TB 9-6625-2135-24
Table 5. Ac Voltage
Calibrator output settings
Test instrument indications
Test instrument
pushbuttons
Voltage
Min
Max
200 m
190 mV
40 Hz
189.67
mV
190.33
mV
200 m
190 mV
9 kHz
189.67
mV
190.33
mV
200 m
100 mV
20 kHz
99.35
mV
100.65
mV
2
1.9 V
40 Hz
1.8967 V
1.9033
V
2
1.9 V
9 kHz
1.8967 V
1.9033
V
2
1.0 V
20 kHz
0.9935 V
1.0065
V
20
19 V
40 Hz
18.967 V
19.033
V
20
19 V
9 kHz
18.967 V
19.033
V
20
10 V
20 kHz
9.935 V
10.065
V
200
190 V
40 Hz
189.67
V
190.33
V
200
190 V
9 kHz
189.67
V
190.33
V
200
100 V
20 kHz
99.35
V
100.65
V
2000
490 V
40 Hz
488.8
V
491.2
V
2000
490 V
900 Hz
488.8
V
491.2
V
2000
490 V
2 kHz
487.1
V
492.9
V
b. Adjustments
(1) Set calibrator to STANDBY.
(2) Press TI 2 pushbutton.
(3) Set calibrator for a 1 V, 200 Hz output. Adjust AC GAIN R204 (R128) (fig. 1) for
a 1.0000 TI indication (R).
(4) Set calibrator for a 100 mV, 200 Hz output.
(5) Press TI 200 m pushbutton. Adjust R133 (fig. 1) for a 100.00 TI indication (R).
(6) Press TI 2 pushbutton.
(7) Set calibrator for a 100 mV, 20 kHz output. Adjust C45 (fig. 1) for a .1000
(1 digit) TI indication (R).
(8) Press TI 200 m pushbutton.
Adjust C42 (fig. 1) for a 100.04 (1 digit) TI
indication (R).
(9) Press TI 20 pushbutton.
(10) Set calibrator for a 10 V, 20 kHz output. Adjust C22 (fig. 1) for a 10.008 (1
digit) TI indication (R).
11. Dc Current
a. Performance Check
(1) Connect calibrator OUTPUT HI and LO to TI A and COM.
A pushbutton.
(2) Press TI
(3) Press TI pushbuttons and set calibrator output for settings listed in table 6. TI
will indicate within limits specified.