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Қ
шек
TET
сесия таче
tn
oe
wama
=
MODEL 427A FRONT PANEL
MODEL
427А REAR PANEL (OPTION Ol)
HEWLE1)
- PACKARD
//7
427А VOLTMETER
4)
FUNCTION
RANGE
АСУ
хок
IO XIOOK
5
ре
30
хм
(
IOO
хюм
N
300
>
1000 — ону
ос ZERO/I
00
427А-8-0529
lects either battery or line operation.
mon.
(Common input for ACV,
OHMS and
DCV.)
Line input (option 01 only): Connects ac
erati
er to
instrument.
op
ing pow
жігі:
2
FUNCTION
switch:
Selects mode of operation.
Selections
are OFF,
BATT,
+DC,
-DC,
OHMS
and AC.
RANGE
switch:
Selects
appropriate
range of
unknown
input.
e ©
©
Meter face: Displays the magnitude of unknown
OHMS terminal: Connects unknown resistance
resistance
or voltage in ohms
or volts respec-
to instrument.
tively.
о 00000
е
ғ
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