TB 9-6625-2208-24
10. Dc Current
a. Performance Check
(1) Connect TI A input to calibrator OUTPUT HI and TI COM input to calibrator
OUTPUT LO.
position.
(2) Set the function/ range switch to DCA 200
(3) Set calibrator for an output of 190 A. TI will indicate within limits specified in
first row of table 5.
(4) Repeat technique of (2) and (3) above using settings listed in table 5. TI will
indicate within limits specified in table 5.
Table 5. Dc Current Accuracy
Test instrument
Calibrator
Range
Indication limits
output
setting (DCA)
Min
Max
A
188.5
190
200
191.5
1.9 mA
2m
1.885
1.915
19 mA
20 m
18.85
19.15
190 mA
200 m
188.5
191.5
1.9 A
2 A
1.885
1.915
10 A1
10 A
9.84
10.16
Move positive test lead to TI 10 A input.
1
(5) Reduce all outputs to minimum.
b. Adjustments. No adjustments can be made.
11. Resistance
a. Performance Check
(1) Connect TI V-
input to calibrator OUTPUT HI and TI COM input to
calibrator OUTPUT LO.
(2) Set the function/range switch to 200
position.
nominal output.
(3) Set calibrator for a 190
(4) Rotate calibrator knob below EDIT FIELD pushbutton to adjust calibrator
display indication to equal TI indication. Calibrator err display will indicate within limits
specified in first row of table 6.
(5) Repeat technique of (2) through (4) above, using calibrator outputs and TI
indications listed in table 6. Calibrator err display will indicate within limits specified in
