30DB-130DB Lcd GM1356 Usb Digital Sound Level Meter Noise Measurement sy
55,97 €
Sound Level Range: 30dB~130dB. Frequency weighting characteristic: A & C. Level accuracy: ± 1.5dB (reference sound pressure standard, 94dB@1KHZ). Max value hold function. 1 USB Interface. Auto Power Off in 10 minutes.
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