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Simpson 260 Series - DC Current Measurement: 0-10 A Range

Simpson 260 Series
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Operation
417
DIRECT
CURRENT
MEASUREMENT
0-10A
RANGE
a.
Plug
the
black
test
lead
into
the
-10A
jack
and
the
red
test
lead
into
the
+
10A
jack.
b.
Set
the
range
switch
at
10
AMPS
(dual
position
with
10mA).
c.
Open
the
ground
side
of
the
circuit
in
which
the
current
is
being
measured.
Connect
the
VOM
in
series
with
the
circuit.
Connect
the
red
test
lead
to
the
positive
side
and
the
black
test
lead
to
the
negative
side.
NOTE:
The
function
switch
has
no
effect
on
polarity
for
the
10
AMPS
range.
d.
Turn
the
power
on.
Read
the
current
directly
on
the
black
DC
scale.
Use
the
0-10
figures
to
read
directly
in
amperes.
e.
Turn
the
power
off
and
disconnect
the
test
leads.
CAUTION
e
The
10A
range
is
not
internally
fused
in
the
260-7P.
e
When
using
the
10A
range,
never
disconnect
a
test
lead
from
a
jack
or
from
the
circuit
while
the
circuit
is
energized.
Doing
so
may
likely
damage
the
test
jacks
or
leads
and
the
arcing
may
be
hazardous
to
the
oper-
ator.
Turn
off
circuit
power
and
wait
for
the
meter
reading
to
drop
to
zero.
e
The
polarity
reversing
feature
of
the
function
switch
does
not
operate
on
the
0-10A
range.
If
polarity
is
found
to
be
incorrect,
turn
off
circuit
power,
wait
for
the
meter
indication
to
reach
zero
and
then
inter-
change
test
lead
connections
to
the
circuit.
4-21

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