Digital Sound Level Meter Calibrator 94dB & 114dB for 1/2" and 1" inch Microphone, Portable with Backlight, Calibration Tool

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-5%

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-3%

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-5%

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-30%

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2.0

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5.0

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Incomplete data

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5.0

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-0.5%

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4

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5.0

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3

5.0

-9%

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-35%

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2

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-4%

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4

-1%

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-8%

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-11%

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-4%

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