TB 9-6625-1493-35
Calibrator output
Test instrument
AC Measurement Standard
RANGE
Initial
Adjustments
switch
voltage
Voltage
(fig. 1)
settings
(V)
dials
Min
Max
(R)
20 kHz
1.0
1
1.000000
.9983500
1.0016500
C502
20 Hz
1.0
1
1.000000
.9969750
1.0030250
---
10 kHz
1.0
1
1.000000
.9992000
1.0008000
---
400 Hz
10
101
10.00000
9.994450
10.005550
R403
20 kHz
10
10
10.00000
9.983500
10.016500
C401
20 Hz
10
10
10.00000
9.969750
10.030250
---
---
10 kHz
10
10
10.00000
9.992000
10.008000
400
Hz
100
1002
100.0000
99.94450
100.05550
R406
20
kHz
100
100
100.0000
99.83500
100.16500
C403
---
20
Hz
100
100
100.0000
99.69750
100.30250
---
10
kHz
100
100
100.0000
99.92000
100.08000
400
Hz
500
10003
500.000
499.7100
500.2900
R410
10
kHz
5004
1000
500.000
499.5750
500.4250
C405
---
400
Hz
600
1000
600.000
599.4000
600.6000
---
10
kHz
600
1000
600.000
599.4000
600.6000
---
20
kHz
600
1000
600.000
599.0000
601.0000
1Obtain
final null on the .01 NULL switch position.
2Obtain final null on the .1 NULL switch position.
3Obtain final null on the 1 NULL switch position.
4Power amplifier required.
(7) Connect equipment as shown in figure 5.
(8) Set ratio transformer dial to .0010000.
(9) Position controls as listed in (a) through (c) below:
16 CHANGE 2
