EI2251 Industrial Instrumentation - I Unit 1 Lecture Notes

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Anna University , Chennai
Department of B.E-Electronics and Instrumentation Engg
Fourth Semester
EI2251 Industrial Instrumentation - I 
Unit 1 Lecture Notes
(Regulation 2008) 


Instrumentation:

 “The art and science of measurement and control of process variable within a production or manufacturing area” 

Instrument:
 “An instrument is a device that measures and/or regulates physical quantity, process variable such as flow, temperature, level, pressure”. 

Measurement:
 “The act or result of comparison between a given quantity & a standard quantity (benchmark) chosen as a unit” 

Measurement methods:
Direct method 
      Deflection type 
      Comparison type 
Indirect method

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    EI2251 Industrial Instrumentation - I Unit 1 Lecture Notes