Optothyristors: Features & Principle of Operation

10 months ago

Silicon Controlled Rectifiers (SCRs), Triacs and other solid-state devices used for switching larger voltages and currents ON and OFF are…

Zener Diode and Emitter-Follower/Series Voltage Regulators

10 months ago

Almost all electronic devices and circuits need a dc source of power for their operation. While batteries and dry cells…

PFDs vs. P&IDs

10 months ago

Process Flow Diagrams (PFDs) defines the major elements of the process schematically i.e. the interconnections of process vessels, pipes and…

Process Instrumentation Diagnostics & Communication Interfaces

10 months ago

There are various technologies that are available that help plant automation personnel to obtain diagnostic data which inform the type…

How a Bubbler Device is used for Level Measurement

10 months ago

An often utilized technique of indirectly measuring a liquid level is to measure the hydrostatic pressure at the bottom of…

Megohmmeter: Function & Operation

10 months ago

The megohmmeter or megger is a portable deflection instrument widely used to check the insulation resistance of electrical cables and…

Microwave Passive Components: Types & Functions

10 months ago

The part of the electromagnetic spectrum referred to as the microwave region loosely includes 1-300 GHz for practical purposes. These…

Sources of Coherent Interference/Noise in Instrumentation Systems

10 months ago

Introduction The knowledge of how to design low noise instrumentation systems is an essential skill that any practicing instrumentation engineer…

What is Optimal Control?

11 months ago

Optimal control is whereby the requirements are formulated as either the minimization of a cost index or the maximization of…

Fiber Optic Temperature Sensors: Principle of Operation & Applications

11 months ago

As the name suggests these sensors employs fiber optics technology to function. A fiber optic sensor generally guides light to…