VOLTMETERS
Test Instruments & Measuring Devices
Example:
A voltmeter in the 100 volt range with a sensitivity of 40 KW/V is to measure the
voltage across terminals ab (Figure 5).
Find: 1.
Vo
2.
Vw
3.
Kv
Figure 5 Measuring Circuit Voltage
Solution:
1.
Vo
100KW
100KW
100KW
x 220V
Vo
110 volts
ES-14
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