TB 9-6625-2315-35
(11) Press Shift key then RANGE/DIGITS Auto/Man key to select 6 digits
resolution.
(12) Press RANGE/DIGITS ∧ or ∨ key to select 100 MΩ range.
(13) Set calibrator EX SNS off and output to 100 MΩ. Using output adjustment
controls set calibrator control display Reading equal to TI indication. Calibrator control
display Error will indicate within 0.81 percent.
10. Dc Current
a. Performance Check
(1) Connect calibrator OUTPUT HI and LO to TI front Input I and LO.
(2) Press Shift key then FUNCTION DC V/DC I key.
(3) Press Shift key then RANGE/DIGITS Auto/Man key to select 6 digits
resolution.
(4) Set calibrator for a 0 mA dc output.
(5) Press RANGE/DIGITS ∧ or ∨ key to select ranges listed in table 7. If TI does
not indicate within limits specified, perform b below.
Test instrument
Indications
Ranges
Min
Max
10 mA
-00.002 mA
+00.002 mA
100 mA
-000.005 mA
+000.005 mA
1A
-0.0001 A
+0.0001 A
3A
-0.0006 A
+0.0006 A
(6) Press RANGE/DIGITS ∧ or ∨ key to select TI ranges and set calibrator output
for settings listed in table 8. If TI does not indicate within limits specified, perform b
below.
Table 8. Dc Current
Test instrument
Calibrator
Test instrument indications
ranges
output settings
Min
Max
10
mA
10
mA
9.993
mA
10.007
mA
100
mA
100
mA
99.945
mA
100.055
mA
1
A
1
A
0.9989
A
1.0011
A
3
A
2
A
1.997
A
2.003
A
