Velleman DVM4200 User Manual page 6

Wh hen carrying out me
alw ways be aware that
mi ight damage the me
4. Over rvoltage/insta
DMMs are ca ategorized dependin
that might o ccur at the point of
induced in a system, e.g. cause
The existing categories accordin
A C CAT I-rated meter i
CAT I cir cuits that are not d
cir cuits, control signa
A C CAT II-rated meter
an d mono-phase appl
CAT II a p plug and circuits in
cir cuit is at least 10m
env vironment. E.g. hou
A C CAT III-rated meter
env vironments, as wel
CAT III ph ased appliances wh
env vironment, and for
(lo ow-voltage distribut
A C CAT IV-rated meter
III -environments as w
CAT IV No ote that for all meas
run n outdoors (either o
use ed.
Warning:
This device w was designed in acc
IV 600V / CA AT III 1000V. This i
related to vo oltages and voltage
use. Refer to o the table above.
This device e is suitable for m
•
Protected electronic circuits t
electronics s circuits, control si
•
circuits tha at are directly conn
measure ements on mono-p
o
means o of a plug
mono-p hase appliances an
o
domesti ic environment, pro
CAT IV- environment. E.g.
more th han 10m from a dist
• measurem ments in/on low-volt
meter box x)
• measurem ments on (fixed) mo
CAT IV-en nvironments (e.g. m
bars, low- voltage distribution
This device e is suitable for m
• Measurem ments on distribution
boxes and d equipment/circuits
e.g. circuit ts in sheds, garden
undergrou und wiring e.g. gard
22.04.2011
DVM4200
easurements on a T
t high amplitude vo
eter.
allation categ
ng on the risk and s
f test. Transients ar
ed by lightning strik
ng EN 61010-1 are
s suitable for meas
directly connected to
ls...
is suitable for mea
liances that are con
a normal domestic
m apart from a CAT I
usehold appliances,
r is suitable for mea
l as for measureme
hich are at least 10m
measurements in o
tion boards, lighting
r is suitable for mea
well as on the prima
surements on equip
overhead or underg
cordance with EN 6
mplies that certain
peaks which can o
easurements up t
that are not directly
gnals, circuits behi
nected to mains pow
hase appliances tha
d circuits directly c
ovided that the circu
household applianc
tribution board ...
tage distribution bo
ono- or poly-phased
mains outlets, electr
n boards and circuit
easurements up t
n equipment and ou
s outside or remote
houses and free-st
den lighting, pool-pu
6
TV set or switching
ltage pulses at the
gory
severity of transient
re short-lived bursts
ke on a power line.
:
surements on protec
o mains power, e.g
surements in CAT I
nnected to the main
environment, prov
III- or 20m apart fr
, portable tools...
asurements in CAT
ents on (fixed) mon
m apart from of a C
or on distribution le
g circuits, electric ov
asuring in CAT I-, C
ary supply level.
pment for which the
ground) a CAT IV m
1010-1 installation
restrictions in use
ccur within the env
to 1000V:
y connected to main
nd isolating transfo
wer, but limited to:
at are connected to
onnected to the ma
uit is at least 10m a
ces, portable tools,
oards (distribution b
d appliances and cir
ric ovens, lighting c
breakers).
to 600V:
utdoor installations
e from the domestic
tanding garages , o
ump...
power circuits,
test points
t overvoltage
s of energy
cted electronic
. electronics
I-environments
ns by means of
ided that the
rom a CAT IV-
I- and CAT II-
o- or poly-
CAT IV-
evel equipment
vens).
CAT II- and CAT
e supply cables
eter must be
category CAT
apply that are
vironment of
ns power, e.g.
ormer...
the mains by
ains in a normal
apart from a
light circuits at
boards behind
rcuits except in
ircuits, bus
including meter
c environment
or circuits using
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