T
.O
. 33K8-4-551-1
3
.17 Perform ACAL on the TI before beginning calibration by pressing the TI keys in the following sequence:
until ACAL ALL is displayed, then
Ganma)
3
9
5
8
EntEr
NOTE
(,),
3458 is the Security Code for the TI when shipped from the manufacturer
. If
the Security Code has been changed, that Security Code will be entered in its
place
. If the TI has been unsecured, the Security Code will not be entered.
Refer to the TI Calibration Manual, Chapter 1, for more information.
3
.18 Set the TI for DCV, 8 digit display and NPLC at 100 by pressing the TI keys in the following sequence:
, use the menu scroll keys
or
ocv
6H£1)
Elie)
N
8
Enter
NPLC
1
0
0
Enter
3
.19 Connect a low thermal short (12 to 14 Gauge solid copper wire) across the Tl Input and SI Sense HI and LO
terminals, allow 5 minutes for stabilization.
3
.20 Set the TI to each range listed in the Range column of Table 2.
3
.21 The TI should indicate within the corresponding values listed in the Limits column of Table 2.
Table
2.
Range (VDC)
Limits (VDC)
100 m
0 ±000
.00106 m
0 ±0
.00000106
10
0 ±00
.0000023
100
0 ±000
.000036
1000
0 ±0000
.00010
3
.22 If the TI DC Voltage zero is >90% of the value listed in the Limits column of Table 2 on any range, enter a
K action in the Maintenance Data Collection System
. If the TI DC Voltage zero is <_90% of the value listed in the
Limits column of Table 2 on all ranges, performing the following TI CAL 0 steps is not a K action.
NOTE
The TI zero offset adjustment (CAL 0) should be performed individually for
both front and rear terminals
. Once CAL 0 has started, move away from
the TI very slowly until the TI is done (about 5 minutes)
. If drafts exist, it may
be necessary to cover the TI INPUT terminals.
3
.23 Set the TI to execute CAL 0 by pressing the TI keys in the following sequence:
(s-l
q
(Eke)
C
0
(fie)
f
3 4 5 8
18
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