7/21/2019 Emmi Syllabus

http://slidepdf.com/reader/full/emmi-syllabus 1/2

Module 1 (12 Hours)

General Principle of measurements:

1. Absolute and working standards- in Measurements,

2. Classification of instruments:

3. Essentials of indicating instruments

4.  –

a. moving coil ,

 b. Moving iron,

c. dynamometer,d. Induction,

e. !ermal ,

f. electrostatic and

g. rectifier meter "#rinci$les and conce$ts only%-

5. s!unts and multi$liers

Module 2 (12 Hours)

Potentiometers – 

1. &eneral $rinci$le – 

2. dc $otentiometer and

3. ac $otentiometer.

4. A$$lications of dc and ac $otentiometer Bridges:

5. '!eatstone bridge-

. #( )o*-

!. +elvins double bridge,

". Ma*wells bridge –

#. Anderson )ridge,

1$. c!ering )ridge,

11. 'iens bridge "Analysis and #!asor diagram reuired%

Module 3 (14 Hours)

Measurement of resistance, $ower / energy,0. Measurements of low,

1. medium /

2. !ig! resistance,

3. Measurement of eart! resistance –

4. Eart! Megger – 

5. 6ynamometer ty$e 'attmeter, Error / com$ensation –

7. single $!ase energy meter – errors / com$ensation

8. t!ree $!ase Energy meter " construction only% –

9. Electronic energy meter " block diagram %

0. rivector meters,

00. Ma*imum 6emand meters and

01. (6 meters " conce$ts only% ,02. #ower factor Meters

Module 4 (1$ Hours)

%nstrument &ransformers:

0. #rinci$le of Current and #otential transformers –

1. ratio / $!ase angle error,

2. a$$lications-

3. Measurement of s$eed-

4. Measurement of freuency

'aliration of meters:

5. Ammeters,

7. voltmeters,

8. watt meters,9. energy meters.

7/21/2019 Emmi Syllabus

http://slidepdf.com/reader/full/emmi-syllabus 2/2

Module 5 (12 Hours)

Magnetic Measurements:

1. Measurement of flu* and

2.  $ermeability 

3. flu* meters,

4. ); Curve and

5.  $ermeability measurements

*igital Measurements :

. Electronics voltmeter,!.  basic dc voltmeter and

". ac voltmeter using rectifiers.

'+, –

#.  $rinci$le – 

1$.  measurement of voltage, current and freuency –

11. multi c!annel oscillosco$es –

12. digital storage oscillosco$e " Conce$ts only%