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PCE-322A Sound Level Indicator Class II Decibel (dB) Meter with Data-Logging functionality from PCE Instruments: Amazon.com: Industrial & Scientific
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Professional Noise/Sound Level Meter Digital 30~130dBA Decibel Meter Measuring Instrument (Sound Level Meter): Amazon.com: Industrial & Scientific
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ennoLogic Decibel Meter and Recorder – Digital Sound Level Meter, Noise Logger and Tester – Max/Min/Hold, Range 30-130 dBA - eS528L: Amazon.com: Industrial & Scientific
