Geräuschpegeltester Schallpegelmesser Dezibelmonitor 30 bis 130dBA 35 bis 130dBC
147,88 €
The amplifier adds the output signal to the weighting network, and the signal is frequency weighted (or external filter), then the signal is amplified to a certain amplitude by the attenuator and amplifier, and finally the corresponding value is displayed on the LCD after being processed by the digital circuit processor.
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