Sears 82413 - 4. OPERATING INSTRUCTIONS; General Overview and Warnings; DC Voltage Measurement

Continui9Test
('ttl
)
Resistance range: Btzzer sounds
with rcsistances less
than
200O
approximately.
Resoonse
time: Less than
100 m Sec.
Diode Test
(
-t<-
)
Test
voltage: 2.8
Volts
Maximum
test
current: 3m
Ampcres,
Temperature Measurement
4. OPERATING
INSTRUCTIONS
General
hFE
Test
i"rt.orditior :
1OuA
2.8V
hFE gain
0
-
1000 (NPN.
PNP)
The
Sears
Model
82413182418
is
completely
portable,
high
level
3-112
dig:^t
multimeter
designed
for
use
by
the
engineer,
technician,
and hobbyist
who
demands
an
in-
sturment
that
is
accurate,
reliable
and
always
ready
for
use.
Equipped
with nine functions
and
36 ranges,
each
test
position
is quickly
and
easily
selected
with
a simple
rurn
of
the
single
selector
switch.
Smail
enough
to
fit in
attache
cases
and
equippid
-*'rth
a multi-position
tilt stand.
This
instruments
is
equally
suited
for
design
engineering,
pro-
duction.
testing,
field
servicing,
and industriJl
mainienance
apprlcatlons.
wffi;s
T.
fo
^-la
electrical
shock hazard
and/or
damage
to
the
instrument,
do not
measure
voltages
that mighl
exceed
500V
above
earth
sround.
2. Before
the
use
oiinstrument,
inspect
test
leads,
con-
nectors,
and
prodg
for
cracks,
breaks,
or
any defects
in
the
insulation.
DC
Voltage
Measurement
1.
Connect
red
test lead
to
,,V,A",
input
connector
and
black
to
"COM".
2.
Slide
the POWER/FUNCTION
switch
to
,,DC
O,'
(mid
position).
3. Set
RA,NGE
switch
to
desired
,,V',
position.
If
magnitude
of Value
not
only for
this functioniut
"ru
-""r.r1"rn"rr,
factor
is
not
known,
set switch
to highest
range
and reduce
untill
satisfactory
reading
is
obtained.
Range Re solution
OoF ro 2000oF 1oF
Sensor; type
K (NiCr-NiAI)
Conductance
Measurement
Range
200nS
Resolution
0.1nS
Capacitance Measurement
Range
2000pF
2uF
20uF
Resolution
1pF
0.001uF
0.01uF
Accuracy
+
(50
+
2 aigitr; ,p to ZZSof
!
3%
of rdg ovcr 2250F
Accuracy
t(7.5%
rdg
+
10 digits)
Accuracy
!(r.s%F.S.+5disits)
!(z7oP.s.
+
5 digits)
+
(2Vo F.s.
+
5 digits)
-7-