1
Sound level meter with datalogger / English
3. Specications
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:
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Environment conditions
1. Altitude lower than 2000 meters
2. Relatively humidity ≤90%RH
3. Operation Ambient 0~40°C
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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 eradicator on this instrument.
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Safety symbols
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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.
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This unit confirms to the IEC61672-1 CLASS2 for Sound Level Meters.
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MAX & MIN measurements
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Over range display
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Under range display
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A & C Weighting
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FAST & SLOW response
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Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder
Standard applied
IEC61672 -1 CLASS2
Accuracy
±1.4dB
Frequency range
31.5HZ ~ 8KHZ
Dynamic range
50dB
Memory
32700
Level ranges
LO:30dB~80dB
Med
50dB~100dB
Hi
80dB~130dB
Auto
30dB~130dB
Frequency weighting
A/C
Time weighting
FAST ( 125ms ), SLOW ( 1s )
Microphone
1/2 inch electret condenser microphone
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