TB 9-6625-2266-24
Table 5. Dc Current
Test instrument range
Calibrator
Test instrument
pushbutton
output
indications
settings
(dc current)
Min
Max
2 mA
1.9 mA
1.885
1.915
20 mA
19
mA
18.85
19.15
200 mA
190
mA
188.5
191.5
2000 mA
1.9 A
1.885
1.915
b. Adjustments. No adjustments can be made.
11. Resistance
a. Performance Check
(1) Connect TI K
input to calibrator OUTPUT HI and TI COM input to calibrator
OUTPUT LO.
(2) Press TI mA/V, K /nS pushbutton to K /nS (in).
(3) Press TI 200
range pushbutton.
(4) Set calibrator for a 190
nominal output.
(5) 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.
(6) Repeat technique of (3) through (5) above, using calibrator outputs and TI
indications listed in table 12. Calibrator err display will indicate within limits specified in
Table 6. Resistance
Test instrument
Calibrator
err display
Range pushbutton
Output nominal resistance
indication
(%)1
settings
value
190
0.458
(0.358)
200
2
(2K)
0.253
(0.153)
1.9 k
20
(20K)
0.253
(0.153)
19 k
200
(200K)
0.253
(0.153)
190 k
2000
(2000K)
0.253
(2.05)
1.9 M
2.05
(2.05)
20 M
(20M)
19 M
Values in parenthesis apply to model 8020B.
1
b. Adjustments. No adjustments can be made.