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Ⅰ
. 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
1 Altitude up to 2000 meters
2 Relatively humidity 90% max.
3 Operation Ambient 0~40
℃
Maintenance & Clearing
1 Repairs or servicing not covered in this manual should
only be performed by qualified personnel.
2 Periodically wipe the case with a dry cloth. Do not use
abrasives or solvents on this instruments.
Safety symbols
Meter is protected throughout by double insulation or
reinforced insulation.
When servicing, use only specified replacement parts.
Comply with EMC
Ⅱ
. General Description
Thank you for using our 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.
This unit conforms to the
IEC61672-1
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 offices 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.
Ⅲ
. Specifications
Standard applied :
IEC61672-1
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 electret condenser microphone
Calibration
: Electrical calibration with the internal
oscillator (1kHz sine wave)
Display
: LCD
Digital display : 4 digits
Resolution: 0.1dB
Display Up data: 0.5 sec.
Time weighting : FAST(125mS), SLOW(1 sec.)