Process analyzers measure the concentration of specific substances for the purpose of measuring and/or…
Textbook
A Safety Instrumented Function, or SIF, is one or more components designed to execute a specific…
Textbook
Any physical location in an industrial facility harboring the potential of explosion due to the presence of…
Textbook
An extremely important topic in engineering is that of transfer functions. Simply defined, a transfer function…
Textbook
A sliding-stem valve body is one where the moving parts slide with a linear motion. Some examples of…
Textbook
Much of our knowledge about atomic structure comes from experimental data relating the interaction between…
Textbook
This section shows some of the many instrument symbols found in different types of technical diagrams used to…
Textbook
“Radio” systems use electromagnetic fields to communicate information over long distances through…
Textbook
The digital multimeter (DMM) is quite possibly the most useful tool in the instrument technician’s…
Textbook
Instrument technicians should not have to concern themselves over the programming details internal to digital…
Textbook
Solids tend to expand when heated. The amount that a solid sample will expand with increased temperature…
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
Capacitance Any two electrical conductors separated by an insulating medium possess the characteristic called…
Textbook
Disconnect Switches Disconnects are switches designed to isolate sections of a power system in case of damage…
Textbook
An electric motor is often used as a discrete control element in a control system if driving a pump, conveyor…
Textbook
Capacitors store energy in electric fields, proportional to the square of voltage. Inductors store energy in…
Textbook
An engineer named Bob Metcalfe conceived the idea of Ethernet in 1973, while working for the Xerox research…
Textbook
The purpose of a control valve actuator is to provide the motive force to operate a valve mechanism. Both…
Textbook
Tube, like pipe, is a hollow structure designed to provide an enclosed pathway for fluids to flow. In the case…
Textbook
A powerful mathematical concept useful for analyzing practically any physical system – electrical…
Textbook
A fundamental limitation of proportional control has to do with its response to changes in setpoint and…
Textbook
The reason why a pneumatic control valve’s stem position corresponds linearly to the amount of air…
Textbook
Once while working as an instrument technician in an aluminum foundry, a mechanic asked me what it was that I…
Textbook
Facebook
Google
GitHub
Linkedin