Linearity of Measurement Instruments The purpose of calibration is to ensure the input and output of an…
Textbook
A different strategy for controlling the flow of fluid is to insert a rotary element into the flow path.…
Textbook
A pressure switch is one detecting the presence of fluid pressure. Pressure switches often use diaphragms or…
Textbook
Several different technologies exist for the conversion of fluid pressure into an electrical signal response.…
Textbook
A positive displacement flowmeter is a cyclic mechanism built to pass a fixed volume of fluid through with…
Textbook
DC electric current signals may also be used to communicate process measurement information from transmitters…
Textbook
Two extremely important principles in electric circuits were codified by Gustav Robert Kirchhoff in the year…
Textbook
Some of the simplest types of digital communication networks found in industry are defined by the EIA…
Textbook
Circuit breakers used in residential, commercial, and light industrial service are self-tripping devices: they…
Textbook
Learning is not merely a process of information transfer. It is first and foremost a transformation of…
Textbook
Another category of control strategies involves the use of signal relays or function blocks with the ability…
Textbook
Perhaps the most basic and necessary protective relay function is overcurrent: commanding a circuit breaker to…
Textbook
When I began teaching full-time in 1998, most of what I thought I understood about good teaching was actually…
Textbook
Many traditional flowmeter technologies respond to the volumetric flow rate of the moving fluid.…
Textbook
A much simpler alternative to continuous vibration sensors (displacement or acceleration) and monitoring…
Textbook
Every programmable logic controller must have some means of receiving and interpreting signals from real-world…
Textbook
As we have seen, the concept of differentiation is finding the rate-of-change of one variable compared to…
Textbook
A very simple device used to measure pressure is the manometer: a fluid-filled tube where an applied gas…
Textbook
Learning PLC programming is a very important skill. If your job involves programming, then you will likely…
Textbook
This section shows some of the many instrument symbols found in different types of technical diagrams used to…
Textbook
Facebook
Google
GitHub
Linkedin