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Page Title:
Ac/Dc Voltmeter Tests (CRC)-continued |
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 TM
55-4920-430-13
d. Disconnect the ac power supply and the digital multimeter from the EXTERNAL METER jacks.
e. Set the METER switch to DC.
f. Connect the positive terminal of the variable dc power supply and positive test lead of the digital
multimeter to EXT METER HI jack J8. Connect the negative terminal of the dc power supply and the
negative test lead of the digital multimeter to EXT METER LO jack J9. Set the digital multi meter to
read dc voltage. Adjust the dc power supply to the input levels listed below. For each dc input level, the
AC/DC VOLTMETER reading shall be as listed below. (See fig. 4-7.)
AC/DC
DC
METER
VOLTMETER READING (DC)
INPUT LEVEL
RANGE SWITCH
.
200 MV
50.0 mV
49.0 to 51.0 mV
100.0 mV
98.4 to 101.6 mV
150.0 mV
147.8 to 152.2 mV
190.0 mV
187.3 to 192.7 mV
220.0 mV
flashing
2V
0.500
V
0.495 to 0.505 V
1.000
V
0.995 to 1.005 V
1.500
V
1.494 to 1.506 V
1.900
V
1.894 to 1.906 V
2.200
V
flashing
20 V
5 .00 V
4.94 to 5.06 V
10.00 V
9.93 to 10.07 V
15.00 V
14.91 to 15.09 V
19.00 V
18.90 to 19.10 V
22.00 V
flashing
200 V
5.0 V
+4.6 to +5.4 V
15.0 V
+14.5 to +15.5 V
30.0 V
+29.4 to +30.6 V
4-23
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