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BRUEL & KJAER 2225 - Default Chapter; Table of Contents

BRUEL & KJAER 2225
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CONTENTS
1.
INTRODUCTION
AND
SPECIFICATIONS
(PRODUCT
DATA)
.................................................
1
2.
CONTROLS
..................................................................................................................
·
·.
· ·· · · 5
3.
OPERATION
.........................................................................................................................
8
3.1 . INTRODUCTION
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.
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.
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8
General
Considerations
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2.
BATIERY
INSTALLATION
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8
3.3.
MOUNTING THE MICROPHONE ....
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.. .. ..
...... ....
.. ..
.. ..
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9
3.4
. CALIBRATION
.........
.
..........................
.
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............... 9
3.5
. SOUND LEVEL MEASUREMENTS
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.
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..
.
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. :
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10
General
.....
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10
Procedure
for
Sound
Level
Measurement
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
Noise Dose
Measurements
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2
SEL(LAx)
Measurement
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2
4.
USE
WITH
OTHER
INSTRUMENTS
......................................................................................
13
4. 1 .
DC
LEVEL RECORDING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3

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