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BRUEL & KJAER 2203 Instructions And Applications

BRUEL & KJAER 2203
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1.
INTRODUCTION
1.1.
PRECISION
SOUND
LEVEL METER TYPE
2203
The
Bruel
and
Kjmr
Precision
Sound
Level
Meter
Type
2203
is a
com-
pact, portable
instrument
for
precision
sound
and
vibration
measure-
ment.
The
2203
meets
the
standards
of
IEC
179/1973
for
Precision
Sound
Level
Meters.
Built
into
the
2203
are
the
A,
B, and C
weighting
networks.
Provision
is
also
made
for
external
filters
such
as
the
1
613
(Octave) and 1 61 6
(Third Octave)
filters
permitting
truly
portable
analysis.
The
2203
is capable
of
sound
measurements
over a
wide
frequency
and
dynamic
range
with
the
Condenser
Microphone
(4145)
provided
with
it.
It
accurately
measures
the
RMS
values
of
signals
with
crest fac-
tors
up
to
5.
Slow
and Fast
meter
dampings
are
provided according
to
IEC
179.
It
can also be used
for
vibration
measurements
when
fitted
with
a
suitable
accelerometer.
Sound
Level
Meters
Type
2203
from
serial
number
467152
are
of
a
new
construction
featuring
generally
improved
gain
stability
with
tem-
perature
variation,
lower
output
impedances, and a
new
expanded
list
of
accessories.
The
2203
is available
with
a
wide
range
of
accessories making
it
a
versatile,
portable
instrument.
1.2.
PRECISION
SOUND
LEVEL METER
STANDARDS
The
IEC
(International
Electrotechnical
Commission)
has set various
standards
for
sound
level
meters.
IEC
Publication
1
23
gives
the
require-
ments
for
general
purpose
Sound
Level
Meters
which
are
made
more
stringent
in
Publication
179
for
Precision
Sound
Level
Meters.
The B & K
2203
meets
or
exceeds all
requirements
of
IEC
1
79,
the
main
points
of
which
are
given
below:
7

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BRUEL & KJAER 2203 Specifications

General IconGeneral
BrandBRUEL & KJAER
Model2203
CategoryMeasuring Instruments
LanguageEnglish

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