Basic Instrumentation

                  IE 203 BASIC  INSTRUMENTATION     

Teaching Scheme

   

Examination Scheme

Lectures : 3 hrs/week

 

Mid-Sem – 30, Assignments, Quiz -20

 

 

End-Sem Exam- 50.

 

Unit 1             

   

(10)

Measurement of Resistance:

Introduction, resistance and resistors, resistor types, colour coding of resistor, Measurement of resistance: voltmeter-ammeter method, ohmmeter, DC Bridges: Whetstone bridge-design, arrangement of ratio arms, bridge sensitivity, errors in bridge circuits, null type and deflection type, current and voltage sensitivity bridges, Null, Sensitivity and Calibration adjustments of whetstones bridge, Kelvin bridge and current balance bridge, Various application of DC bridges, miliohmeter, megaohmmeter

 

 

Unit 2

   

(08)

 

Measurement of Inductance:

Introduction, inductance and inductors, inductor structure, transformers and their types, impedence, Measurement of inductance using ac voltmeter, Maxwell’s bridge, , Various applications of Maxwell Bridges, complex impedence measurement: vector impedence meter, Q measurement

 

Unit 3 

   

(08)

 

Measurement of capacitance:

Introduction, capacitance and capacitors, dielectrics, stray capacitance, capacitive reactance, capacitor types, colour coding of capacitors, Capacitance Bridges:, Hay’s bridge, Schering bridge, storage and dissipation factors maseurement

 

Unit 4 

   

(06)

 

Measuring instruments:

PMMC and D’ Arsenovel instruments, Galvanometer, ammeter, voltmeter,  calibration of meters.

 

Unit 5 

   

(06)

 

Measurement of energy and power:

Power in ac circuits and dc circuits, Single phase and polyphase Wattmeters, Electrical energy measurement

 

 

 

Unit 6 

   

(04)

 

Recorders

Rectilinear recording, ink jet, ink pen, thermal, galvanometric recording, paperless, oscillographic, y-t, x-t, single and multi-channel recorders, driving systems for pen and chart, chart speed and their applications

 

Text Books:

·         Electrical and Electronics measurements and Instrumentation by A. K. sawhney, Danpat Rai and Sons.

·         Electronic Instrumentation Techniques by Cooper and Helfrick, PHI

 

 

Reference Books:

·         Electronic Instruments and Measurement by Jones and Chins

·         Network Theory by A Sudhakar and S. S. Palli, TMH