Digitales Schallpegelmessgerät 30 ~ 130 dB professionelles Schallpegelmessgerät Dezibelmessgerät
16,23 €
Raspberry Pi. Refuse noise, let you live a quiet life. Windproof wind cover design: more accurate sound collection and filtering the impact of wind on the sound. Frequency weighting characteristics: A sound level frequency weighting.
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