T
.O
. 33K8-4-551-1
4
.2
.21 The TI must indicate within the corresponding values listed in the Limits column of Table 6.
4
.2
.22 Repeat steps 4
.2
.20 and 4
.2
.21 for the remaining Range listed in Table 6.
Table 6.
Range (S2)
Limits (S2)
100 M
99
.94875 to 100 .05125 M
1G
0
.0994900 to 0
.1005100 G
4 .2
.23 Disconnect the test setup.
4
.3 DC CURRENT CALIBRATION
:
NOTE
The DC Voltage Calibration must be completed prior to beginning the DC Current
Calibration.
4 .3
.1 Select TI Internal Temperature by pressing the TI keys in the following sequence:
(record this value).
4 .3
.2 Select the TI temperature at time of last cal by pressing the TI keys in the following sequence:
T
6HF1
81s)
rm.
V
1
.
This indication, minus the indication in step 4
.3
.1, must be
c
(
gig
)
(aue)
.
6
0
within
±5
°C.
4
.3
.3 Perform ACAL on the TI by pressing the TI keys in the following sequence:
, use the menu scroll keys
until ACAL ALL is displayed, then
or
3
4
5
8
Enter
4 .3
.4 Set the TI for DCI, 8 digit display and NPLC at 100 by pressing the TI keys in the following sequence:
ccI
(SHIT)
aloe)
N
8
Enter
NPIC
1 0
0
Enter
4
.3
.5 Connect equipment as shown in Figure 2 using the first Resistance Standard (2
.10) listed in Table 7.
4
.3
.6 Multiply the Resistance Standard (2
.10) listed in Table 7, (Resistors 1-10) Certified Resistance times the first
value listed in the Applied column of Table 7, record this value as calculated Digital Voltmeter indication.
4
.3
.7 Manually select the corresponding Range listed in Table 7.
4 .3
.8 Set the Calibrator for the first value listed in the Applied column of Table 7 and set OPR/STBY switch to OPR.
4
.3
.9 Edit the Calibrator controls to obtain the calculated Digital Voltmeter indication (about 1 VDC) recorded in
step 4
.3
.6
.
23
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