TB 9-6625-2348-35
(6) Adjust C2 (fig. 1) until TI indicates 3.500 V ac (R).
(7) Change calibrator output amplitude to 35.00 V at a frequency of 10 kHz.
(8) Adjust C3 (fig. 1) until TI indicates 35.00 V ac (R).
a. Performance Check
(1) Connect TI mA/A and COM to calibrator.
(2) Set TI function switch to A
and push blue button.
(3) Set calibrator output for 350.0 A at a frequency of 60 Hz.
TI will indicate
within limits specified in first row of table 9.
(4) Repeat technique of (3) above, using calibrator outputs and indications listed in
Calibrator output
Test instrument
Amplitude
Frequency
Indications
Min
Max
350
A
346.3 A
353.7 A
60 Hz
350
A
346.3 A
353.7 A
1 kHz
3463
A
3537 A
3.5 mA
60 Hz
3463
A
3537 A
3.5 mA
1 kHz
(5) Set function switch to mA/A
and push blue button.
(6) Set calibrator output for 35 mA at a frequency of 60 Hz. TI will indicate within
(7) Repeat technique of (6) above, using calibrator outputs and indications listed in
Calibrator output
Test instrument
Amplitude
Frequency
Indications
Min
Max
35.37 mA
35 mA
60
Hz
34.63 mA
35.37 mA
35 mA
1 kHz
34.63 mA
353.7
mA
350 mA
60
Hz
346.3
mA
353.7
mA
350 mA
1 kHz
346.3
mA
(8) Set calibrator output to minimum.
(9) Move connection from TI mA/A input to TI A input and from calibrator outputs
to amplifier outputs.
(10) Set calibrator output for 3.5 A at a frequency of 60 Hz. TI will indicate within
(11) Repeat technique of (10) above, using calibrator outputs and indications listed in
10 CHANGE 3