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07.2010
Introdu
all resident
portant en
This sy
environ
speciali
Respec
If in d
nk you for b
s damaged in
AVM2050
sound level
ices and airp
ult readout,
Battery lev
7 selectabl
RCA output
Measuring
A & C weig
Safety
Keep
General
er to the Vel
Familiarise y
All modificat
covered by t
Only use the
Damage cau
accept respo
Do not switc
damage by l
Battery
The AVM20
Open the ba
To test the
MARKS:
• Set the
• Remove
Range
Select 1 of t
each of the
Selector
position
easuring
range
Example: w
Output
You can con
audio cable
Always bear
Set the RAN
internal amp
entirely inst
analyzer or
Respon
The respons
o FAST ma
o SLOW is
tion
of the Eur
ironmental
bol on the d
ent. Do not
ed company
the local en
ubt, contac
ying the AV
transit, don'
llows you to
, broadband,
rts, or to tes
hich allows
l readout (
ranges: fo
: to connect
requency: f
ting: for ac
nstructi
his device a
Guidelin
leman® Ser
Keep this de
Keep this de
Protect this d
ourself with t
ons of the de
he warranty.
device for it
ed by disreg
nsibility for a
the device
aving it swit
replace
0 requires o
tery compar
attery, put t
ANGE select
he battery w
e 7 measuri
ranges. The
60dB
50-66dB
en the RANG
ect the AVM
o connect th
in mind that
E selector t
lifier from re
umental reco
ny other me
e Time
switch has
kes the mete
used for aver
pean Union
nformation
vice or the
dispose of th
for recycling.
ironmental r
your local
2050! Plea
install or us
measure the
interrupted
the acoustic
wift measure
ee §4)
50 to 126dB
he device to
st / slow r
ustic analyse
ns
ay from child
es
ice and Qu
ice away for
ice away fro
evice from sh
e functions
vice are forbi
intended pu
rd of certain
y ensuing d
n immediate
hed off until
ent
e 9V battery
ment and re
e RANGE sel
r to OFF whe
en you will
g ranges (16
pointer indic
70dB
60-76
E selector is
2050 to reco
device to an
he output si
a value for
oving the si
rdings. Conn
suring instru
positions: F
react fast to
ge noise lev
AV
Us
about this p
ackage indic
unit (or bat
This device s
les.
aste dispo
e read the m
it and conta
sound level i
r continuous)
of studios, t
ments in any
measuremen
hi-fi installa
sponse: to
s and measu
ren and unau
lity Warran
rain, moist
dust and e
ocks and abu
f the device
den for safe
pose. Using
guidelines in
fects or prob
y after it has
it has reache
. Alkaline bat
ove the old
ctor to BATT
you are not
ot be using t
dB per range
tes the soun
80
B 70-
et to 80dB a
rding or othe
AUX or LINE
nal is influen
hich the ma
nal. Use the
ct the output
ent.
ST and SLO
sudden chan
l measurem
2050
2
r man
roduct
tes that disp
eries) as uns
hould be retu
al authoriti
nual thorou
t your deale
virtually eve
. It can be us
heatres and
location.
ts (see §5)
tion or test e
easure sou
ements (see
thorized user
ty on the las
re, splashing
treme heat.
se. Avoid bru
efore actuall
y reasons. D
he device in
this manual i
ems.
been expose
room temp
eries usually
attery. Inser
if the meter
using the A
e AVM2050
using the R
level comp
B
6dB 8
d the pointe
equipment t
input of a re
ed by the in
imum deviati
A weighting f
with high im
.
es is the so
nts. Short so
ual
sal of the de
orted munici
rned to your
s.
hly before br
.
ry acoustic e
ed to measur
i-fi installatio
uipment (se
d peaks or a
§8)
s.
pages of thi
and dripping
e force when
using it.
mage cause
n unauthoris
s not covere
to changes
rature.
give better r
the new on
moves to the
M2050. Tha
for a while.
NGE selecto
red to the re
0dB
-96dB
points to -3,
hrough the O
order.
ernal filtering
on of the me
r recordings
edance hea
nd level. Thi
und surges h
ice after its l
al waste; it s
istributor or
inging this de
vironment (
e the noise le
ns. The AVM
§6)
erage sound
manual.
liquids.
operating th
by user mo
d way will v
by the warr
n temperatu
sults and las
. Mind the p
BATT TEST
way the bat
. The numbe
erence value
100dB
0-106dB
the sound le
TPUT conne
process.
er is never m
with voices a
phones, an o
position is i
ve little effe
ifecycle could
hould be tak
to a local rec
vice into ser
igh or low fr
vel in factori
050 has an
levels (see §
device.
ifications to
id the warra
nty and the
e. Protect th
longer.
larity.
rea, the batt
ery will last l
s refer to the
110dB
100-116dB
el is 77dB.
tor. For exa
ore than +4
nd the C wei
cilloscope, a
eal for peak
t.
Rev.
©Vellema
harm the
n to a
cling service
ice. If the de
quency, high
s, schools,
easily readab
)
he device is
ty.
ealer will not
device agai
ry is OK.
nger.
zero point of
120dB
110-126d
ple: use an
o prevent th
hting for
frequency
easurement
01
n nv
.
ice
or
le
ot
st
B
.
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