TB 9-6625-141-24
a. Performance Check
A
input and COM to calibrator.
(1)
Connect TI
(2)
Set TI function switch to
2000 range.
(3) Set calibrator output for 1.9 mA. TI will indicate within limits specified for the
(4) Set TI function switch to A
(20 m) range. Set calibrator output for
19mA. TI will indicate within limits specified for the 20 mA range in table 5.
(5) Set the TI RANGE to 200 m. Set calibrator output for 190 mA.
TI will
indicate within limits specified for the 200 m range in table 5.
COM
terminals,
and
(6) Set calibrator output to minimum. Connect TI
observing polarity, to the calibrator amplifier.
(7) Set the TI RANGE to 2000 m. Set the calibrator output for 1.9 A. TI will
indicate within limits specified for the 2000 m range in table 5.
(8) Set the TI RANGE to
(10 A). Set the calibrator output for 9 A. TI will
indicate within limits specified for the 10 A range in table 5.
(9)
Set calibrator output to minimum.
Test Instrument
Limits
Calibrator Output
RANGE
(DC Amps)
(DC Amps)
(DC Amps)
Min
Max
1.9 m
2000
1879
1921
19 m
20 m
18.79 m
19.21 m
190 m
200 m
187.9 m
192.1 m
1m
1.9 m
2000
1879 m
1921 m
2
9
10
8.83
9.17
1
Connect TI to the calibrator amplifier CURRENT OUTPUT terminals, observing polarity.
A
2
Move test lead from TI
terminal.
terminal to TI
b. Adjustments. No adjustments can be made.
a. Performance Check
A
input and COM to calibrator.
(1)
Connect TI
(2)
Set TI function switch to
2000 range.
(3) Set calibrator output for 1.9 mA @ 60 Hz.
TI will indicate within limits
specified for the 2000 μA range in table 6.