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Automation

Introduction of Siemens PLC

Introduction  Siemens makes several PLC product lines in the SIMATIC S7 family. They are: S7-200,...
PLC

PLC Ladder logic – Timers

A timer is a PLC instruction measuring the amount of time elapsed following an...
Automation

Introduction of Allen Bradley PLC

Introduction  Rockwell Automation traces its history to 1903 and the formation of the Compression Rheostat...
Instrumentation

What is Linear Variable Differential Transformers(LVDT)

Introduction Linear Variable Differential Transformers, LVDT, are the most commonly used passive type transducers. They...
Analytical Instrumentation

Infrared type fire detectors 

Introduction There are different types of fire detectors like UV type fire detectors,Infrared type fire detectors  etc.In...
Level Measurement

Boiler Drum level control

Basic Function of Drum level control: A boiler is used to heat water to steam....
Instrumentation

Types of Signal Transmission

Introduction The secondary electronics of a transmitter amplify and condition the weak electrical signals generated...
Temperature Measurement

Non-Contact Temperature Measurement 

Introduction  All the targets radiate energy in the infrared spectrum. The hotter the target, the...
Temperature Measurement

What is optical pyrometer?

Introduction A pyrometer, or radiation thermometer, is a non-contact instrument that detects the temperature of...
Flow Measurement

Square root extractor for DP flow measurement

Why use square root extractor for DP transmitter? The DP flowmeters measure the differential pressure...
Analytical Instrumentation

UV type fire detectors

Introduction In process plants, sudden release of hydrocarbon / self igniting fluids may develop rapidly...
Flow Measurement

Open channel flow measurement devices | Weirs and Flumes

The primary devices used in open channel flow measurements are weirs and flumes. Unlike...
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