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Reliable Noise Level Indicator for Schools, Hospitals, and Shopping Mall

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Vintage Realistic Sound Level Meter 42-3019 Radio Shack w/ Box !!

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Sper Scientific 850015 Graphic Display Sound Level Meter

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Decibel Meter Wall Hanging Sound Level 11 inch Large 11''

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2X(Digital Noise Meter Sound Level Meter Handheld DB Meter A-Weighted1429

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Agilent E5071C 8.5G Label

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Triplett SLM400 Decibel Sound Level Meter, 35 to 130dB Standard

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Cen Tech Analog Sound Level Meter Measure Noise Tested Working

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H H Scott type 450-B Sound Level meter with case & strap UNTESTED

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Decibel Meter, Tadeto Digital Sound Level Meter Portable SPL 30dB Green

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Sound Level Calibrator with Sound Pressure Level 94dB 114dB Accuracy 0.3dB

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Decibel Meter TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen