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Page Title:
Table 1-2. Differential Dc Voltmeter Specifications* |
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 TM 11-6625-537-14-1
Table 1-2. Differential Dc Voltmeter Specifications*
NOTE
Any NULL control setting may be used at any time although the listed settings are most useful
Input
RANGE
NULL
Input resistance
setting
setting
(per volt of input )
At 1% off null
At null
10
Infinite
100 megohm
50 to 500 Vdc 500
1
Infinite
1,000 megohms
1,000 megohms
Infinite
1
5 to 50 Vdc
50
10,000 megohms
Infinite
.1
10,000 megohms
Infinite
5
.1
0.5 to 5 Vdc
.01
10,000 megohms
Infinite
10,000 megohms
Infinite
.5
.1
0 to 0.5 Vdc
10,000 megohms
Infinite
.01
*Accuracy: 0.05 percent of input voltage from 0.1 to 500 Vdc , (0.05 percent +50 microvolts)
below 0.1 Vdc.
Table 1-3. Differential AC Voltmeter Accuracy
Input voltage
Accuaracy
20 Hz to 10 kHz
0.2%
0.5 to 500 Vac
10 Hz to 20 Hz
0.5%
5 Hz to 10 Hz
3%
20 Hz to 10 kHz
0.001 to 0.5 Vac
0.2% +25 uv
10 Hz to 20 Hz
0.2% +25 uv
5 Hz to 10 Hz
3% +25 uv
Table 1-4. Differential AC Voltmeter Specifications
NOTE
Any NULL control setting may be used at any time although the listed settings are most useful.
Input Impedance
RANGE setting
NULL setting
Input
1 megohm, 35f
1
50 to 500 Vac
500
1 megohm, 35f
.1
.01
1 megohm, 35f
1
1 megohm, 35 f
50
5 to 50 Vac
1 megohm, 35 f
.1
.01
1 megohm, 35 f
1 megohm, 50 f
1
5
0.5 to 5 Vac
1 megohm, 50 f
.1
1 megohm, 50 f
.01
1 megohm, 50 f
1
.5
0.001 to 0.5 Vac
1 megohm, 50 f
.1
1 megohm, 50 f
.01
Table 1-5. Voltage Readout Dial Resolution
Readout dial resolution
NULL setting
RANGE setting
0.01V (10 mv)
any
500
0.001V (1 mv)
any
50
0.0001V (100v)
any
5
0.00001V (10v)
any
.1
1-3
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