Thermocouple Temperature Measurement Errors
What are the major sources of error in a Thermocouple (TC) measurement? Basically a TC behaves in a very predictable manner – it either works or it does not work.…
Proximity switches Circuit Diagram Operation
A proximity switch is one detecting the proximity (closeness) of some object. By definition, these switches are non-contact sensors, using magnetic, electric, or optical means to sense the proximity of objects. A…
Pushbutton switches and Types of Switches
A hand switch / Pushbutton switch is exactly what the name implies: an electrical switch actuated by a person’s hand motion. These may take the form of toggle, pushbutton, rotary, pull-chain,…
Basics of Cable Shields
shield is a metallic covering enclosing an insulated conductor or group of conductors. Though sometimes similar in appearance, shields for electronic and power cables perform very different functions. Electronic cable shields…
Types of Orifice Plates & Orifice Plate Tappings
Orifice plate pressure tappings are used to allow the transmitter to tap into the pipe to measure high and low-pressure sides of flow.
Basic Principles of Electricity
Electricity Electricity, simply put, is the flow of electric current along a conductor. This electric current takes the form of free electrons that transfer from one atom to the next. Thus,…
Deluge Valve Working Principle
What is a Deluge Valve ? Deluge Valves are used in conditions that require for quick application of large volumes of water and, for that reason, are often integral components in…
Circuit Breaker Working Principle Animation
A circuit breaker is an automatically-operated electrical switch designed to protect an electrical circuit from damage caused by overload of electricity or short circuit. A circuit breakers function is to…
What is a Mimic Panel ?
Even though PCs are widely used for viewing of the processes, there is still no substitute to mimic panels which are also called as mimic display panels. In mimic display…
Foundation Fieldbus Tutorials
In each tutorial different aspect of fieldbus technology, installation, and applications etc are covered. Much of the material from these tutorials is found in the following 12-Part Presentation Series. If…
