-based flow measurement deserves its own section in this flow…
Textbook
Much of our knowledge about atomic structure comes from experimental data relating the interaction between…
Textbook
There are multiple motives for compromising the security of an industrial control system, some of which…
Textbook
Much has been written about the benefits of robust PID control. Increased productivity, decreased equipment…
Textbook
An important type of “accessory” relay, especially for legacy electromechanical protective relays,…
Textbook
Non-dispersive analysis, while newer in discovery than dispersive analysis (Isaac Newton’s 17th-century…
Textbook
An interesting parallel to the “unity fraction” unit conversion technique is something referred to…
Textbook
Lipták, Béla G. et al., Instrument Engineers’ Handbook – Process Measurement and Analysis Volume I,…
Textbook
The vast majority of PID controllers in service today are digital in nature. Microprocessors executing PID…
Textbook
First, let us review some of the properties of differentials and derivatives, referencing the expression and…
Textbook
To better understand the design and operation of self-balancing pneumatic mechanisms, it is helpful to examine…
Textbook
These fortifications focus on human behavior rather than system design or component selection. In some ways…
Textbook
Circuit breakers used in residential, commercial, and light industrial service are self-tripping devices: they…
Textbook
Some of the simplest types of digital communication networks found in industry are defined by the EIA…
Textbook
One of the most common, and most useful, pressure measuring instruments in industry is the differential…
Textbook
Facebook
Google
GitHub
Linkedin