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Humidity measurement

Hair hygrometer, principle operation and application

Hygrometers are humidity sensors, The hair hydrometer is a type of absorption hydrometer and...
Temperature Measurement

What is Dew point meter? Operation

What is a Dew point meter? Dew point is, When cooled at constant pressure, if...
Flow Measurement

Advantages and Disadvantages of Flowmeters,

Electromagnetic flowmeters Advantages: Unobstructed flow passage without projecting parts No moving parts No additional pressure...
Analytical Instrumentation

Rotameter type vicosmeter

Rotameter type viscometers are used both industrially and in the pilot plant to measure...
SIS/ESD

What is SIS? Difference between SIS and ESD

An instrumented safety function, or SIF, is one or more components designed to perform...
Electrical

What is Multi-conductor cable?

What is Multi-conductor cable? Multi-conductor cables are a single variation of twisted cable, and each...
PLC

PLC controller Input/output Interface

PLC controller inputs An automated system depends to a large extent on the ability of...
Interview Questions

Electrical Interview Questions – Part 2

1. Why the capacitors works on ac only? Generally, the capacitor provides infinite resistance to...
Interview Questions

Electrical Interview Questions – Part 1

1. What is "pu" in electrical engineering? Pu means per unit and this will be...
Electrical

What are fixed resistors? Types of Fixed value Resistors

What are fixed resistors? The electrical behavior of a resistor obeys Ohm's law for a...
Flow Measurement

Doppler Flowmeter, principle, construction and advantages

Doppler flow meters are based on the Doppler principle. The transmitter of a Doppler...
Level Measurement

Paddle level switch Working

Table of ContentsWhat is a paddle level switch?Working Principle of Paddle Level Switch:Advantages of...
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