Noise Measurement Data Acquisition System

System Introduction

Noise Measurement Data Acquisition System is mainly used to measure sound pressure value of launch devices, including the peak pressure level, duration, 140dB equal pressure curve of the noise, in order to provide standardized measurement data for evaluating the impact of noise on human hearing and protecting staff. The system can complete synchronous data acquisition and analysis on 16-channel analog input signals, process data and save it as file, and can realize remote control over the apparatus with serial communication function.

System Functions

Sound pressure measurement: Peak pressure level, equivalent continuous sound pressure level, duration;

Sound pressure analysis: (A, B, C) weighted network analysis, acquiring and rendering of 140dB equal pressure curve;

Common data analysis: Calculus, relevance, frequency spectrum analysis, etc.;

Octave analysis: Octave, 1/3 octave analysis.

System Indexes

Input Channel


A/D Resolution

16 Bits

The Highest Sampling Rate


Buffer of Each Channel

128 MB

Anti-aliasing Low-pass Filter

10 KHz, 20 KHz, 50 KHz, 100 KHz, 200 KHz

Input Measuring Range

±100 mV, ±200 mV, ±100 mV, ±100 mV, ±100 mV,

Triggering Function

Except for conventional triggering, it supports signal triggering and acquisition of any channel

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