TB 9-6625-2335-35
(2) Press DCI key.
(3) Press RANGE ↑ or ↓ key to select ranges listed in table 11. If TI does not
indicate within limits specified, perform b(1), (2), and (8) below.
Test instrument
Indications
Ranges
Min
Max
300 A
A
A
-000.0104
+000.0104
3 mA
-0.000104 mA
+0.000104
mA
30 mA
-00.00104
mA
+00.00104
mA
300 mA
-000.0204
mA
+000.0204
mA
1A
-0.000604 A
+0.000604
A
(4) Connect calibrator OUTPUT HI and LO to TI INPUT I and LO.
(5) Press RANGE ↑ or ↓ key to select ranges and set calibrator for output
settings listed in table 12. If TI does not indicate within limits specified, perform
corresponding software adjustments.
Table 12. Dc Current
Test instrument
Calibrator output
Test instrument indications
Software
ranges
settings
Min
Max
Adjustments
300 A
300 A
A
A
299.8696
300.1304
b(1), (3) and (8)
3 mA
3 mA
2.998696 mA
3.001304
mA
b(1), (4) and (8)
30 mA
30 mA
29.98696
mA
30.01304
mA
b(1), (5) and (8)
300 mA
300 mA
299.7396
mA
300.2604
mA
b(1), (6) and (8)
1A
1A
0.998596 A
1.001404
A
b(1), (7) and (8)
b. Software Adjustments
(1) Press blue shift key then CONFIGURATION C/OFFSET COMP key. TI
will display CAL.
(2) Enter 0,3457 using MATH keys.
(3) Enter .0003,3457 using MATH keys.
(4) Enter .003,3457 using MATH keys.
(5) Enter .03,3457 using MATH keys.
(6) Enter .3,3457 using MATH keys.
(7) Enter 1,3457 using MATH keys.
(8) Press ENT key. TI will display CALIBRATING while adjustment routine is
running.
13. Ac Current
a. Performance Check
(1) Connect calibrator OUTPUT HI and LO to TI INPUT I and LO.
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