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Instrumentation

Difference between filled impulse line and purged impulse line

Filled impulse lines An alternate method for isolating a pressure-sensing instrument from direct contact with...
Calibration

Different types of calibration

Definition and Need for Calibration According to Webster's Dictionary, calibrate means "to check, adjust, or...
Electrical

Schematic representation of electronic devices

In electronic circuits, there are many electronic symbols that are used to represent or...
Electrical

What is Vacuum Circuit Breaker or VCB ?

Introduction A vacuum circuit breaker is such kind of circuit breaker where the arc quenching...
Instrumentation

How to Troubleshooting  4 -20 mA Current Loops with Loop Calibrator?

Introduction Special-purpose electronic test instruments called loop calibrators are manufactured for the express purpose of 4-20 mA...
Instrumentation

A brief note about Pneumatic instrumentation

Introduction While electricity is commonly used as a medium for transferring energy across long distances,...
Instrumentation

Types of Industrial safety system

Industrial safety system An industrial safety system is a countermeasure crucial in any hazardous plants such...
Electrical

How Quantum Tunneling Composites works?

Introduction First produced in 1996, the Quantum Tunneling Composite (QTC) is a composite material made...
Electrical

How can we control voltage using resistor?

Within a circuit it is often necessary to have different voltages at different stages...
PLC

Simple motor operation using PLC

  PLC  Ladder motor  Problem: Controlling the running state of the 1 ph motor by PLC...
PLC

Math Instructions for PLC

Introduction The majorities of the instructions take two input values, perform the specified arithmetic function,...
Communication

Fiber optics communication

Fiber Optics Fiber optic communication uses light signals guided through a fiber core. Fiber...
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