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Noise Sound Level Meter, Digital Decibel Meter with LCD, Audio Measurement 30 dB to 130 dB, DB Meter with A and C Frequency Weighting for Sound Level Testing - Ins Manor -
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DFRobot Gravity Analog Sound Level/decibel/noise Meter 3.3~5V Compatible with arduino for environmental noise testing/monitoring|noise meter|noise decibel meterdecibel level meter - AliExpress
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Amazon.com: Gravity: Analog Sound Level Meter,Arduino compatible sound level meter,which enable it to accurately measure the sound level of the surrounding environment,Used in noise tests, noise monitoring, etc: Industrial & Scientific
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▷ Sound level meter (Decibel-meter) - Gravity, Analog output - MCHobby - Vente de Raspberry Pi, Arduino, ODROID, Adafruit
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▷ Sound level meter (Decibel-meter) - Gravity, Analog output - MCHobby - Vente de Raspberry Pi, Arduino, ODROID, Adafruit
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