Ⅰ
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.Safety
S afety
Safety
Safetyinformation
i nformation
information
information
Readthefollowingsafetyinformationcarefullybefore
attemptingtooperateorservicethemeter.
Usethemeteronlyasspecifiedinthismanual;otherwise,the
protectionprovidedbythemetermaybeimpaired.
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Environment
Environment
Environment
Environmentconditions
c onditions
conditions
conditions
1Altitudeupto2000meters
2Relativelyhumidity90%max.
3OperationAmbient0~40℃
�Maintenance
Maintenance
Maintenance
Maintenance&
&
&
&Clearing
C learing
Clearing
Clearing
1Repairsorservicingnotcoveredinthismanualshould
onlybeperformedbyqualifiedpersonnel.
2Periodicallywipethecasewithadrycloth.Donotuse
abrasivesorsolventsonthisinstruments.
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.General
General
General
GeneralDescription
D escription
Description
Description
ThankyouforusingourSoundLevelMeter.
To
ensurethat
youcangetthemostfromit,werecommendthatyouread
andfollowthemanualcarefullybeforeuse.
ThisSoundLevelMeterhasbeendesignedtomeetthe
measurementrequirementsofsafetyEngineers,Health,
Industrialsafetyofficesandsoundqualitycontrolinvarious
environments.
�Rangesfrom30dBto130dBatfrequenciesbetween
31.5Hzand8KHz.
�Displaywith0.1dBstepsona4-digitsLCD.
�Withtwoequivalentweightedsoundpressurelevels,
A
andC.
Ⅲ.
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.Specifications
S pecifications
Specifications
Specifications
Standardapplied:IEC651type2,ANSIS1.4type2
Frequencyrange:31.5Hz~8KHz
Measuringlevelrange:30~130dB
Frequencyweighting:A/C
Microphone:1/2inchelectretcondensermicrophone
Calibration:Electricalcalibrationwiththeinternal
oscillator(1kHzsinewave)
Display:LCD
Digitaldisplay:4digits
Resolution:0.1dB
DisplayUpdata:0.5sec.
Timeweighting:FAST(125mS),SLOW(1sec.)
Levelranges:Lo:30-100dB
Hi:60-130dB
Accuracy:+ 1.5dB(underreferenceconditions)