2
1.
SAFETY INFORMATION
Read the following safety information carefully before
attempting to operate or service the meter.
Use the meter only as specified in this manual:
⚫
Environment conditions
①
Altitude lower than 2000 meters
②
Relatively humidity ≤90
％
RH
③
Operation Ambient 0 ~ 40°C
⚫
Maintenance & Clearing
①
Repair or servicing not covered in this manual
should be performed by qualified personnel.
②
Periodically wipe the case with a dry cloth. Do not
use solvents or harsh chemicals on this
instrument.
⚫
Safety symbols
Comply with EMC
2.
FUNCTIONS DESCRIPTION
This Sound Level Meter is designed for noise project;
quality control; illness prevention and cure and all kinds of
environmental sounds measurement. It is applied to the
sounds measurement at factory; school; office; traffic
access and household, etc.
⚫
This unit confirms to the IEC61672-1 CLASS2 for
Sound Level Meters.
⚫
MAX & MIN measurements
⚫
Over range display
⚫
Under range display
