EasyManuals Logo

BRUEL & KJAER 2203 Instructions And Applications

BRUEL & KJAER 2203
76 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #43 background imageLoading...
Page #43 background image
5.8.
EFFECT OF
SOUND
FIELD
The acoustic
sensitivity
of
the
2203
without
a
microphone
measured
with
a
linear
or
any
weighting
network,
is
at
least
60
dB
below
the
ap-
plied SPL.
This
specification is
especially
of
importance
when
the
2203
is used for voltage and
vibration
measurements
in
the
presence
of
a
high
level sound field.
5.9.
EFFECT OF
VIBRATION
The effect
of
vibration
on
the
2203
is
shown
in
Fig.5.11
a-f.
For these
tests
the
instrument
was
vibrated
along
each
of
its
three
axes
both
with
and
without
the
Flexible
Extension
Rod
UA
01
96.
The
vi-
bration
level
was
1 0
m/s
2
(approx. 1 g).
Curve
I
indicates
the
effect
of
vibration
on
the
Microphone
and
Meter
as a
whole.
Curve
II
shows
the
sound
pressure level at
the
Microphone
generated
by
the
vibration
of
the
shaker. Curve Ill
shows
the
noise
level
of
the
2203
with
the
Micro
-
phone
replaced by an
equivalent
capacitance.
5.1
0.
EFFECT OF
ATMOSPHERIC
PRESSURE
The effect of
atmospheric
pressure
on
the
sensitivity
and
frequency
response of
the
Microphone
is less
than
±
0,
2
dB
for
a
pressure
varia-
tion
of
1 0%. Detailed
specifications
are
given
in
the
Microphone
Instruc-
tion
Manual.
5.11.
EFFECT OF ELECTROSTATIC
AND
ELECTROMAGNETIC
FIELDS
The
sensitivity
of
the
Microphone
to
an
electrostatic
field
is
negligible
as long
as
the
protection
grid
is
kept
on.
For
the
rest
of
the
meter,
elec-
trostatic
fields have negligible
influence.
The
effect
of
a
magnetic
field
on
the
Microphone
and
input
stage is
negligible. A
magnetic
field
of
80
A/m
( 1
0rsted)
at
50
Hz
produces
an
equivalent
SPL
of
40
dB (Lin.)
on
the
Meter
and
input
stage.
41

Table of Contents

Other manuals for BRUEL & KJAER 2203

Preview: Instruction Manual
Instruction Manual32 pages
Preview: Service
Service19 pages

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the BRUEL & KJAER 2203 and is the answer not in the manual?

BRUEL & KJAER 2203 Specifications

General IconGeneral
BrandBRUEL & KJAER
Model2203
CategoryMeasuring Instruments
LanguageEnglish

Related product manuals