BRUEL & KJAER 2203 Instructions And Applications

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

BRUEL & KJAER 2203 Specifications

General

Brand	BRUEL & KJAER
Model	2203
Category	Measuring Instruments
Language	English