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Book for Instrumentation (A.K.Sawhney) Detail


A course in Electrical and Electronic Measurement and    Instrumentation BY A.K.Sawhney

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Following chapters are important from point of view of GATE exam for instrumentation (IN) 

Please try to solve following things from following chapters 



  • Solved Examples
  • Objective Type Questions
  • Review Questions (Useful in Numerical Type )


Part: I 

Electrical and Electronics Measurement and Measuring Instruments 


Chapter:1  (Types of Instrumentation and basics)


Chapter:2 Characteristics of Instrumentation (Examples, definitions )  


Chapter:3 Error analysis and static analysis, types of error, least square method, probable error etc.. 


Chapter:4 Dynamic Characteristics (Definitions, useful in control system also first, second order system etc..)


Chapter:7 Classification of analog Instrumentation (Table 7.1, examples)


Chapter:8 Galvanometer (Basic only) (Not much in detail )


Chapter:9 Analog Ammeters, Voltmeter and Ohmmeter  (Most Important topics) (Do more and more examples from this chapter) 


Chapter:10 Instrument Transformer (Till Section 10.5, examples till 10.4) 


Chapter:11 Measurement of Power and Watt-meters (Two watt method: Very Imp )


Chapter:12 Measurement of Energy and Industrial Metering (Example: 12.2, 12.3 , few definition )    


Chapter:13 Measurement of Phase and Frequency (Just see example 13.1 )

Chapter:14 Measurement of Resistance (Important Chapter)  (Do all theory and examples) (DC Bridges )

Chapter:15 Potentiometer  (only DC type)

Chapter:16 AC Bridges (Very Important Chapter, also used in Transducers for signal conditioning )

Chapter:19 Opto-electronic Measurements (useful for optical Instrumentation)

Chapter:20 Electronics Instruments (Just overview)

Chapter:21 Cathode Ray Oscilloscope (Different definitions and terms, examples) 

Chapter:22 Instruments for Generation of Waveform  

Chapter:23 Signal Analysers (THD term and just overview)

Chapter:24 High Frequency Measurements (Q Meter ) 


Part: II Electrical and Electronics Instrumentation 
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Useful for Transducer 
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Chapter: 25 Primary Sensing Elements and Transducers 

Chapter:29 Measurement of Non electric Quantities 




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