TB 9-6625-2246-50
(d) MENU NPLC.
(e) NUMERIC/USER 100 then Enter.
(f) MENU Offset Comp Ω .
(g) FUNCTION/RANGE Menu Scroll ⇑ until OCOMP ON is displayed.
(h) NUMERIC/USER Enter.
(i) MENU Trig.
(j) FUNCTION/RANGE Menu Scroll ⇓ until TRIG SGL is displayed.
(k) NUMERIC/USER Enter.
(4) Connect a low thermal short across TI front panel Input HI and LO.
(5) Press FUNCTION/RANGE Range ⇓ key to 10Ω range and allow 5 minutes
for the range relays to thermally stabilize.
(6) Press MENU Trig key then NUMERIC/USER Enter key. TI indication will be
≤ 00.25007.
(7) Remove short from front panel Input HI and LO and reinstall across rear
panel Ω Sense and Input HI and LO using technique shown in figure 1.
(8) Press Terminals Front/Rear pushbutton to Rear.
(9) Press FUNCTION/RANGE blue shift key then OHMF/OHM key.
(10) Press FUNCTION/RANGE Range ⇓ key to 10Ω range.
(11) Press MENU Trig key then NUMERIC/USER Enter key. TI indication will
be ≤ 00.00007.
(12) Remove short from rear panel Ω Sense and Input HI and LO. Release
Terminals Front/Rear pushbutton to Front and press Guard Open/To LO
pushbutton to To LO.
NOTE
Value of resistance standard No. 1 at 1 and 10 MΩ and each
100 MΩ step of resistance standard No. 2 must be measured
with resistance measuring system and recorded.
(13) Press keys as listed in (a) through (c) below:
(a) MENU Trig.
(b) FUNCTION/RANGE Menu Scroll ⇓ until TRIG AUTO is displayed.
(c) NUMERIC/USER Enter.
(14) Connect TI Ω Sense and Input HI and LO to appropriate standard resistor
or resistance standard, as required, using 4-wire technique then press
FUNCTION/RANGE Range ⇑ or
⇓ key to TI
range settings listed in
table 4. TI will
indicate within limits specified.
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