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Forum 杭州爱华AWA6270+D E F G噪音分析仪
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杭州爱华AWA6270+D E F G噪音分析仪

YYD
YYD over 14 years ago
杭州爱华AWA6270+D E F G噪音分析仪

 

 

 

AWA6270+ D E F G噪声分析仪

概 述:

噪声测量和频谱分析仪器,本底噪声低,动态范围大;模块化设计,配置不同硬件和软件模块,使仪器分别具有噪声频譜分析、积分采集、统计分析、24h测量、脉冲噪声测量、混响时间测量等不同的功能。仪器采用数字检波和开关电容滤波技术,具有精度高、稳定性好、可靠性高等特点。测量和分析结果可以保存、打印、送入计算机。适用于各种工业噪声测量和频谱分析、环境噪声监测,以及建筑物内混响时间测量。

特 点:

◎ 超大容量储存;                 
◎ 大屏幕LCD显示,有背光; 
◎ F型和G型内置倍频程滤波器; 
◎ D型可测脉冲噪声。

系列产品模块选择和组合及用途,如下表:

模块配置 频谱分析统计分析 24h测量 积分采集 脉冲噪声测量 混响时间测量
AWA6270+D ● ●
AWA6270+E ● ● ●
AWA6270+F ● ● ● ● ●
AWA6270+G ● ● ● ● ●

 

主要技术性能:

模块型号

AWA6270+D

AWA6270+E

AWA6270+F

AWA6270+G

用途

积分采集和脉冲噪声测量

统计分析和24h测量

统计分析、频谱分析和混响时间测量

符合标准

GB/T3785 1型,JJG188-2002 1级, IEC 61672-1:2002 1级

2级

传声器

AWA14423型预极化测试电容传声器(1/2”),标称灵敏度50mV/Pa

AWA14421

测量范围

小于18dB(A),23dB(C),28dB(F)

小于23dB(A)

测量上限

130dB

频率范围

10 Hz~20 kHz

20Hz~12.5kHz

频率计权

A,C,Flat (平直响应)

时间平均

F,S,I及线性平均

指数平均(有效值) F,S及线性平均

量程

10~80,20~90,30~100,40~110,50~120,60~130
线性工作范围70dB
内置滤波器

——

1/1倍频程滤波器,

中心频率:

31.5 Hz~16 kHz

1/1倍频程滤波器,

中心频率:

31.5 Hz~8 kHz

测量方式Lp,Leq,Lmax,Lmin,LAE,ELp,Leq,Lmax,Lmin,LAE,E,L5,L10,L50,L90,L95和24h测量
采样时间间隔31ms(脉冲测量7.8ms)31ms31ms(Tr测量16ms)
积分时间手动、10s、1min、5min、10min、15min、20min、30min、1h、4h、8h、24h
24 h 测量——每小时测量一次
混响时间测量——Tr测量范围:0.3s~10s

显示器

大屏幕字符式LCD,有背景光

显示方式

数字显示,有动态条图显示瞬时声级变化

储存

——

2000组数据或80天24h测量值

科学回删功能

——

科学回删异常测量值

输出

DC、AC及RS232C接口至微型打印机或微机

电池

6×LR,亦可外接7 ~10V电源

外形尺寸/质量

290×90×38(H×W×D,mm)/ 0.5 kg

工作温度范围

-10 ℃~+50 ℃

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