Up until this point, we have explored various types of instrumentation diagram, each one making reference to…
Textbook
A very simple device used to measure pressure is the manometer: a fluid-filled tube where an applied gas…
Textbook
In some process applications, it is important that the control valve be able to completely stop fluid flow…
Textbook
A number of different sensors used in instrumentation generate DC voltage signals proportional to the process…
Textbook
Textbook
(Will be addressed in future versions of this book)
Textbook
A great many chemical composition measurements may be made indirectly by means of electricity, if those…
Textbook
A hand switch is exactly what the name implies: an electrical switch actuated by a person’s hand motion.…
Textbook
Perhaps the most important rule to obey when using pneumatic instruments is to maintain clean and dry…
Textbook
Suppose we wished to measure the rate of propane gas flow through a hose to a torch: Flowmeters appropriate…
Textbook
Linearity of Measurement Instruments The purpose of calibration is to ensure the input and output of an…
Textbook
An important design parameter of a control valve is the position it will “fail” to if it loses…
Textbook
The vast majority of modern process transmitters (both analog and digital) come equipped with a feature known…
Textbook
An variable-area flowmeter is one where the fluid must pass through a restriction whose area increases with…
Textbook
Some analyzers measure the composition of a process stream by directly immersing the sensing element in that…
Textbook
An interesting parallel to the “unity fraction” unit conversion technique is something referred to…
Textbook
In reliability engineering, it is important to be able to quantity the reliability (or conversely, the…
Textbook
The dispersion of visible light into its constituent colors goes all the way back to the 17th century with…
Textbook
Suppose we wished to measure the consumption of propane over time for a large propane storage tank supplying a…
Textbook
There are many process control applications in the industry where it is desirable to have multiple control…
Textbook
Facebook
Google
GitHub
Linkedin