Digital Sound Level Meter, Portable Sound Level Meter 30 dB to 130 dB Decibel...
26,99 €
Note that it is normal for the screen to display 20-40 decibels in a quiet room. The decibel level for normal conversations is 40-60 decibels. Accuracy of ± dB, resolution dB. The range of applications is very wide and an indispensable tool in life.
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