TB 9-6625-2190-35
(3) Set TI and calibrator for settings listed in table 5. If TI does not indicate within
limits specified, perform b below.
Table 5. Ac Voltage
Test
instrument
Calibrator settings
Test instrument indications
range settings
Voltage
Min
Max
300
mV
300
mV
20
Hz
295.0
305.0
300
mV
300
mV
100
Hz
298.0
302.0
300
mV
300
mV
900
Hz
298.0
302.0
300
mV
300
mV
5
kHz
284.5
315.5
3
V1
3
V
20
Hz
2.950
3.050
3
V
3
V
100
Hz
2.980
3.020
3
V
3
V
900
Hz
2.980
3.020
3
V
3
V
5
kHz
2.845
3.155
30
V
30
V
20
Hz
29.50
30.50
30
V
30
V
100
Hz
29.80
30.20
30
V
30
V
900
Hz
29.80
30.20
30
V
30
V
5
kHz
28.45
31.55
300
V
300
V
40
Hz
295.0
305.0
300
V
300
V
100
Hz
298.0
302.0
300
V
300
V
900
Hz
298.0
302.0
300
V
300
V
5
kHz
284.5
315.5
1000
V
1000
V
40
Hz
980
1020
1000
V
1000
V
100
Hz
990
1010
1000
V
1000
V
900
Hz
990
1010
1000
V
1000
V
5
kHz
945
1055
1Set
function switch to ac V and press RANGE pushbutton for remaining range settings.
b. Adjustments
(1) Set function switch to ac V.
(2) Set calibrator for a 3 V, 100 Hz output.
(3) Press RANGE pushbutton for 3 V range.
(4) Adjust R7 (fig. 1) for a 3.000 V ac 0.001 V ac TI indication (R).
(5) Press RANGE pushbutton for 300 V range.
(6) Set calibrator for a 300 V, 5 kHz output.
(7) Adjust C4 (fig. 1) for a 300.0 V ac 0.1 V ac TI indication (R).
(8) Press RANGE pushbutton for 1000 V range.
(9) Set calibrator for a 1000 V, 5 kHz output.
(10) Adjust C10 (fig. 1) for a 1000 V ac 1 V ac TI indication (R).
(11) Set calibrator for a 30 V, 5 kHz output.
6
