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6
Section V
Model 412A
INSTRUMENT
TYPE
DC Voltage Standard
Variable Line Transformer
DC
Voltmeter
AC Voltmeter
~
~
~~
Oscilloscope
Precision Resistors
Oscillator
Table 5-1. Test Equipment Required
REQUIRED CHARACTERISTICS
Range:
0-300V
Accuracy:
0.1%
Current Rating:
10
mA
Output Voltage: to 127 Vac
(or 253 Vac)
Range: 1 V to 300 V
Resolution :
10
mV
Input Resistance: 100
M a
Range: to 300 V
Range: to 10
M a
Sensitivity: 0.01 Vlcm
Resistance:
1
10
100
1K
10
K
30K
5 W
100K 1 W
300
K
1/2
W
1 M
10
M
100
M
10
M
Accuracy :
i
1.0%
2
1.0%
f
1.0%
f
1.0%
+,
1.0%
?
0.1%
2
0.1%
2
0.1%
2
0.1%
2
1.0%
2
1.0%
k
0.1%
-~
~
Frequency : 60 Hz
Output:
IO
V peak
h p - 738BR Voltmeter
Calibrator
1
Superior Electric
Powerstat 3PF116
(for
1
15 V line) 3PF216
(for 230
V
line)
h p - 427A Voltmeter
hp- 427A Voltmeter
h p - 427A Voltmeter
hp
120B Oscilloscope
Part Number:
-hP-
08
1
I-OoFiO
-hP-
hP-
07574346
0757.040
1
-hp-
07574280
-hP-
07574442
Daven
DAS-5
Dale
MF-I
Dale
MFS-112
- h P
06984 16
1
0733401 7
- h P
0698-5049
-hP-
-hP-
08
1
1-2475
-hp- 200CD Wide Range
Oscillator
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