“ELECTROMECHANICAL INSTRUMENTS” DC Voltmeter Series Ohmmeter Shunt Ohmmeter Volt-Ohm-Millimeter

1. Instrumentation and Measurements by David A Bell
Presented By: Engr. FAZAL UR REHMAN
Lecturer Electrical KPTEVTA
Visiting Lecturer COMWAVE INSTITUTE ISLAMABAD

2. Today's Topics
“ELECTROMECHANICAL INSTRUMENTS”
a) DC Voltmeter
b) Series Ohmmeter
c) Shunt Ohmmeter
d) Volt-Ohm-Millimeter

3. DC Voltmeter

8. Series Ohmmeter

11. Example on series ohmmeter

13. Shunt Ohmmeter

16. Assignment No. 1
write brief difference between series and shunt
ohmmeter.

17. Volt-Ohm-Millimeter

20.  This VOM can be used as;
 DC Ammeter
 DC Voltmeter
 AC Voltmeter
 AC ammeter
 And many other application. So it is also named as Multi
meter.

21. Any Question???