To better understand the design and operation of self-balancing pneumatic mechanisms, it is helpful to examine…
Textbook
Electrical power grids primarily consist of three-phase AC circuits. This means most power lines (transmission…
Textbook
Many liquid substances undergo a process whereby their constituent molecules split into positively and…
Textbook
To understand just how different FOUNDATION Fieldbus is from other digital instrument systems, consider a…
Textbook
Shown here is a partial listing of principles applied in the subject matter of this chapter, given for the…
Textbook
The disadvantages of pneumatic instruments are painfully evident to anyone familiar with both pneumatic and…
Textbook
The following collection of photographs chronicles the complete disassembly of a Fisher E-body globe valve…
Textbook
Pipe is a hollow structure designed to provide an enclosed pathway for fluids to flow, usually manufactured…
Textbook
Flow, by definition, is the passage of material from one location to another over time. So far this chapter…
Textbook
A Safety Instrumented Function, or SIF, is one or more components designed to execute a specific…
Textbook
Labwork is an essential part of any science-based curriculum. Here, much improvement may be made over the…
Textbook
Learning PLC programming is a very important skill. If your job involves programming, then you will likely…
Textbook
Constructing PID control systems using discrete components is a fairly simple method involving operational…
Textbook
Current is the name we give to the motion of electric charges from a point of high potential to a point of low…
Textbook
In November of 2007 a new computer virus was submitted to a virus scanning service. The purpose of this new…
Textbook
An important performance parameter for transmitter instruments is something often referred to as turndown or…
Textbook
Capacitors store energy in electric fields, proportional to the square of voltage. Inductors store energy in…
Textbook
These fortifications focus on human behavior rather than system design or component selection. In some ways…
Textbook
Self-balancing pneumatic instrument mechanisms are very similar to negative-feedback operational amplifier…
Textbook
As defined previously, calibration means the comparison and adjustment (if necessary) of an instrument’s…
Textbook
A fluid is any substance having the ability to flow: to freely change shape and move under the influence of a…
Textbook
A very common form of on/off valve used for pneumatic and hydraulic systems alike is the solenoid valve. A…
Textbook
First, let us review some of the properties of differentials and derivatives, referencing the expression and…
Textbook
Developed by the Modicon company (the original manufacturer of the Programmable Logic Controller, or PLC) in…
Textbook
(Will be addressed in future versions of this book)
Textbook
A technological advance introduced in the late 1980’s was HART, an acronym standing for Highway…
Textbook
Sample sizes of chemical substances are often measured in moles. One mole of a substance is defined as a…
Textbook
Valve actuators provide force to move control valve trim. For precise positioning of a control valve, there…
Textbook
Weight-based level instruments sense process level in a vessel by directly measuring the weight of the vessel.…
Textbook
Another category of control strategies involves the use of signal relays or function blocks with the ability…
Textbook
The transformer is one of the most important components in all of AC circuitry. Principally used to…
Textbook
A great many chemical composition measurements may be made indirectly by means of electricity, if those…
Textbook
The Law of Mass Conservation states that matter can neither be created nor destroyed. The Law of Energy…
Textbook
Linearity of Measurement Instruments The purpose of calibration is to ensure the input and output of an…
Textbook
Recall that an exothermic chemical reaction is one that releases a net sum of energy, as opposed to an…
Textbook
These fortifications focus on human behavior rather than system design or component selection. In some ways…
Textbook
Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while…
Textbook
Pipe is a hollow structure designed to provide an enclosed pathway for fluids to flow, usually manufactured…
Textbook
Fieldbus devices require far more attention in their initial setup and commissioning than their analog…
Textbook
At the root of successful system diagnosis is a rigorous adherence to scientific reasoning. There exists no…
Textbook
Facebook
Google
GitHub
Linkedin