Velleman DVM1500 - Overvoltage and Installation Categories

16.04.2010
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4. Ov
e
DMMs are
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t
on a powe
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he existi
n
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II
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pp
R
ead this manual
t
u
nctions of the de
A
ll modifications o
f
D
amage caused b
y
c
overed b
y
the wa
r
O
nly use the devic
e
a
n unauthorized w
a
d
isregard of certai
n
he warranty and t
e
nsuin
g
defects or
M
ake sure the me
t
b
efore connecting
D
o not measure ci
r
D
o not measure c
u
D
o not conduct re
s
o
n live circuits.
B
efore each use,
m
c
ondition. Always
p
of
the test probes
w
w
hen the meter is
S
witch off the met
e
he battery or fuse
W
hen carrying out
i
rcuits, always be
h
e test
p
oints mi
gh
e
rvoltage/i
n
categorized depe
n
g
e that might occu
t
s of energy induc
e
r line.
n
g categories acc
o
A
T I-rated meter i
c
tronic circuits tha
t
electronics circui
t
A
T II-rated meter
ironments and m
o
ns by means of a
ironment, provide
T
III- or 20m apar
t
liances,
p
ortable
t
DVM1500
5
t
horoughly. Famili
a
vice before actual
f
the device are fo
y
user modificatio
n
r
rant
y
.
e
for its intended
p
a
y will void the w
a
n
guidelines in thi
s
he dealer will not
p
roblems.
t
er is in the appro
p
it to a test circuit.
r
cuits that may co
u
rrent in circuits w
s
istance, diode- o
r
m
ake sure the test
p
lace your fingers
w
hile measuring!
N
connected to a ci
r
e
r and remove te
s
s.
measurements o
n
aware that high a
m
h
t dama
g
e the m
e
n
stallation c
a
n
ding on the risk
a
r at the point of t
e
e
d in a system, e.
o
rding EN 61010-1
s suitable for me
a
t
are not directly
c
t
s, control si
g
nals
…
is suitable for me
o
no-phase applian
c
plug and circuits i
d that the circuit i
t
from a CAT IV-e
n
t
ools…
©
a
rise yourself wit
h
ly using it.
rbidden for safety
n
s to the device is
p
urpose. Using th
e
a
rranty. Damage
c
s
manual is not co
accept responsibi
l
p
riate measuring
r
ntain voltages >
6
ith voltages > 25
0
r
continuity measu
probes are in go
o
behind the protec
N
ever touch free
r
cuit.
s
t probes prior to
r
n
a TV set or switc
h
m
plitude voltage
p
e
ter.
a
tegory
a
nd severity of tra
e
st. Transients ar
e
g. caused by light
are:
a
surements on pr
o
c
onnected to main
…
asurements in CA
T
c
es that are conn
e
n a normal dome
s
s at least 10m ap
a
n
vironment. E.g.
h
Rev. 01
©
Velleman nv
h
the
reasons.
not
e
device in
c
aused by
vered by
l
ity for any
r
ange
6
00
V
0
V
rements
o
d
tive edges
terminals
r
eplacing
h
ing powe
r
p
ulses at
nsient
e
short-
ning strike
o
tected
s power,
T
I-
e
cted to the
s
tic
a
rt from a
h
ousehold