The fundamental principle of electromagnetism is that an electric current will create a magnetic field at…
Textbook
The disadvantages of pneumatic instruments are painfully evident to anyone familiar with both pneumatic and…
Textbook
A hand switch is exactly what the name implies: an electrical switch actuated by a person’s hand motion.…
Textbook
A simple control system drawn in block diagram form looks like this: Information from the measuring device…
Textbook
Imagine a liquid-level control system for a vessel, where the position of a level-sensing float directly sets…
Textbook
An interesting parallel to the “unity fraction” unit conversion technique is something referred to…
Textbook
Learning from reading printed text is a kind of problem-solving activity it is own right. The problem is how…
Textbook
A pressure switch is one detecting the presence of fluid pressure. Pressure switches often use diaphragms or…
Textbook
The electrical conductivity of liquids is an important analytical measurement in many industrial processes.…
Textbook
Take for instance the problem of measuring fluid flow through a pipe. To the layperson, this may seem to be a…
Textbook
There are many process control applications in the industry where it is desirable to have multiple control…
Textbook
As described earlier in this chapter, calibration refers to the adjustment of an instrument so its output…
Textbook
Filled-bulb systems exploit the principle of fluid expansion to measure temperature. If a fluid is enclosed in…
Textbook
To summarize some of the key points and concepts for teaching: Do not waste class time transmitting facts to…
Textbook
Linearity of Measurement Instruments The purpose of calibration is to ensure the input and output of an…
Textbook
Impedance in a series circuit is the orthogonal sum of resistance and reactance: \[Z = \sqrt{R^2 + (X_L -…
Textbook
Temperature measurement devices may be classified into two broad types: contact and non-contact. Contact-type…
Textbook
Those familiar with industrial instrumentation will find much within the electric power industry remarkably…
Textbook
The digital multimeter (DMM) is quite possibly the most useful tool in the instrument technician’s…
Textbook
Non-dispersive analysis, while newer in discovery than dispersive analysis (Isaac Newton’s 17th-century…
Textbook
Facebook
Google
GitHub
Linkedin