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Simpson 1000 - Page 8

Simpson 1000
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GENERAL
DESCRIPTION
tester,
or
which
may
occur
if
you
apply
voltage
to
a
shorted
tube,
the
increased
current
through
the
primary
of
the
trans-
former
will
burn
out
the
fuse.
When
this
happens,
try
first
to
determine
why
the
fuse
burned
out,
and
clear
the
defect
before
you
replace
the
fuse.
Replace
with
another
l-ampere
type
3AG
fuse
only.
ALL
COMPONENTS-ATTACHED
TO
FRONT
PANEL
All
the
circuit
elements
and
the
roll
chart
of
the
Model
1000
are
attached
to
the
heavy
aluminum
front
panel,
and
the
panel
is
mounted
with
ten
screws
to
brackets
in
the
case
back.
The
case
top
is
mounted
on
the
back
with
sepa-
rable
hinges,
so
you
can
easily
remove
the
top
to
convert
the
instrument
to
a
counter-top
model,
or
replace
the
top
to
convert
it
back
to
a
portable
instrument.
SIZE
..
WEIGHT
..
CIRCUIT
LOAD
The
outside
measurements
of
the
case,
with
the
top
closed,
are
15%
x
11%
x
6
inches.
The
instrument
weighs
15
pounds.
The
circuit
requires
a
power
source
of
105
to
125
volts,
50
or
60
cycles,
and
the
power
consumption
is
10
watts
with
no
tube
under
test.
SECTION
II
TUBE
INFORMATION
The
tube
types
which
may
be
tested
are
listed
on
the
quick
action
roll
chart
and
in
the
table
in
the
back
of
the
manual.
This
contains
all
the
information
necessary
to
set
the
con-
trols
of
the
tester
for
each
test
which
you
will
make.
The
charts
show
control
settings
in
the
proper
order
to
help
you
6

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