BRUEL & KJAER 2225 User Manual

CONTENTS
1. INTRODUCTION AND SPECIFICATIONS (PRODUCT DATA) ................................................. 1
2.
CONTROLS .................................................................................................................. · ·. · ·· · · 5
3. OPERATION ......................................................................................................................... 8
3.1 . INTRODUCTION ............ .... ............... . ........................... . .......... .. .............. 8
General Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2.
BATIERY INSTALLATION ............................................................ .... .. ..... .. 8
3.3. MOUNTING THE MICROPHONE .... ............................ .. .. .. ...... .... .. .. .. .. ........ 9
3.4 . CALIBRATION ......... . .......................... . ........................ .. ...... ..... ............... 9
3.5 . SOUND LEVEL MEASUREMENTS ..... . ............ ...... .. . .. .. ................ . : ............. 10
General ..... .... .... ................ ...... ...... . ......... ........ .................................. ..... 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

BRUEL & KJAER 2225 Specifications

General

Brand	BRUEL & KJAER
Model	2225
Category	Measuring Instruments
Language	English