BRUEL & KJAER 2230 - Table of Contents

CONTENTS
1. INTRODUCTION AND SPECIFICATIONS (PRODUCT DATA) .............................................................................. 1
2. CONTROLS .................................................................................................................................................................. 5
3. OPERATION ............................................................................................................................................................... 12
3.1.
INTRODUCTION ........................ .. ......................................................................................... 12
3.2. BATTERY INSTALLATION .. .................................................................................................. 12
3.3. MOUNTING THE MICROPHONE .......... .. ............................................................................ 13
3.4.
CALIBRATION ....................................................................................................................... 14
Calibration with the Internal Reference ............................................................................ 14
Calibration with the Sound Level Calibrator Type 4230 ................................................. 14
Calibration with the Piston phone Type 4220 ................................................................... 15
Calibration with the Input Attenuator ZF 0020 fitted ...................................................... 16
3.5. SOUND LEVEL MEASUREMENT .............................................................................. .... ..... 16
General .................................................................................................................................. 16
Considerations Regarding the Type of Sound Field ....................................................... 16
Sound Measurements .......................................................................................................... 18
Sound Pressure Level Measurements ............................................................................... 19
SEL Measurements .............................................................................................................. 19
Leq Measurements ................................................................................................................ 19
Max or Min hold Measurements ........................................................................................ 20
Determination of the elapsed time .................................................................................... 20
Noise Dose Evaluation ........................................................................................................ 21
4. USE WITH OTHER INSTRUMENTS ....................................................................................................................... 22
4.1. USE WITH LEVEL RECORDER TYPE 2317 ..................................................................... 22
DC Recording Calibration ................................................................................................... 23
AC Recording Calibration .......... .. ....................................................................................... 24
4.2. USE WITH TAPE RECORDER 7005/06 ............................................................................. 26
Recording with Direct or FM Units .. .................................................................................. 26
Recording with the Compander Unit.. ............................................................................... 27
4.3. USE WITH THE FREQUENCY FILTERS ............................................................................ 27
5. APPENDIX .................................................................................................................................................................. 29
6. SERVICE AND REPAIR ............................................................................................................................................. 34