Velleman Dvm851 Bedienungsanleitung Seite 5

6.
Gen neral descrip
The DVM M851 is a batter
voltages, , DC current and
testing d iodes and trans
Refer to t the illustration o
Displ ay
3 ½ d digits, 7 segme
Back light
When n this button is
Rotar ry switch
This switch is used t
Hold button
Upon n pushing this b
the L LCD until the bu
"10A A" jack
Inser rt the red test le
"COM M" jack
Inser rt the black (neg
"VΩm mA" jack
Inser rt the red (posit
(exce ept 10A).
7.
Ov vervoltage/in
DMMs are e categorized d
point of t test. Transients
strike on a power line.
The exist ting categories a
A CAT I-rated m
CAT I
directly connec
A CAT II-rated
appliances that
CAT II
domestic enviro
apart from a CA
A CAT III-rated
as for measure
CAT III
from of a CAT I
(fuse boxes, lig
A CAT IV-rated
well as on the p
CAT IV
Note that for a
overhead or un
Warning g:
This devi ce was designe
that certa ain restrictions
within th e environment
Th his device is only
8.
Pol lution degre
IEC 6101 10-1 specifies di
are neces ssary to ensure
against t he pollution wh
the enclo osure properties
device m may be used.
Pollution degree 1 No
influ
Pollution degree 2 Only
14.12.201 0
ption
ry-operated, ha nd-held 3 ½ dig
d resistance. It also offers the
sistors. The back k light is optiona
on page 2 of th is manual:
nts, LCD : 15m m high
pushed, the bac cklight will illum
to select functio ns and desired
utton, the displa ay will retain th
tton is pushed a again.
ead in this conn ector in order t
gative) test lead d.
tive) test lead in n this connector
nstallation ca ategory
epending on the e risk and sever
are short-lived bursts of energ
according EN 61 1010-1 are:
meter is suitable e for measurem
cted to mains po ower, e.g. electr
meter is suitab ble for measurem
t are connected to the mains by
onment, provid ed that the circ
AT IV-environm ment. E.g. house
d meter is suitab ble for measure
ements on (fixed d) mono- or pol
IV-environment t, and for measu
ghting circuits, e electric ovens).
d meter is suitab ble for measurin
primary supply level.
ll measurement ts on equipment
nderground) a C CAT IV meter m
d in accordance e with EN 61010
in use apply tha at are related to
of use. Refer to o the table abov
y suitable for m measurements u
ee
ifferent types of f pollution envir
safety. Harshe r environments
ich is to be foun nd in a certain e
s. The pollution degree rating o
pollution or only y dry, noncondu
uence. (only to be found in her
y nonconductive e pollution occu
DVM8 851
gital multi-mete er for measuring
possibility of ex xecuting continu
al.
minate your disp play for approxim
ranges as well
he last reading a and the "
o measure a ma ax. current of 1
r to measure vo
rity of transient
gy induced in a
ments on protect ted electronic ci
ronics circuits, c control signals...
ments in CAT I-
y means of a pl
uit is at least 10 0m apart from a
ehold appliances s, portable tools
ements in CAT I
y-phased applia ances which are
urements in or o on distribution l
ng in CAT I-, CA AT II- and CAT I
t for which the s supply cables ru
ust be used.
0-1 installation c category CAT II
o voltages and v voltage peaks w
e.
p to 600V in C CAT II
ronments, for w
require more p protection, and t
environment de
of the DVM indic
uctive pollution
rmetically sealed d enclosures)
rs. Occasionally y, temporary co
5
g DC and AC
uity tests and of
mately 5 second
as to turn the m meter on/off.
"-sy ymbol will remai
0A.
ltage, resistanc e and current
overvoltage tha at might occur a
system, e.g. ca used by lightnin
rcuits that are n
...
environments a and mono-phase
ug and circuits in a normal
a CAT III- or 20
s...
- and CAT II-en nvironments, as
e at least 10m a
evel equipment
II-environment
un outdoors (eit
600V. This imp
which can occur
hich different p rotective measu
the protection
pends mainly on n the insulation
ates in which en nvironment the
occurs. The pol lution has no
nductivity cause
f
ds.
in on
at the
ng
not
e
0m
well
part
t
s as
ther
plies
ures
and
ed by
©Vellema an nv