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Integrating Sound Level Meter
1
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; otherwise, the protection
provided by the meter may be impaired.
Environment conditions
 Altitude up to 2000 meters
 Relatively humidity 90% max.
 Operation Ambient 0 ~ 40

C
Maintenance & Cleaning
 Repairs or servicing not covered in this manual should only be performed by
qualified personnel.
 Periodically wipe the case with a dry cloth. Do not use abrasives or solvents
on this instrument.
Safety symbols
Comply with EMC
When servicing, use only specified replacement parts.
2. GENERAL DESCRIPTION
Thank you for selecting our Integrating Sound Level Meter. To ensure that you
can get the most from it, we recommend that you read and follow the manual
carefully before use.
Measurement settings and results (level values and bar graph) are shown on
the backlit LCD panel.
Data can be stored in the meter or directly saved on a computer through USB
interface. Recorded data can be further processed on a computer.
3. FEATURE
 Complies with the requirements of IEC 61672-1 class 2 standard
 Fast, Slow time weighting settings
 A and C frequency weighting settings
 Storage of up to 64,000 records data logger
 USB interface