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ให้เช่า CEM DT-8852 Datalogger Sound Level Meter
Features:
1.This unit confirms to the IEC61672-1 class 2 for Sound Level Meters
2.MAX & MIN measurements
3.Overrange display
4.Underrange display
5.A & C Weighting
6.FAST & SLOW response
7.Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder
8.Datalogger function (8852)
9.Adjustable Alarm-Levels (8852)
10.Memory for 32700 readings
Specifications:
Standard applied
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IEC61672-1 Type 2,ANSI S1.4 Type2
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Accuracy
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±1.4dB
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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 ranges
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LO:30dB~80dB Med:50dB~100dB
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Hi:80dB~130dB Auto:30dB~130dB
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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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Resolution
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0.1dB
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Display Update
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2 times/sec
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Analog output
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AC/DC outputs, AC=1Vrms,DC=10mV/dB
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Accessories :
Battery, screwdriver, audio plug, windscreen, software, USB cable, tripod and DC 9V power supply and gift box with carrying case.