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BRUEL & KJAER 2203 Instructions And Applications

BRUEL & KJAER 2203
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crophone,
or
use
the
half-inch
Microphone
for
better
omni-directivity.
Alternatively,
a
pressure
response
microphone
fitted
with
its
normal
protecting
grid
can be used
for
random
or
semi-random
fields.
4.
Calibrate
the
2203
before
use
to
ensure
correct,
reproducible
results.
5.
Keep
notes
on
measurement
conditions,
equipment
and
accessories
used,
background
noise
levels,
weighting
networks
and
meter
func-
tions
used.
6. Special
attention
should
be
paid
to
the
procedure
outlined
below
to
ensure
operation
without
input
overload.
7 . To
make
high
accuracy
measurements
in
accordance
with
the
stand-
ards
of
IEC 1
79
or
DIN
45
633
parts
1
and
2,
the
2203
must
be
used
with
the
following
accessories
:
Extension
Rod
Adaptor
One-inch
Microphone
Random
Incidence
Corrector
or
Extension
Rod
Half-inch
Microphone
UA
0196
DB
0375
4145
UA
0055
UA
0196
4133
3.3.2.
Specific
Sound
Measurement
Procedure
1.
Calibrate
the
2203
as
described
in
Section
3. 2.
2.
Set
METER SWITCH
to
"Lin
.
",
"Fast"
.
3.
Set
OUTPUT .
ATIENUATOR
(transparent)
at
minimum
gain
(fully
clockwise,
red
lines
opposite
black
dot).
4 .
Adjust
INPUT
ATIENUATOR
(black)
for
the
highest
possible
meter
reading
without
overdeflection
.
5.
Set
METER SWITCH
to
desired
weighting
network
and
meter
damp-
ing.
6.
If necessary,
turn
OUTPUT
ATIENUATOR
(transparent)
anti-clockwise
to
obtain
a
meter
deflection
between
0
and
+
10
dB (Do
not
adjust
the
INPUT
ATIENUATOR
at
this
stage
since
it
may
result
in
input
overload).
17

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BRUEL & KJAER 2203 Specifications

General IconGeneral
BrandBRUEL & KJAER
Model2203
CategoryMeasuring Instruments
LanguageEnglish

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