
Safety Information
Read the following safety information carefully
before attempting to operate or service the meter.
Use the meter only as specied in this manual;
otherwise, the protection provided by the meter
may be impaired.
1. Altitude up to 2000 meters
2. Relatively humidity 90% max.
3. Operation Ambient Temperature 0~40°C
Environment Conditions

1. Repairs or servicing not covered in this manual
should only be performed by qualied personnel.
2. Periodically wipe the case with a dry cloth. Do
not use abrasives or solvents on this instruments.
Meter is protected throughout by double
insulation or reinforced insulation.
When servicing, use only specied replacement
parts.
Compliance with relevant EMC directories.
Maintenance & Cleaning
Safety Symbols

General
To ensure that you can get the most from this
instruments, we recommend that you read and
follow the manual carefully before use.
This unit conforms to the IEC651 type 2, ANSI S1.4
type 2 for Sound Level Meters.
This Sound Level Meter has been designed to meet
the measurement requirements of safety Engineers,
Health, Industrial safety ofces and sound quality
control in various environments.
• Ranges from 30dB to 130dB at frequencies
between 31.5Hz and 8 KHz.
• Display with 0.1dB steps on a 4-digits LCD.
• With two equivalent weighted sound pressure
levels, A and C.

Standard applied:
IEC651 type 2, ANSI S1.4 type 2
Frequency range:
31.5Hz~8KHz
Measuring level range:
30~130dB
Frequency weighting:
A/C
Microphone:
1/2 inch electric condenser microphone
Calibration:
Electrical calibration with the internal oscillator
(1kHz sine wave).
Display:
LCD
Digital display:
LCD4 digits
Resolution:
0.1dB
Display Up data:
0.5 sec.
Time weighting:
FAST (125mS), SLOW (1 sec.)
Specications