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Decibel Meter Digital Sound Level Tester Pressure Audio Noise Measurement Tool Portable 30 dBA - 130 dBA with LCD Display Battery and Frequency Weighting for Musicians Sound Audio - Walmart.com
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Decibel Meter – Department of Physics | CSU
Amazon.com: Decibel Meter Digital Sound Level Meter with Data Record Function 30-130dB Range High Accuracy db Meter with LCD Backlight Time Display : Industrial & Scientific
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How To Use A Sound Level Meter | What Is A Decibel Meter
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Amazon.com: Decibel Meter, RISEPRO® Digital Sound Level Meter 30 – 130 dB Audio Noise Measure Device Backlight MAX/MIN, Data Hold Auto Power Off Dual Ranges HT-80A : Industrial & Scientific
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SLM-267 Decibel Meter Sound Level Tester 30~130dBA Noise Volume Measur – Gain Express