TB 9-6625-2350-35
(a) Function to A (in position).
(b) AC DC to DC (out position).
(c) Range to 200 (in position).
(2) Set calibrator for a 0 A DC output.
(3) Press TI REL pushbutton and verify TI displays 000.000 A 1 count.
NOTE
Leave TI in REL mode for entire DC current check.
(4) Change calibrator output to 190 A. TI will indicate within limits specified in
(5) Repeat technique of (1) (c) and (4) above, using calibrator outputs and TI ranges
Calibrator
Test instrument
output
Range
Indication limits
Min
Max
190 A
200 A
189.610
A
190.390
A
1.9 mA
2.0 mA
1.89610 mA
1.90390 mA
19 mA
20 mA
18.9610 mA
19.0390 mA
190 mA
200 mA
189.610 mA
190.390
mA
1900 mA
2000 mA
1890.30
mA
1909.70
mA
(6) Reduce calibrator output to minimum and connect TI 10A input to amplifier
CURRENT OUTPUT HI and TI INPUT LO to amplifier CURRENT OUTPUT LO.
(7) Press TI 10 range pushbutton (in position).
(8) Set calibrator output to 9.9 A. TI will indicate between 9.8485 and 9.9515 A.
(9) Reduce calibrator output to minimum and disconnect equipment setup.
(10) Press TI REL pushbutton and ensure TI REL annunciator is off.
b. Adjustments. None
a. Performance Check
(1) Connect calibrator OUTPUT HI to TI INPUT HI and calibrator OUTPUT LO
to TI INPUT LO.
(2) Press TI AC DC pushbutton to AC (in position) and 200 range pushbutton (in
position).
(3) Set calibrator for an output of 190.00 A at a frequency of 20 Hz.
TI will
indicate within limits specified in first row of table 8.
(4) Repeat technique of (2) and (3) above, using calibrator outputs and TI ranges in
14 CHANGE 3
PIN: 081048-003