Extech 38070 - Manual
Extech 38070 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
User’
s
G
u
ide
An
al
o
g
M
u
lt
im
et
er
Model 38
070
Int
roduc
tion
Congr
at
ul
at
ion
s
on
y
ou
r pu
rchase of t
he Ex
te
ch model
38
0
70 Ana
log
Mult
imet
e
r.
T
hi
s d
ev
ic
e
measur
es
A
C
/DC Vo
ltage, DC Cu
rr
e
nt,
Resist
ance
,
and dB,
displ
a
yi
ng me
as
ur
em
en
ts
in
a
n
alog
fo
rma
t. P
roper
ly
us
e
d,
thi
s
me
te
r
w
ill
pr
ovide m
an
y
ye
a
rs of r
eli
ab
le
serv
ice.
W
A
RNI
NG
: US
E EXT
REM
E
C
A
U
T
IO
N
IN
T
H
E USE
OF
THI
S
DEVI
CE.
Im
pro
per us
e
o
f t
his
de
vi
ce
can r
esul
t in i
njur
y or
death
. F
o
llo
w
all
saf
egua
rd
s
suggest
ed i
n
th
is
manual
in addit
ion
to
the
n
or
m
al sa
fe
ty
pr
ecaut
io
ns
u
sed
in
w
o
rking
w
ith
el
ect
rical cir
cuit
s. DO
NO
T
ser
vi
ce
th
is
device if y
ou a
re
not
qu
ali
fied
to
d
o so
.
S
af
e
ty
In
st
ru
ct
io
n
s
T
his
me
te
r ha
s been design
ed
f
or
sa
fe
use, but must be
o
pe
rat
e
d w
ith
c
au
tio
n
.
T
he
r
ules l
is
ted
belo
w
mu
st
be c
ar
ef
ul
ly
f
ol
lo
w
e
d f
or
s
af
e
oper
at
io
n.
1.
NEV
E
R
ap
ply
volt
ag
e or c
ur
re
nt
to
th
e
met
er t
ha
t ex
ce
eds
t
he
spec
ified
max
im
um
:
In
pu
t P
rot
ec
ti
o
n
Li
m
it
s
Fu
nct
ion Maxi
mum
I
n
put
V DC or V AC
500V
AC
and DC
mA
DC
500mA DC
Resist
anc
e
50V
DC/
A
C
2.
USE
EX
T
R
EME
CA
U
T
IO
N
w
h
en w
or
ki
ng w
ith
hi
gh
volt
ag
es
.
3.
DO
NOT
me
as
u
re
v
ol
tage if t
he
volt
ag
e on t
he
"COM"
in
pu
t j
ack
ex
ceeds
500
V above
ea
rt
h g
round.
4.
NEV
E
R
conne
ct
t
he
met
er l
ea
ds ac
ro
ss
a v
ol
tage
s
our
ce
w
hi
le t
h
e
funct
ion
sw
itch is in t
he
cur
rent
or
re
si
st
ance
m
ode
. Doi
ng
so can
dam
age
th
e
me
te
r.
5.
AL
W
A
Y
S
di
sc
har
ge f
ilt
e
r capacit
ors in pow
er
suppl
ies and di
sc
onn
ec
t t
h
e
po
w
e
r
w
h
en making
re
si
st
ance
t
e
st
s.
6.
AL
W
A
Y
S
t
ur
n o
ff p
o
w
er
and
disc
o
nne
ct
test
lead
s bef
or
e
openi
ng
th
e
cov
er
s t
o repl
ac
e t
he f
use
or batt
e
ry
.
7.
NEV
E
R
op
erat
e t
he met
er unles
s t
he
bac
k cov
e
r an
d
th
e
b
at
ter
y an
d fuse
cov
er
s ar
e in place
and
fa
st
ened
secur
e
ly
.
8.
If t
he
eq
ui
pm
ent
is
us
e
d in
a
manner not
s
p
ec
ified
b
y t
he
man
uf
act
ur
e
r,
the
p
rot
ec
tion
pr
ovi
de
d by
t
he equ
ip
ment
may
be i
m
pa
ir
ed
.
Saf
e
ty
S
ym
b
ols
T
his sy
mb
ol ad
jacent
to
a
no
ther s
ym
bol,
t
er
m
inal or operat
in
g
device i
ndicat
es
t
hat
t
he
oper
at
o
r
m
us
t r
ef
er to
an
ex
pla
nat
io
n
in
t
he Oper
at
in
g
In
st
ru
ct
ions
t
o avoid p
er
son
al i
nju
ry
or
da
mag
e
to
th
e me
te
r.
Th
is
WA
RN
IN
G
s
ym
bol indi
ca
tes
a po
tent
ial
ly
hazard
ous
sit
uat
io
n,
w
h
ich if
not
avoid
e
d, c
o
uld
r
esul
t in
d
ea
th
or
ser
ious
in
jur
y.
Th
is
CA
U
T
IO
N
sy
mbol ind
icates a
po
te
nt
ia
lly
hazar
dous
sit
uat
io
n,
w
h
ich if
not
avoid
e
d,
ma
y r
es
u
lt d
amage
to
t
he
pr
oduct
.
T
his sy
mb
ol ad
vi
se
s t
he
u
ser
th
at
t
he
ter
m
inal(s)
so
m
arked
must no
t
be
c
o
nnec
ted
to
a c
ircuit
p
oi
nt at w
h
ic
h
t
he
volt
a
ge
w
ith
re
spect
to
ear
th gr
ound
e
xceeds 500V
.
T
his sy
mb
ol ad
jacent
to
o
ne
or
more
te
rm
inal
s i
den
tif
ie
s t
hem
as bei
ng
ass
ocia
te
d
w
ith
r
anges
t
hat
m
ay
, in no
rm
a
l use, be
subject
ed
to
par
ticul
arl
y haz
a
rdo
us
vol
tages.
For
max
imum
saf
et
y,
t
he
met
er a
nd i
ts
t
e
st
le
ads s
hould
no
t be
ha
ndl
ed
w
hen
these
te
rmi
nal
s ar
e en
erg
ized
.
T
his sy
mb
ol i
ndicates t
ha
t a
device
is
pr
ot
ect
ed
th
rou
gho
ut
b
y
doub
le i
ns
u
la
tion
or r
einf
or
ced insulat
io
n.
Controls a
nd Jack
s
1. S
cal
e
2. P
oint
er
3. S
cal
e
zer
o
adj
us
t
4.
O
hms z
e
ro
adj
u
st
5.
Ro
ta
ry
f
unct
ion
sw
itch
6.
Po
si
tive
V
, mA
an
d
inp
ut ja
ck
7.
CO
M i
nput j
ack
Specific
ations
Fun
c
ti
on Range
A
c
cu
ra
c
y
DC V
olt
ag
e
500
V
±
4%
of ful
l sc
al
e
250
V
50
V
10
V
AC
Vol
tage
(50/
60Hz)
500
V
±
5%
of ful
l sc
al
e
250
V
50
V
10
V
DC Cur
rent
250m
A
±
4%
of ful
l sc
al
e
50Ma
0.
5m
A
Resist
ance
R
x10
(10
,00
0
±
5%
of ful
l sc
al
e
R
x1k (1,
0
00
,000
Decibe
ls
-10
to
+56
dB (
4 r
anges)
0d
B=1m
W
in
600
M
a
x in
p
u
t v
o
lta
g
e
50
0V
AC/
DC
Input S
ensi
ti
vi
ty
,
2k
V
Frequenc
y Range
50
/60Hz
B
atte
ry
0n
e (1
) 1.
5V
A
A
bat
te
ry
Fuse
50
0mA
/2
50
fast
bl
ow
(
5mmx
20mm
)
O
p
erati
n
g
T
e
m
p
er
atur
e
41
o
F
to
1
04
o
F (
5
o
C
to
4
0
o
C)
St
orage T
empera
ture
14
o
F
to
1
22
o
F (
-10
o
C t
o 50
o
C)
O
p
erati
n
g
Hu
mi
di
ty
Ma
x 80
%
up
to
87
ºF
(
31ºC) decr
easin
g l
in
ear
ly
t
o
50
%
at
104º
F (40
ºC)
St
orage Hum
idi
ty
<80
%
O
p
erati
n
g
A
lti
tude
70
00ft
. (
2000me
ters
) ma
xi
mu
m.
We
ig
h
t
3.
8
8oz
(11
0g)
Si
ze
3.
8
2x
3
.34x
1
.3”
(97x
65
x33m
m)
Sa
fet
y
For
in
door use a
nd
in
acc
or
dan
ce
w
ith
t
he
requi
re
ment
s f
or
do
ub
le i
ns
u
la
tion
t
o I
E
C101
0-1
(1995
): E
N
61010-1
(19
95) Over
vo
ltag
e
Cat
eg
or
y I
I
500
V, P
oll
ut
io
n De
gr
ee 2
. UL
, CE
A
pp
roved
1 2
3
4
5
6
7
W
A
RNI
NG
CA
UT
IO
N
MA
X
500V
Sup
p
ort
Line
s:
U.S.
(8
77)
43
9
‐
83
24
;
In
te
rn
at
io
na
l:
+1
(603)
32
4
‐
78
00
Te
ch
ni
cal
Su
p
p
o
rt
:
Op
ti
on
3;
E
‐
ma
il:
su
ppo
rt
@e
xt
e
ch.
co
m
Re
p
air
&
Re
tu
rn
s:
Op
tio
n
4;
E
‐
ma
il:
re
p
ai
r@
ex
te
ch.
co
m
Produ
ct
sp
ec
ification
s
are
subje
ct
to
ch
an
ge
wi
th
out
no
ti
ce
Pl
ea
se
vis
it
our
webs
it
e
for
the
mo
st
up
‐
to
‐
da
te
info
rm
at
ion
www.extech.com
FL
IR
C
o
mmer
ci
al
Syst
ems,
In
c.
,
9
To
w
n
se
n
d
West,
Nas
h
u
a,
NH
03063
US
A
ISO
90
01
Cer
tified
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
