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0034-0001
CENTER-320 Sound Lever Meter
Instantaneous measurement:
CENTER320 this noise meter is designed to make noise engineering, quality control, health prevention and environmental noise measurements. Such as factories, schools, offices, roads, home, audio etc. Various occasions the noise measurement applications.
Specification︰
International norms︰
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IEC 651 TYPE II
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Accuracy︰
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±1.5dB (ref 94dB@1KHz)
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Frequency Range︰
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31.5HZ~8KHZ
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Dynamic Range︰
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50dB
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Level Range︰
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LO:30dB~80dB Med:50dB~100dB Hi:80dB~130dB
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Frequency Weighting︰
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A / C
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Time Weighting:
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FAST:125ms,SLOW:1s
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Microphone︰
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1 / 2 inch Electret condenser microphone
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Display︰
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4 Digits Display.,Resolution 0.1dB.
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Update︰
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0.5s
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Maximum reading lock︰
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MAX HOLD
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Minimum reading lock︰
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MIN HOLD
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Overload indicator︰
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"OVER"、"UNDER" Symbol indicates
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Battery︰
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9V battery(NOT INCUDING BATTERY)
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Battery Life︰
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50 hours ( with alkaline battery )
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Operation temp︰
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0℃ ~ 40℃ ,10%RH~75%RH
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Dimensions︰
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275×64× 30mm
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Analog signal output︰
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AC / DC signal output by headphone socket
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AC = 1Vrms (range per file), the output impedance of about 10Ω
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DC = 10Mv/dB, the output impedance of about 100Ω
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Weight︰
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About 275 g (including battery)
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- 1 x CENTER-320 Sound Lever Meter
- 1 x Instruction Manual
- 1 x Carrying Case
- 1 x Calibration Screwdriver
- 1 x Windscreen
- 1 x 3.5Ø plug
- (NOT INCUDING BATTERY)
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