Decibel Meter Sound Decibel Meter With Alarm Function USB 30 To 130dB Db Meter
70,80 €
Feature: 1. Press this key to cancel the alarm. In hold state, press this key to cancel the function. Accuracy: ±1.5dB (In Reference Sound Pressure Standard 94dB 1KHa). an AD converter converts the electrical signals into digital signals, which are then transmitted to a digital signal processor for processing and analysis.
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