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Note:
lf
fre
cunent range is
unknawn
hforehand,
set'the furxfion
range
switch to
the highest range and
urork
down.
Wnén only the figuré "1"
is
displayed,
over range
is
being
indicated
and
fre
fundion
ilange suntch
should
be
set
to
a
higher
range.
f;xcessive current
will
belaw
the fuse
frat
must be replamd
when
the
input
is
fom
"A'
termlnal. Fuse
tlpe
is 0.5A (fflodel
M840D
use
2A).
A
fuse
dres
not
proted
he
20A
range; rnaximum
10A
mntinuous
or
ma<imum
?04
rneasuring
üme rnust
be
less
han
15
seconds.
5.3 RESISTAT{TH MFASUREMHNT
1)
Conned
black test lead
to 'COM"
teffninal
and
red te$t lead
t'r
the
'V/OHM"
input
terminal.
2t
$et
fle
func{icn range
switch to
$le OHM range.
3)
Connect
the test
leads acro$$
fie
resishnm
under
rneasurement
and
read
the
display
value.
Note:
The
plarity
of üre red
test
lead
i$
"+".
When
fre
input
is
not
mnnected,
i.e.
at
CIpen
circuit,
the figure
'*1"
\¡uill
be
displayed
for
the over range condition.
lf tt're
resistane
value being measurcd
exmds
the rnaximum
value
of
the range selected,
an
over range
indicaüon "1" will
be
displayed and function range
swthlr
should
h
set
to
a higher
range.
?00Mfi
range
has
a
10
db¡ts (1Mn) mnstant,
fte
figure
will
appear
in
short
ciru.¡it
sbtus, it
should
be
subfacted
fom
rneasurernent result,
for
instance:
when
rneasuring
100MCI
resistor,
figure 101.ü will
be
shown in display
and the
last
10
drgit$
shauld,h
subtracted
5.4 CAPACITANCE MEA$UREMfr NT
1)
Set
the
fundion
range switch
at ttre
"Ct''
psition.
Before
mnneding
the
capacitor, üre
display
muld
h
zeroed automatically slows.
2)
Connec{
the
test capacitcr
to the
"Ct''
input socket (not
test
leads
and
read the
display
value.
Note; The
tested"
capacitor should
be
dischargCId
befare
tfre
tmting
a)
b)
c)
d)
a)
b)
c)
d)
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