Section II
Figure 2-2
EOUIPMENT
UNDER
TEST
INSULATED
CONDUCTOR
BEING
MEASURED
1. Connect output of 456A ro a voltmeter or oscil
loscope.
2. Clip
p
robe a round wire u
n
der test (open jaws
by squeezing flanges on probe together).
3. Connect ground-clip to
i
nstr
u
men
t
under test,
if necessary (see paragra
p
h 2-5E).
Figure 2-2.
2-2
Model 456A
RO
4. Re
a
d current being mea sured on meter or oscil
loscope (read
mil
livol
t
s
as
milliamperes).
S.
Note direction of arrow on probe. Conventional
current flow in d
i
rect
i
on of arrow gives positive
g
oin
g
o
u
tp
u
t voltage.
Oper
a
t
ion
00395- 1
