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Table 5.
STEP
ITEM
4.
D.
(Cont'd)
5.
Sensitivity check.
Equipment Performance Checklist (Cont'd)
ACTION OR CONDITION
PERFORMANCE STANDARD
Adjust CAPACITANCE
control until NULL
INDICATOR pointer is
centered on midscale
increment and read the
CAPACITANCE dial
(times theQJ MULTIPLY
C setting).
j. Capacitance is within
± 3 pF.
Set CAPACITANCE and
CONDUCTANCE controls
back to zero.
k. None.
Check that all front panel
controls are in accordance
with Table 4.
a. None.
Set MULTIPLY C switch
to 0.0001.
b. None.
Zero-balance the bridge
as described in para¬
graph 3.5.
c. NULL INDICATOR
pointer dips to within
one subdivision of zero
on LO sector of dial
scale.
Set CONDUCTANCE
control to 20 pmhos on
the G-scale.
d. NULL INDICATOR
pointer deflects upscale
at least one major
increment on LO sector
of dial scale.
Set meter switch to ZERO
CENTER position.
e. NULL INDICATOR
pointer deflects toward
midscale.
75D
b-370
54
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