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BRUEL & KJAER 2203 Instructions And Applications

BRUEL & KJAER 2203
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Equivalent
SPL dB
Volts
RMS
20
145
I""""
r--
~
140
10
135
5
130
2
125
120
20
1
50 100
1
0%
distorJion
Micro~hone
directlly mountled
5%
distor~ion
-.............
1%
distortion
~
~
-...........
~
~~
With
"blo
AO
003~
[\
\
~
1\
'
200 500
1000 2000
5000
1 0000 20000
Frequency
Hz
173496
Fig.5.8. Distortion originating in
the
2203
sponds
to
a
sound
pressure
level of
140
dB. If
the
sensitivity
of
the
Mi-
crophone is
higher
or
lower
than
50
mV
/Pa,
the
maximum
sound pres-
sure
level
that
can be
measured
will
differ
from
140
dB
by
the
number
of
dB
the
Microphone
sensitivity
differs
from
50
mV/Pa.
For example,
for
a
microphone
with
1
2,
5
mV
/Pa
sensitivity
( 1 2 dB less
than
50
mV
/Pa)
the
maximum
sound
pressure level is
152
dB (
12
dB
higher
than
140
dB).
The
distortion
characteristics
of
tiTe
2203
with
and
without
Extension
Cable
AO
0033
are
shown
in
Fig.5.8.
For distortion
characteristics
of
the
Microphones
themselves,
refer
to
the
appropriate
Microphone
In-
struction
Manual.
38

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BRUEL & KJAER 2203 Specifications

General IconGeneral
BrandBRUEL & KJAER
Model2203
CategoryMeasuring Instruments
LanguageEnglish

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