TB 9-6625-2263-24
10. Ac Voltage
a. Performance Check
(1) Connect calibrator OUTPUT HI and LO to TI V/
INPUT HI and LO.
(2) Press VAC pushbutton.
(3) Press RANGE or pushbutton to select TI range settings and set calibrator
for output settings listed in table 5. If TI does not indicate within limits specified, perform
adjustments listed in table 5.
Table 5. Ac Voltage
Test instrument
Test instrument
Indications
Calibrator output settings
range settings
(VAC)
(VAC)
Adjustments1
Voltage
Min
Max
b(1)
1
1 V
15 Hz
0.953
1.047
b(1)
1
1 V
30 Hz
0.982
1.018
b(1)
1
1 V
200 Hz
0.9975
1.0025
b(2)
1
1 V
15 kHz
0.9975
1.0025
b(2)
1
1 V
90 kHz
0.968
1.032
b(2)
1
1 V
200 kHz
0.94
1.06
b(2)
1
1 V
1 MHz
0.75
1.25
b(3)
10
10 V
1 MHz
7.6995
12.3005
b(3)
10
10 V
200 kHz
9.4399
10.5601
b(3)
10
10 V
90 kHz
9.7039
10.2961
b(3)
10
10 V
15 kHz
9.9852
10.023
b(4)
10
10 V
200 Hz
9.9852
10.023
b(4)
10
10 V
30 Hz
9.8439
10.1561
b(4)
10
10 V
15 Hz
9.5539
10.4461
b(5)
100
100 V
15 Hz
95.719
104.281
b(5)
100
100 V
30 Hz
98.619
101.381
b(5)
100
100 V
200 Hz
99.785
100.215
b(6)
100
100 V
15 kHz
99.785
100.215
b(6)
100
100 V
90 kHz
97.129
102.871
100
50 V
200 kHz
46.699
53.301
---
b(7)
1000
600 V
200 Hz
598.58
601.42
1000
600 V
15 kHz
598.58
601.42
---
1000
600 V
30 kHz
581.76
618.24
---
1000
100 V
90 kHz
91.76
108.24
---
If adjustments are made, verify all checks affected by each adjustment.
1
b. Adjustments
(1) Set calibrator for a 1.6 V, 200 Hz output. Adjust AC CONVERTER R481 GAIN
(fig. 1) for TI indication between 1.59992 and 1.60008 VAC (R).
(2) Set calibrator for a 1.6 V, 20 kHz output. Adjust AC CONVERTER C408 1 V 20
kHz (fig. 1) for TI indication between 1.5988 and 1.60012 VAC (R).
(3) Set calibrator for an 11 V, 20 kHz output. Adjust AC CONVERTER R425 10 V
20 kHz (fig. 1) for TI indication between 10.9988 and 11.0012 VAC (R).
(4) Set calibrator for an 11 V, 200 Hz output. Adjust AC CONVERTER R422 10 V
200 Hz (fig. 1) for TI indication between 10.9994 and 11.0006 VAC (R).
