Wall Mounted Decibel Meter High Accuracy Wide Measuring Range USB Wall Hanging Sound Level Meter for Noise Monitoring

Feature: 1. ACCURATE MEASUREMENT SOUND: Sound level meter tester is an instrument used to measure environmental noise. With digital technology, it can accurately measure the strength and frequency of sound. 2. WORKING PRINCIPLE: The Decibel meter s microphone will collect sound signals from the environment and convert them into electrical signals.The AD converter will convert the electrical signals into digital signals, which will then be transmitted to a digital signal processor for processing and analysis. The processor calculates the strength and frequency of the noise and displays the results on the screen. 3. WALL MOUNTED: Wall mounted decibel meter is wall mounted with mounting holes, can be mounted on the wall, convenient and does no