Velleman DVM831 User manual

DVM831
3 1/2 DIGIT
3 1/2-DIGI
T
MULTIM
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TR
E
MULT
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METR
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3 ½-STELLI
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USER MANU
A
GEBRUIKER
S
NOTICE D’E
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MANUAL DE
L
BEDIENUNG
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T
DMM
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NUM
É
RIQUE 3
½
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3 ½ D
Í
GITOS
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ES MULTIMETER
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PLOI
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DIGITS
3
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13 
24 
35 
45 

DVM831
31.03.2010 2 ©Velleman nv
1 DISPLAY 1
DISPLAY
2 FUNCTION AND RANGE
SWITCH
2 FUNCTIE- en
BEREIKSCHAKELAAR
3 "10A" JACK 3 "10A" AANSLUITING
4 "VmA" JACK 4
"VΩmA" AANSLUITING
5 "Common" JACK 5 "10A" AANSLUITING
1 AFFICHEU
R
1 PANTALLA
2 S
É
LECTEUR de FONCTION et de
PLAGE
2 SELECTOR de FUNCI
Ó
N y de
RANGO
3 CONNEXION "10A" 3 CONEXI
Ó
N "10A"
4 CONNEXION 4
CONEXI
Ó
N "VΩmA"
5 Common 5 CONEXI
Ó
N "Common
1 DISPLAY
2 FUNKTIONS- und
BEREICHSSCHALTER
3 10A-BUCHSE
4 VΩmA-BUCHSE
5 Common-BUCHSE

31.03.2010
1. Introdu
c
To all reside
n
Im
p
Thi
s
the
dis
p
sh
o
sh
o
Re
s
If in doubt, c
o
Please read th
e
If the device
w
Dama
g
e cause
by the warran
t
defects or pro
b
The DVM831
i
device is suita
b
resistance, co
n
Be extremly c
a
even fatal in
j
u
r
workin
g
with c
mentioned in t
circuits or test
This device is
n
Refer to the V
e
this manual.
2. Used sy
m
This
Not r
e
deat
h
This
A ha
z
This
Risk
o
in
j
ur
y
This
I
g
no
r
AC (
A
DC (
D
Doub
Eart
h
USE
R
c
tion
n
ts of the European
p
ortant environmenta
s
symbol on the devi
c
device after its lifecy
p
ose of the unit (or b
a
o
uld be taken to a spe
o
uld be returned to yo
s
pect the local enviro
n
o
ntact your local w
a
e
manual thorou
g
hly
b
w
as dama
g
ed in transi
t
d by disre
g
ard of cer
t
t
y and the dealer will
b
lems.
i
s a CAT II - 500V di
g
b
le for measurin
g
dir
e
n
tinuity, diodes and tr
a
utious when usin
g
th
r
ies. Apart from the u
ircuits the user must
his manual. Do not
u
procedures!
n
ot suitable for comm
e
lleman® Service a
n
m
bols
symbol indicates:
R
e
adin
g
the instructio
n
h
.
symbol indicates:
D
z
ardous condition or
a
symbol indicates:
R
o
f a hazardous condit
y
or death
symbol indicates:
A
r
in
g
this information
c
A
lternatin
g
Current)
D
irect Current)
le insulation (class II
-
h
DVM831
3
R
MANUAL
Union
l information about t
h
c
e or the packa
g
e indi
cle could harm the e
n
a
tteries) as unsorted
m
cialized company for
ur distributor or to a
l
n
mental rules.
a
ste disposal auth
o
b
efore brin
g
in
g
this d
e
t
, do not use it and c
o
t
ain
g
uidelines in this
not accept responsibi
l
ital multi meter with
a
e
ct and alternatin
g
vo
l
ansistors.
is device: carelessne
s
sual safety precautio
n
comply to the safety
u
se this device when
y
ercial or industrial us
e
n
d
Q
uality Warrant
y
R
ead instructions
n
s and manual can le
a
D
an
g
er
a
ction that may result
R
isk of dan
g
er/dam
ion or action that ma
y
A
ttention; importan
t
c
an lead to hazardous
-
protection)
©Velleman n
v
h
is product
cates that disposal of
n
vironment. Do not
m
unicipal waste; it
recyclin
g
. This device
l
ocal recyclin
g
servic
e
o
rities.
e
vice into service.
o
ntact your dealer.
manual is not covere
d
l
ity for any ensuin
g
a
3 ½ digit LCD; this
l
ta
g
es and currents,
s
s can lead to serious
n
s applicable when
precautions as
y
ou are unfamiliar wit
h
e
.
y
on the last pa
g
es o
f
a
d to dama
g
e, in
j
ury
o
in in
j
ury or death
a
g
e
y
result in dama
g
e,
t
information
situations.
v
e
.
d
or
h
f
o
r

31.03.2010
Fuse
Diod
e
Conti
3. Warnin
g
Read
the d
Only
unau
t
of ce
r
the d
probl
Follo
w
all its
Durin
g
a
g
ain
s
WAR
N
To av
o
To pr
e
Rem
a
Keep
t
Prote
c
opera
t
Avoid
move
d
reach
e
error
s
This
i
instr
u
indica
Pollut
i
from
r
use.
R
Befo
r
Alwa
y
prob
e
conn
e
Make
conn
e
Risk
o
meas
u
hi
g
he
r
e
nuity
g
s and safety ins
t
this manual thorou
gh
evice before actually
use the device for its
t
horized way will void
r
tain
g
uidelines in thi
s
ealer will not accept
r
ems.
w
the instructions bel
o
functionalities.
g
use of the meter, r
e
s
t electroshocks and
m
N
ING:
o
id electrical shock r
e
e
vent fire, only install
a
rk: refer to the warn
t
he device away from
c
t this device from sh
o
t
in
g
.
cold, heat and lar
g
e
t
d
from a cold to a wa
r
e
d room temperature
s
.
i
s an installation ca
t
u
ment. Never use th
ted. Refer to §4 Ove
r
i
on de
g
ree 2-device.
F
r
ain, moisture, splash
R
efer to §5 Pollutio
n
r
e each use, make su
r
y
s place your fin
g
ers
b
e
s while measurin
g
!
N
e
cted to a circuit.
sure the meter is in
t
e
ctin
g
it to a test circ
u
o
f electric shock du
u
rin
g
live circuits. Us
e
r
than 60Vdc or 30Va
c
DVM831
4
t
ructions
h
ly. Familiarise yours
e
usin
g
it.
intended purpose. U
s
the warranty. Dama
g
s
manual is not cover
e
r
esponsibility for any
e
o
w to
g
uarantee a saf
e
e
spect all directives c
o
m
isuse. Never exceed
e
move test leads befo
r
fuses with AMP/VOL
T
in
g
on the back of th
e
children and unauth
o
o
cks and abuse. Avoi
d
t
emperature fluctuati
o
r
m location, leave it s
. This to avoid conde
n
t
e
g
ory CAT II 500
V
is equipment in a hi
g
r
volta
g
e /installati
o
F
or indoor use only.
K
in
g
and drippin
g
liqui
d
n
de
g
ree.
r
e the test probes are
b
ehind the protective
N
ever touch free ter
m
t
he appropriate meas
u
it.
rin
g
operation. Be
v
e
extreme caution wh
e
c
rms.
©Velleman n
v
e
lf with the functions
o
s
in
g
the device in an
g
e caused by disre
g
a
r
e
d by the warranty a
n
e
nsuin
g
defects or
e
use of the meter an
d
o
ncernin
g
protection
the indicated limits.
r
e opening the device
T
ratin
g
shown.
e
mete
r
.
o
rised users.
d
brute force when
o
ns. When the unit is
witched off until it ha
n
sation and measurin
g
V
measurin
g
her cate
g
ory than
o
n cate
g
ory.
K
eep this device away
d
s. Not for industrial
in
g
ood condition.
ed
g
es of the test
m
inals when the mete
r
urin
g
ran
g
e before
v
ery careful when
e
n measurin
g
volta
g
e
v
o
f
r
d
n
d
d
s
g
r
is
s

31.03.2010
Do n
o
Do n
o
Do n
o
circui
When
meas
u
meas
u
When
circui
t
point
s
Do n
acce
s
acce
s
Swit
c
batte
All m
Dam
a
the
w
4. Overvol
t
DMMs are cat
e
overvolta
g
e th
a
bursts of ener
g
line.
The existin
g
c
a
CAT I
A CAT I
circuits
circuits
,
CAT
II
A CAT I
environ
mains
b
provide
apart f
r
tools…
CAT
III
A CAT I
environ
phased
environ
(fuse b
o
CAT
IV
A CAT I
CAT III
-
Note th
run out
d
used.
Warning:
This device wa
CAT II 500V.
T
o
t measure circuits th
o
t measure current in
o
t conduct resistance,
ts.
measurin
g
currents
u
u
rement followed by
a
u
rements.
carryin
g
out measur
e
t
s, always be aware t
h
s
mi
g
ht dama
g
e the
m
ot replace internal p
a
s
sories by identical on
s
sories e.
g
. test prob
e
c
h off the meter and r
e
ry or fuses.
odifications of the de
v
ag
e caused by user m
w
arranty.
t
age/installatio
n
eg
orized dependin
g
o
n
a
t mi
g
ht occur at the
g
y induced in a syste
m
a
te
g
ories accordin
g
E
N
-rated meter is suita
b
which are not directl
y
,
control si
g
nals…
I-rated meter is suita
ments and mono-pha
b
y means of a plu
g
an
d that the circuit is a
t
r
om a CAT IV-environ
m
II-rated meter is suit
a
ments, as well as for
appliances which are
ment, and for measu
r
o
xes, li
g
htin
g
circuits,
V-rated meter is suit
a
-
environments as wel
at for all measureme
n
d
oors (either overhea
s desi
g
ned in accord
a
T
his implies that certa
DVM831
5
at may contain volta
g
circuits with volta
g
e
s
diode- or continuity
m
u
p to 10A, max. 10s
c
a
15 minutes break b
e
e
ments on a TV set o
r
h
at hi
g
h amplitude v
o
m
eter.
a
rts yourself. Replace
es with the same spe
e
s at your dealer.
e
move test probes pr
v
ice are forbidden for
odifications to the de
v
n
category
n
the risk and severit
y
point of test. Transie
n
m
, e.
g
. caused by li
g
h
N
61010-1 are:
b
le for measurements
y
connected to mains
ble for measurement
s
se appliances which
a
d circuits in a normal
t
least 10m apart fro
m
m
ent. E.
g
. household
a
ble for measuremen
t
measurements on (fi
x
at least 10m apart fr
r
ements in or on dist
r
electric ovens).
a
ble for measurin
g
in
l as on the primary s
u
n
ts on equipment for
w
d or under
g
round) a
C
a
nce with EN 61010-1
in restrictions in use
a
©Velleman n
v
g
es > 500V
s
> 250V
m
easurements on liv
e
c
ontinuous
e
tween 2
r
switchin
g
power
o
lta
g
e pulses at the te
dama
g
ed or lost
cifications. Order spa
r
ior to replacin
g
the
safety reasons.
v
ice is not covered b
y
y
of transient
n
ts are short-lived
tnin
g
strike on a pow
e
on protected electro
n
power, e.
g
. electroni
c
s
in CAT I-
a
re connected to the
domestic environme
n
m
a CAT III- or 20m
appliances, portable
t
s in CAT I- and CAT
I
x
ed) mono- or poly-
om of a CAT IV-
r
ibution level equipm
e
CAT I-, CAT II- and
u
pply level.
w
hich the supply cabl
C
AT IV meter must
b
installation cate
g
ory
a
pply that are related
v
e
st
r
e
y
e
r
n
ic
c
s
n
t,
I
I-
e
nt
es
b
e

31.03.2010
to volta
g
es an
d
Refer to the ta
This device i
s
•Protected el
e.g. electro
n
•circuits whi
c
•measure
m
mains b
y
•mono-ph
normal d
apart fro
m
househol
a distrib
u
This device i
s
•Volta
g
es ab
o
•measureme
behind met
e
•measureme
CAT III or
C
circuits, bu
s
•Measureme
n
meter boxe
s
environmen
or circuits u
Thi
s
en
v
5. Pollutio
n
IEC 61010-1 s
p
different prote
c
environments
r
which is to be
f
and the enclos
which environ
m
Pollution
degree 1
No
po
l
en
c
Pollution
degree 2
On
co
n
off
i
Pollution
degree 3
Co
n
th
a
(in
bu
t
Pollution
degree 4
Th
e
du
s
en
v
fin
e
d
volta
g
e peaks whic
h
ble above.
s
suitable for meas
u
ectronic circuits whic
h
n
ics circuits, control s
c
h are directly connec
m
ents on mono-phas
e
y
means of a plu
g
ase appliances and ci
omestic environment
,
m
a CAT III- or 20m
a
d appliances, portabl
e
u
tion board …
s
NOT suitable for:
o
ve 500V
nts in/on low-volta
g
e
e
r box)
nts on (fixed) mono-
C
AT IV environments
(
s
bars, low-voltage di
s
n
ts on distribution eq
u
s
and equipment/circ
u
t e.
g
. circuits in shed
s
sin
g
under
g
round wir
s
device is only suita
b
v
ironments.
n
degree
p
ecifies different typ
e
c
tive measures are n
e
r
equire more protecti
o
f
ound in a certain en
v
ure properties. The p
o
m
ent the device may
b
pollution or only dry,
l
lution has no influen
c
c
losures).
ly nonconductive poll
u
n
ductivity caused by
c
i
ce environments fall
n
ductive pollution oc
c
a
t becomes conductiv
e
dustrial environment
s
t
not in contact with
p
e
pollution
g
enerates
s
t or by rain or snow.
v
ironments where hi
g
e
particles occur)
DVM831
6
h
can occur within the
u
rements up to 500
V
h
are not directly con
n
i
g
nals, circuits behin
d
ted to mains power,
b
e
appliances which ar
e
rcuits directly connec
t
,
provided that the ci
r
a
part from a CAT IV-
e
e
tools, li
g
ht circuits
a
distribution boards (
d
or poly-phased appli
a
(
e.
g
. mains outlets, el
s
tribution boards and
u
ipment and outdoor
u
its outside or remot
e
s
,
g
arden houses and
in
g
e.
g
.
g
arden li
g
hti
n
b
le for measurements
e
s of pollution environ
e
cessary to ensure sa
f
o
n, and the protectio
n
v
ironment depends m
a
o
llution de
g
ree ratin
g
b
e used.
nonconductive pollu
t
c
e (only to be found i
n
u
tion occurs. Occasio
n
c
ondensation is to be
under this cate
g
ory).
c
urs, or dry noncondu
c
e
due to condensatio
n
s
and environments e
x
p
recipitation).
persistent conductivi
t
(exposed outdoor en
h humidity levels or
h
©Velleman n
v
environment of use.
V
on:
n
ected to mains pow
e
d
isolatin
g
transforme
r
b
ut limited to:
e
connected to the
t
ed to the mains in a
r
cuit is at least 10m
e
nvironment. E.
g
.
a
t more than 10m fro
m
d
istribution boards
a
nces and circuits in
ectric ovens, li
g
htin
g
circuit breakers).
installations includin
g
e
from the domestic
free-standin
g
g
ara
ge
ng
, pool-pump...
up to 500V in CAT
I
ments, for which
f
ety. Harsher
n
a
g
ainst the pollutio
n
a
inly on the insulatio
n
of the DVM indicates
t
ion occurs. The
n
hermetically sealed
n
ally, temporary
expected (home and
c
tive pollution occurs
n
that is to be expect
e
x
posed to outside air
t
y caused by conducti
v
vironments and
h
i
g
h concent
r
ations o
f
v
e
r,
r
…
m
g
e
s,
I
I
n
n
in
e
d
-
v
e
f

31.03.2010
Warning:
This device wa
This implies th
which can occ
u
This
d
de
g
r
e
6. Descrip
t
Refer to the ill
u
Selection swi
Always
r
function
o
To switc
h
"10A" JACK:
"COM" JACK:
"VmA" JAC
K
7. Operati
n
Risk
mea
s
Befo
r
not
d
•Never exce
e
separately i
•Do not touc
bein
g
teste
d
•Only use th
e
measure vo
•Disconnect
t
selector in
o
•When carry
i
always rem
e
dama
g
e th
e
•Always be c
Keep your f
i
•Do not mea
•Never perfo
Make sure
a
•When the d
i
is hi
g
her th
a
•When a low
readin
g
alt
h
normal and
and
g
ive a
p
s desi
g
ned in accord
a
at certain restrictions
u
r within the environ
m
d
evice is only suita
b
e
e class 2 environm
e
t
ion of the Front
u
stration on pa
g
e 2 o
f
tch: the meter has
m
selected via the
r
emove the test prob
e
o
r ran
g
e!
h
off the meter, set th
Connect the red te
s
> 200mA
Connect the black
t
K
: Connect the red te
s
except current me
a
n
g instructions
of electric shock d
u
s
urin
g
live circuits.
r
e measurin
g
, always
d
ama
g
ed and verify t
h
e
d the limit value for
p
n the specifications f
o
h unused terminals w
d
.
e
meter in the indicat
e
lta
g
es that mi
g
ht exc
e
t
he test leads from th
o
rder to chan
g
e functi
i
n
g
out measurement
s
e
mber that hi
g
h ampl
e
meter.
areful when workin
g
w
i
n
g
ers behind the pro
sure current in circuit
rm resistance, diode
o
a
ll capacitors in the ci
r
i
splay indicates "OL"
d
a
n the currently man
u
volta
g
e ran
g
e is sele
c
h
ou
g
h the leads are n
o
is caused by the hi
gh
p
roper measurement
w
DVM831
7
a
nce with EN 61010-1
in use apply that are
m
ent of use. Refer to
t
b
le for measureme
n
e
nts.
Panel
f
this manual.
m
ultiple functions and
selection switch.
e
s from the ciruit bef
o
e selection switch to
O
s
t lead to this
j
ack fo
r
t
est lead to this
j
ack
s
t lead to this
j
ack fo
r
a
surements > 200mA
u
rin
g
operation. Be
make sure the meter
h
e connections, select
e
p
rotection. This limit
v
o
r each ran
g
e of mea
s
hen the meter is link
e
e
d overvolta
g
e/install
e
ed the indicated cat
e
e tested circuit befor
e
ons.
s
on a TV set or switc
itude volta
g
e pulses
a
w
ith volta
g
es above
6
be barriers at all tim
e
s with volta
g
es > 25
0
o
r continuity measur
e
r
cuit are dischar
g
ed.
d
urin
g
a measuremen
u
ally selected ran
g
e.
S
c
ted, the display may
o
t connected to a dev
h
input sensitivity. Th
e
w
hen connected to a
c
©Velleman n
v
pollution degree 2
.
related to pollution
t
he table above.
n
ts in Pollution
ran
g
es that can be
o
re selecting a differe
n
O
FF.
r
current measureme
n
r
all measurements
very careful when
and/or test probes a
r
e
d function and ran
ge
v
alue is listed
s
urement.
e
d to a circuit which i
s
ation cate
g
ory. Neve
r
eg
ory values.
e
rotatin
g
the ran
g
e
hin
g
power circuits,
a
t the test points mi
gh
6
0Vdc or 30Vac rms.
e
s durin
g
measureme
n
0
V
e
ments on live circuit
s
t, the measured valu
e
S
elect a hi
g
her ran
g
e.
show a varyin
g
ice or circuit. This is
e
readin
g
will stabilize
c
ircuit.
v
.
n
t
n
ts
r
e
e
.
s
r
h
t
n
t.
s
.
e

31.03.2010
Volta
g
e mea
s
Do n
o
Alway
s
rms.
K
meas
u
to a ci
•Connect th
e
VmA jack
•For DC volt
a
the ran
g
e i
s
appropriate
•For AC volt
a
the ran
g
e i
s
appropriate
•Connect th
e
•The measu
r
Notes:
•For D
C
test le
•When
althou
norm
a
stabili
z
Direct curren
Do no
t
This
d
not s
u
Curre
n
to 10
A
contin
meas
u
Alway
s
rms.
K
meas
u
•For measu
j
ack and th
e
500mA/250
•For measu
and the bla
c
10A/220V).
•For DC mea
desired ran
g
•For DC mea
desired ran
g
•When the r
a
to the appr
o
•Connect th
e
•Read the m
e
s
urements
o
t measure circuits
w
s
be careful when wo
r
K
eep your fin
g
ers beh
i
u
rement. Do not touc
h
rcuit which is bein
g
t
e
e
black test lead to th
e
.
ag
es, set the selector
s
unknown, always se
t
ran
g
e.
ag
es, set the selector
s
unknown, always se
t
ran
g
e.
e
test probes with the
r
ed volta
g
e is shown
o
C
-measurements: wh
e
ad, the indicated val
u
the mV ran
g
e is sele
c
g
h the probes are no
t
a
l and is caused by th
e
z
e and
g
ive a proper
m
t measurements
t
measure current in
c
d
evice is only desi
gn
u
itable for alternati
n
t measurements V
m
A
use the 10A
j
ack. W
uous measurement f
o
u
rements.
s
be careful when wo
r
K
eep your fin
g
ers beh
u
rement.
rements up to 200
m
e
black lead to the C
O
V).
rements up to 10A:
c
k lead to the COM
j
a
surements up to 200
m
g
e.
surements up to 10A
,
g
e (use the 10A
j
ack
)
a
n
g
e is unknown, alw
a
o
priate ran
g
e.
e
test probes in series
e
asured cuurent from
DVM831
8
w
here volta
g
es > 5
r
kin
g
with volta
g
es a
b
i
nd the probe barrier
s
h
unused terminals w
h
e
sted.
e
COM
j
ack and the r
e
switch to V in the
d
t
the hi
g
hest possible
switch to V in the
t
the hi
g
hest possible
circuit under test.
o
n the display.
e
n a ne
g
ative polarity
u
e is preceded by a “-
c
ted, the display may
t
connected to a devi
c
e
hi
g
h input sensitivit
y
m
easurement when c
o
c
ircuits with volta
g
es
n
ed for DC current
m
n
g
current measur
e
m
A
j
ack max. 200m
A
hen measurin
g
curre
n
o
llowed by a 15 minu
t
r
kin
g
with volta
g
es a
b
ind the probe barrier
s
m
A: connect the red t
O
Mjack (protected wi
t
connect the red test
ck (protected with a
c
m
A, set the selector s
,
set the selector swit
c
)
.
a
ys set the hi
g
hest p
o
with the circuit.
the display.
©Velleman n
v
00V CAT II
b
ove 60Vdc or 30Vac
s
at all times durin
g
h
en the meter is link
e
e
d test lead to the
d
esired ran
g
e. When
ran
g
e and lower to t
h
desired ran
g
e. When
ran
g
e and lower to t
h
is present at the red
” si
g
n.
show a varyin
g
readi
n
c
e or circuit. This is
y
. The reading will
o
nnected to a circuit.
> 250V
m
easurements; it i
s
e
ments.
A
; for measurements
u
n
ts up to 10A, max. 1
t
es break between 2
b
ove 60Vdc or 30Vac
s
at all times durin
g
est lead to the Vm
A
t
h a ceramic fuse
lead to the 10A
j
ack
c
eramic fuse
witch to A in the
c
h to A in the
o
ssible ran
g
e and low
e
v
e
d
h
e
h
e
ng
s
u
p
0s
A
e
r

31.03.2010
Notes:
•For DC-c
u
red test l
•The µA a
F500mA
/
fuse.
Resistance
m
Do n
o
•Connect th
e
jack.
•Set the sel
e
unknown, a
appropriate
•Connect th
e
•The measu
r
Notes:
•Never pe
capacito
r
•To incre
a
tips of th
the test l
•For resis
t
to stabili
z
•Should t
h
open cir
c
Continuity te
s
Do n
o
•Connect th
e
VmA
j
ack
•Set the sel
e
•Connect th
e
•When the
m
produced a
n
resistance
e
will show “1
Note:
•Never pe
capacito
r
Diode test
Do n
o
•Connect th
e
VmA
j
ack
•Set the sel
e
•Connect th
e
the anode,
b
u
rrent measurement
s
ead, the indicated va
l
nd mA-ranges are pr
o
/
250V fuse; the 10A r
a
m
easurements
o
t perform resistan
c
e
red test lead to the
V
e
ction switch to the d
e
lways select the hi
g
h
e
ran
g
e.
e
test probes to the ci
r
r
ed value appears on
t
rform resistance mea
r
s are completely disc
h
a
se accuracy when m
e
e measurin
g
probes t
eads. Subtract this v
a
t
ance measurements
a
z
e the read-out.
h
e measured resistan
c
c
uit, the display will s
h
s
t
o
t perform continui
t
e
black test lead to th
e
.
e
ction switch to 200
e
test leads to the circ
m
easured resistance i
s
n
d the resistance is s
h
e
xceed the selected r
a
”.
rform continuity mea
s
r
s are completely disc
h
o
t perform diode m
e
e
black test lead to th
e
.
e
ction switch to 2000
e
test leads to the circ
b
lack test probe to th
e
DVM831
9
s
, when a ne
g
ative po
l
l
ue is preceded by a “
o
tected a
g
ainst ove
r
-
c
a
n
g
e is protected wit
h
c
e measurements o
n
V
mA
j
ack and the b
e
sired "Ω” range. Whe
e
st possible ran
g
e an
d
r
cuit/component und
e
t
he display.
surements on a live
c
h
ar
g
ed.
e
asurin
g
low resistan
c
o
g
ether to determine
a
lue from the measur
e
a
bove 1Mthe mete
r
c
e exceed the selecte
d
h
ow “1”.
t
y measurements o
n
e
COM
j
ack and the r
e
.
uit/component under
s
less than 50a con
t
h
owed on the display.
a
n
g
e or in case of an
o
s
urements on a live c
h
ar
g
ed.
e
asurements on liv
e
e
COM
j
ack and the r
e
.
uit/component under
e
cathode).
©Velleman n
v
l
arity is present at th
e
-” sign.
c
urrent with a cerami
c
h
a ceramic F10A/250
n
live circuits.
lack lead to the "CO
M
n the ran
g
e is
d
lower to the
e
r test.
c
ircuit and make sure
c
e values, first hold th
the resistance value
e
d value of the circui
t
r
needs a few second
s
d
ran
g
e or in case of
a
n
live circuits.
e
d test lead to the
test.
t
inuous beep is
Should the measure
d
o
pen circuit, the displ
a
ircuit and make sure
a
e
circuits.
e
d test lead to the
test (red test probe
t
v
e
c
V
M
"
all
e
of
t
.
s
a
n
d
a
y
a
ll
t
o

31.03.2010
•The meter
w
connection
i
circuited, th
Notes:
•Never pe
capacito
r
•Measurin
Consider
Transistor te
s
Do
n
Use
•Connect th
e
VmA
j
ack
•Set the sel
e
•Determine
w
emitter, th
e
the include
d
•Connect th
e
probe to th
e
•The current
•Nota:
•Make su
r
8. Mainten
a
WAR
N
openi
AMP/
Rem
a
Do n
o
acces
s
acces
s
Switc
h
batter
y
a. General m
a
•Wipe the d
e
solvents or
a
b. Battery Re
•Replace the
Low/bad ba
t
•Remove tes
the input
j
a
c
•Switch off t
h
•Release the
compartme
n
•Replace the
specificatio
n
rechar
g
eabl
•Close the b
a
w
ill display the appro
x
i
s reversed, the mete
r
e display shows 0mV
.
rform diode measure
m
r
s are completely disc
h
g
diodes that are par
t
disconnectin
g
them
f
s
t
n
ot perform transis
t
the included transi
s
e
black test lead to th
e
.
e
ction switch to hFE.
w
hether the transisto
r
e
base and the collect
o
d
adaptor socket.
e
test probes to the d
a
e
“COM”).
g
ain hFE is shown o
n
r
e to insert the transi
s
a
nce / battery a
N
ING: To avoid elec
n
g
the device To p
r
VOLT ratin
g
shown
a
rk: refer to the wa
r
o
treplace internal pa
r
s
ories by identical on
e
s
ories e.
g
. test probe
s
h
off the meter and re
y
or fuses.
a
inenance:
e
vice re
g
ularly with a
m
a
brasive products.
placement
battery as soon as t
h
t
teries can produce f
a
t probes from the cir
c
c
ks.
h
e multi-meter.
screw at the back of
n
t.
battery by 2 new ba
t
n
s followin
g
the indic
a
e batteries)
a
ttery compartment a
DVM831
10
x
imate forward volta
ge
r
will display “1
”
; if t
h
.
m
ents on a live circui
t
h
ar
g
ed.
t
of a circuit mi
g
ht pr
o
f
rom the circuit.
t
or test on live circ
u
s
tor socket.
e
COM
j
ack and the r
e
r
is of the NPN- or PN
P
o
r. Insert the leads in
t
a
ptor socket (red pro
b
n
the display (base cu
s
tor in the socket the
nd fuse replace
m
trical shock remov
e
r
event fire, only ins
t
.
r
nin
g
on the back o
f
r
ts yourself. Replace
d
e
s with the same spe
c
s
at your dealer.
move test leads prior
m
oist, lint-free cloth.
h
e “ ” indication ap
a
lse readin
g
s.
c
uit under test. Remo
v
the meter (top) and
o
t
teries of the same ty
p
a
ted polarity(2x 1.5V
A
nd ti
g
hten the screw.
©Velleman n
v
e
drop. If the lead
h
e diode is short-
t
and make sure all
o
duce faulty results.
u
its.
e
d test lead to the
P
-type and locate the
t
o the proper holes in
b
e to the “+”, black
rrent 10µA, Vce 2,8V
)
ri
g
ht way.
m
ent
e
test leads before
t
all fuses with
f
the meter.
d
ama
g
ed or lost
c
ifications. Order spar
e
to replacin
g
the
Do not use alcohol,
pears on the display.
v
e all test leads from
o
pen the battery
p
e and with the same
A
AA, do not use
v
)
.
e