Introduction; International Electrical Symbols - AEMC Instruments CA832 Notice De Fonctionnement

● The sound level meter is a measurement instrument that must
be protected from strong impacts and vibrations.
● The microphone must be protected from exposure to water
and dust and must not be stored in humid and/or excessively
hot areas.
● Do not remove the protective foam cover from the microphone.
● Cleaning the microphone is not recommended.
1.1

International Electrical Symbols

This symbol signifies that the instrument is protected by double or rein-
forced insulation.
This symbol on the instrument indicates a WARNING and that the operator
must refer to the user manual for instructions before operating the
instrument. In this manual, the symbol preceding instructions indicates that
if the instructions are not followed, bodily injury, installation/sample and
product damage may result.
Risk of electric shock. The voltage at the parts marked with this symbol may
be dangerous.
This symbol refers to a type A current sensor. This symbol signifies that
application around and removal from HAZARDOUS LIVE conductors is per-
mitted.
In conformity with WEEE 2002/96/EC
Sound Level Meter Model CA832
CHAPTER 1

INTRODUCTION

Warning
3