O P Eration - HP 456A Operating And Servicing Manual

Section II
F i gure 2-2
EOUIPMENT
UNDER
TEST
INSULATED
CONDUCTOR
BEING
1. Connect output of 456A ro a voltmeter or oscil­
loscope.
p
2. Clip robe a round wire u
by squeezing flanges on pr obe together).
3. Connect ground-clip to
if necessary (see paragra
2 -2
MEASURED
n
der test (open jaws
i u t
nstr men unde r test,
p
h 2-5E).
Figure 2-2.
4. Re d c u rrent being m ea s ured on m eter or oscil­
a
mil
loscope ( read livol
S.
Note direction of arrow on probe. Conventional
i i
current flow in d rect
g g u u
oin o tp t voltag e .
t
Oper ion
a
Model 456A
RO
t as
s milliampe res).
on of arrow gives positive
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