BRUEL & KJAER 2221 - Table of Contents

CONTENTS
1. INTRODUCTION AND SPECIFICATIONS (PRODUCT DATA) ...................................................................... 1
2.
CONTROLS ................................................................................................................................................................ 5
3.
OPERATION ............................................................................................................................................................... 9
3.1.
INTRODUCTION ...................................................................................................................... 9
3.2. BATTERY
INSTALLATION ..................................................................................................... 9
3.3.
MOUNTING THE MICROPHONE ........................................................................................ 10
3.4. CALIBRATION ....................................................................................................................... 10
3.5. SOUND LEVEL MEASUREMENT ....................................................................................... 11
General .................................................................................................................................. 11
Considerations Regarding the Type of Sound Field ...................................................... 12
Leq and SEL Measurements ............................................................................................... 14
Max Hold "Fast/Slow" Measurements ............................................................................. 14
Max.
Hold "Peak" Measurements ..................................................................................... 15
Use
of the L
6
qlSEL Conversion Table .............................................................................. 15
Noise Dose
Evaluation ..................................................................................................... ... 17
Example of Measurement .................................................................................................. 17
4.
USE WITH OTHER INSTRUMENTS ................................................................................................................... 19
4.1.
USE WITH LEVEL RECORDER TYPE 2306 .................................................................... 19
4.1.
USE WITH TAPE RECORDER TYPE 7005/06 ................................................................. 21
Recording with Direct and FM Units ................................................................................ 21
Recording with the Compander Unit ................................... : ............................................ 22
5. APPENDIX ................................................................................................................................................................ 23
6.
SERVICE AND REPAIR ......................................................................................................................................... 24