日本RION理音NA-28噪音分析仪价格更便宜

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">可采用的技术标准

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">声级计：测量方法精密声级计

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">IEC 61672-1<*n style="font-family:宋体">：<*n style="font-family:Times New Roman">2002 1<*n style="font-family:宋体">级          <*n style="font-family:Times New Roman">IEC 61260<*n style="font-family:宋体">：<*n style="font-family:Times New Roman">1995 1<*n style="font-family:宋体">级

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">ANSI S1.4-1983 1<*n style="font-family:宋体">类             <*n style="font-family:Times New Roman">ANSI S1.11-2004 1<*n style="font-family:宋体">级           

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">JIS C 1509-1:2005 1<*n style="font-family:宋体">级           <*n style="font-family:Times New Roman">JIS C 1514:2002 1<*n style="font-family:宋体">级

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">JIS C 1513:2002 1<*n style="font-family:宋体">级             

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">测量功能

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">测量方式

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">采用声级计工作方式

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">采用分析仪工作方式

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">测量项目

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">采用声级计工作方式和分析仪工作方式。采用声级计工作

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">方式时在主和次通道进行主要处理，在次通道也进行附加

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">处理；采用分析仪工作方式时只在主和次道进行测量。频

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">率加权和时间加权能分别地为主和次道进行设定。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">在主和次通道能测量在下面所列项目所示全通值。在次通道能测量<*n style="font-family:Times New Roman">Lpeak<*n style="font-family:宋体">或者<*n style="font-size:10.5000pt"><*n style="font-family:'Times New Roman'">Ltm5<*n style="font-size:10.5000pt"><*n style="font-family:宋体">。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">在主通道进行实时<*n style="font-family:Times New Roman">1<*n style="font-family:宋体">倍频程分析和<*n style="font-family:Times New Roman">1/3<*n style="font-family:宋体">倍频程分析以及全通处理。在次通道只进行全通处理。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">用所选的时间加权和频率加权特性同时测量所有项目。

1. <*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">瞬间的声压电平                   <*n style="font-family:Times New Roman">Lp      
2. <*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">等效连续的声压电平               <*n style="font-family:Times New Roman">Leq
3. <*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">辐射声级电平                     <*n style="font-family:Times New Roman">L_{<*n style="font-size:10.5000pt"><*n style="font-family:宋体">E}
4. <*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">声压电平                     <*n style="font-family:Times New Roman">Lmax
5. <*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">小声压电平                     <*n style="font-family:Times New Roman">Lmin
6. <*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">百分位声级电平                   <*n style="font-family:Times New Roman">L_{<*n style="font-size:10.5000pt"><*n style="font-family:宋体">N}  <*n style="font-size:10.5000pt"><*n style="font-family:宋体">(1<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">99%<*n style="font-family:宋体">，增量步长为<*n style="font-family:Times New Roman">1%<*n style="font-family:宋体">，多为<*n style="font-family:Times New Roman">5<*n style="font-family:宋体">个值，从<*n style="font-family:Times New Roman">Lp<*n style="font-family:宋体">或者<*n style="font-family:Times New Roman">Leq,1sec<*n style="font-family:宋体">计算<*n style="font-family:Times New Roman">)

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">附加处理（只采用声级计工作方式）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">采用声级计工作方式，能在主处理外附加有下列附加处理中的任一个。

1. <*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">峰值声级                         <*n style="font-family:Times New Roman">Lpeak   
2. <*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">Takt<*n style="font-family:宋体">声压电平                 <*n style="font-family:Times New Roman">L_{<*n style="font-size:10.5000pt"><*n style="font-family:宋体">tm5}

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">频率加权特性对于次通道也一样。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">测量时间

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">1<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">59<*n style="font-family:宋体">秒，<*n style="font-family:Times New Roman">1<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">59<*n style="font-family:宋体">分，<*n style="font-family:Times New Roman">1<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">24<*n style="font-family:宋体">小时

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">麦克风和前置放大器

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">UC-59<*n style="font-family:宋体">型麦克风    灵敏度<*n style="font-family:Times New Roman">-27dB<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">&plu*n;<*n style="font-size:10.5000pt"><*n style="font-family:宋体">2 dB <*n style="font-family:宋体">（<*n style="font-family:Times New Roman">1 V/Pa = 0dB)

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">NH-23<*n style="font-family:宋体">型前置放大器

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">测量电平量程

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">A-<*n style="font-family:宋体">加权<*n style="font-family:Times New Roman">25<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">130 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">C-<*n style="font-family:宋体">加权<*n style="font-family:Times New Roman">33<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">130 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">Z-<*n style="font-family:宋体">加权<*n style="font-family:Times New Roman">38<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">130 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">总的测量电平量程

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">(A-<*n style="font-family:宋体">加权特性，<*n style="font-family:Times New Roman">1kHz)

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">25<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">140 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">峰值声级测量上限

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">为<*n style="font-family:Times New Roman">143 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">固有噪音

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">A-<*n style="font-family:宋体">加权值<*n style="font-family:Times New Roman">17 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">C-<*n style="font-family:宋体">加权值<*n style="font-family:Times New Roman">25 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">Z-<*n style="font-family:宋体">加权值<*n style="font-family:Times New Roman">30 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">测量频率量程

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">10Hz<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">20kHz

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">分析频率量程

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">    1<*n style="font-family:宋体">倍频程分析           

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">    1/3<*n style="font-family:宋体">倍频程分析        

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">16Hz<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">16kHz

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">12.5Hz<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">20kHz

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">频率加权       

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">A<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">C<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">Z

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">时间加权

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">    主通道               

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">    次通道               

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">F(<*n style="font-family:宋体">快<*n style="font-family:Times New Roman">)<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">S(<*n style="font-family:宋体">慢<*n style="font-family:Times New Roman">)<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">10ms

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">F(<*n style="font-family:宋体">快<*n style="font-family:Times New Roman">)<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">S(<*n style="font-family:宋体">慢<*n style="font-family:Times New Roman">)<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">10ms<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">I(<*n style="font-family:宋体">脉冲<*n style="font-family:Times New Roman">)

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">线性操作量程

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">全通（<*n style="font-family:Times New Roman">A-<*n style="font-family:宋体">加权）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">频谱

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman"">       

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">110 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">95 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">电平量程

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">声级计方式

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">分析仪方式

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">条形图显*围值为<*n style="font-family:Times New Roman">100 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">20<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">130 dB  20<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">120 dB  20<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">110 dB   20<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">100 dB   20<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">90 dB    20<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">80 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">条形图显*围值为<*n style="font-family:Times New Roman">90 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">40<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">130 dB    30<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">120 dB    20<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">110 dB      10<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">100 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">0<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">90 dB      -10<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">80 dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">采样周期

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">Leq<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">L_{<*n style="font-size:10.5000pt"><*n style="font-family:宋体">E}<*n style="font-size:10.5000pt"><*n style="font-family:宋体">，<*n style="font-family:Times New Roman">Lmax<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">Lmin<*n style="font-family:宋体">， <*n style="font-family:Times New Roman">Lpeak<*n style="font-family:宋体">，

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">L_{<*n style="font-size:10.5000pt"><*n style="font-family:宋体">N}

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">15.6 <*n style="font-size:10.5000pt"><*n style="font-family:Symbol">m<*n style="font-size:10.5000pt"><*n style="font-family:宋体">s(<*n style="font-family:宋体">同时进行<*n style="font-family:Times New Roman">1<*n style="font-family:宋体">倍频程分析和<*n style="font-family:Times New Roman">1/3<*n style="font-family:宋体">倍频程分析：<*n style="font-family:Times New Roman">20.8 <*n style="font-size:10.5000pt"><*n style="font-family:Symbol">m<*n style="font-size:10.5000pt"><*n style="font-family:宋体">s)

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">100ms

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">修正功能

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">风挡修正功能

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman"">            

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">扩散声场修正功能           

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">当安装风挡时，频率响应修正确保安装的风挡与标准（<*n style="font-family:Times New Roman">IEC 61672-1<*n style="font-family:宋体">）相适应。通过菜单作此修正启用<*n style="font-family:Times New Roman">/<*n style="font-family:宋体">断开的设置。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">频率响应修正确保扩散声场修正与标准（<*n style="font-family:Times New Roman">ANSI S1.4<*n style="font-family:宋体">）相适应。通过菜单作此修正启用<*n style="font-family:Times New Roman">/<*n style="font-family:宋体">断开的设置

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">显示器        

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">    更新频率

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">反光式半透明<*n style="font-family:Times New Roman">TFT LCD<*n style="font-family:宋体">显示器（<*n style="font-family:Times New Roman">240<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">´<*n style="font-size:10.5000pt"><*n style="font-family:宋体">320<*n style="font-family:宋体">点）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">100ms

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">触发器功能

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">电平触发器<*n style="font-family:Times New Roman">1

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman"">           

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">电平触发器<*n style="font-family:Times New Roman">2            

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">外部触发器  

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">时间触发器           

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">控制测量和存储器保存的开始。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">触发器电平（步长为<*n style="font-family:Times New Roman">1 dB<*n style="font-family:宋体">）作为开始测量的阈值；在预定时间消逝后，测量结束。能设置斜率为<*n style="font-family:Times New Roman">+/-<*n style="font-family:宋体">。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">当超过触发器电平时进行单个测量。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">当探测到外部触发器连接端头的逻辑电平中有故障信号时启用。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">设置测量开始<*n style="font-family:Times New Roman">/<*n style="font-family:宋体">停止时间和触发发生间隔。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">功能      

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">设置范围

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">设置在按下开始<*n style="font-family:Times New Roman">/<*n style="font-family:宋体">停止键和实际测量或者触发器监控测量开始两者之间的延迟间隔。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">0<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">10<*n style="font-family:宋体">秒，步长为<*n style="font-family:Times New Roman">1<*n style="font-family:宋体">秒。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">反向删除前<*n style="font-family:Times New Roman">5<*n style="font-family:宋体">秒数据的功能             

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">当用中止<*n style="font-family:Times New Roman">/<*n style="font-family:宋体">继续键中止测量时，从计算中删除掉在按下此键前<*n style="font-family:Times New Roman">5<*n style="font-family:宋体">秒的数据。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">保存

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman"">              

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">以人工保存方式或者自动保存方式保存声级测量值和处理值。数据能保存在内存或者<*n style="font-family:Times New Roman">CF<*n style="font-family:宋体">卡上。内存为一个存储块，能为此选择人工保存方式、自动<*n style="font-family:Times New Roman">1<*n style="font-family:宋体">保存方式或者自动<*n style="font-family:Times New Roman">2<*n style="font-family:宋体">保存方式。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">人工保存

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman"">                 

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">数据保存能力

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">    内存           

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">        CF<*n style="font-family:宋体">卡          

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">以单一地址增量方式人工地保存有关所选测量结果的数据和测量开始时间。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">多保存<*n style="font-family:Times New Roman">1000<*n style="font-family:宋体">个数据集

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">每个保存名多能保存<*n style="font-family:Times New Roman">1000<*n style="font-family:宋体">数据集。<*n style="font-family:Times New Roman">CF<*n style="font-family:宋体">卡能存储<*n style="font-family:Times New Roman">100<*n style="font-family:宋体">个保存文件。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">自动保存        

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman"">    

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">自动<*n style="font-family:Times New Roman">1

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">        测量时间

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman"">           

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">声级计方式

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">            采样周期：       

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">            当采用内存时    分析仪方式：       

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">主通道：

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">            次通道

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">采样周期：           

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">当采用内存时

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">以预定间隔时间自动地保存测量结果。有多达<*n style="font-family:Times New Roman">4<*n style="font-family:宋体">个标志被添加到数据上以鉴别在记录期间发生的特定事件。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">多为<*n style="font-family:Times New Roman">1000<*n style="font-family:宋体">小时（使用<*n style="font-family:Times New Roman">CF<*n style="font-family:宋体">卡。当使用内存时，参见下面说明。）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">每隔<*n style="font-family:Times New Roman">100 <*n style="font-family:宋体">毫秒把<*n style="font-family:Times New Roman">Lp<*n style="font-family:宋体">、<*n style="font-family:Times New Roman">Leq<*n style="font-family:宋体">、<*n style="font-family:Times New Roman">Lmax<*n style="font-family:宋体">和<*n style="font-family:Times New Roman">Lmin<*n style="font-family:宋体">作为一组连续地保存到<*n style="font-family:Times New Roman">CF<*n style="font-family:宋体">卡上。但不能保存次通道测量结果。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">只有<*n style="font-family:Times New Roman">100 <*n style="font-family:宋体">毫秒（<*n style="font-family:Times New Roman">Lp<*n style="font-family:宋体">、<*n style="font-family:Times New Roman">Leq<*n style="font-family:宋体">、<*n style="font-family:Times New Roman">Lmax<*n style="font-family:宋体">和<*n style="font-family:Times New Roman">Lmin<*n style="font-family:宋体">）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">多为<*n style="font-family:Times New Roman">3<*n style="font-family:宋体">小时

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">把每个频带和全通值的声压电平（<*n style="font-family:Times New Roman">Lp<*n style="font-family:宋体">）值连续地保存到<*n style="font-family:Times New Roman">CF<*n style="font-family:宋体">卡上。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">全通值和频带电平值

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">只是全通值

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">1ms(<*n style="font-family:宋体">毫秒<*n style="font-family:Times New Roman">)<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">1sec(<*n style="font-family:宋体">秒<*n style="font-family:Times New Roman">)<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">L_{<*n style="font-size:10.5000pt"><*n style="font-family:宋体">eq,1s}   

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">多为<*n style="font-family:Times New Roman">10000<*n style="font-family:宋体">个数据（对于<*n style="font-family:Times New Roman">1sec(<*n style="font-family:宋体">秒<*n style="font-family:Times New Roman">)<*n style="font-family:宋体">，或者对于<*n style="font-family:Times New Roman">L_{<*n style="font-size:10.5000pt"><*n style="font-family:宋体">eq,1s}<*n style="font-size:10.5000pt"><*n style="font-family:宋体">为<*n style="font-family:Times New Roman">2.7<*n style="font-family:宋体">小时。）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">自动<*n style="font-family:Times New Roman">2

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">声级计方式        

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">分析仪方式：        

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">记录数据的数目

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">根据预定的测量间隔，把主处理和附加处理的值以及测量开始时间连续地保存到<*n style="font-family:Times New Roman">CF<*n style="font-family:宋体">卡上

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">根据预定的测量间隔，把主处理的全通值和频带电平值以及测量开始时间连续地保存到<*n style="font-family:Times New Roman">CF<*n style="font-family:宋体">卡上。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">内存      多存储容量为<*n style="font-family:Times New Roman">1000<*n style="font-family:宋体">个数据集

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">CF<*n style="font-family:宋体">卡     多存储容量为<*n style="font-family:Times New Roman">300000<*n style="font-family:宋体">个数据集

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">数据检索调用                   

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">允许观察检索在内存和<*n style="font-family:Times New Roman">CF<*n style="font-family:宋体">卡上保存的数据和时间<*n style="font-family:Times New Roman">/<*n style="font-family:宋体">电平显示（只有所选频带<*n style="font-family:Times New Roman">1<*n style="font-family:宋体">）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">设置文件存储                   

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">多达<*n style="font-family:Times New Roman">5<*n style="font-family:宋体">个设置文件能保存在内存以便今后检索调用。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">可以自动地根据<*n style="font-family:Times New Roman">CF<*n style="font-family:宋体">卡上预先保存的设置文件加载设置。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">输入和输出

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">AC<*n style="font-family:宋体">输出

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">输出电压

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">输出阻

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">负载阻

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">DC<*n style="font-family:宋体">输出

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">输出电压

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">输出阻

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">负载阻

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">比较器输出

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">应用电压        

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">驱动电流

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">外部触发器输入

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">USB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">遥控传感器接收

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman"">                    

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">能选择和输出主通道或者次通道的全通信号

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">在量程全标度点为<*n style="font-family:Times New Roman">1V<*n style="font-family:宋体">（有效值）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">600<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">W

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">10k<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">W<*n style="font-size:10.5000pt"><*n style="font-family:宋体"> 或者以上

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">能选择和输出主通道或者次通道的全通信号。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">在量程全标度点为<*n style="font-family:Times New Roman">3V, 25mV/dB

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">50<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">W

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">10k<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">W<*n style="font-size:10.5000pt"><*n style="font-family:宋体"> 或者以上

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">开式集电输出，也可以确定频带电平。其连接插孔与外部触发器输入共享（由菜择其功能）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">24V

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">50mA

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">0<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">5V<*n style="font-family:宋体">逻辑电平信号的检测下降边触发器。其连接插孔与比较器输入共享（由菜择其功能）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">可以作为存储器件与计算机相连接，或用作为按通信指令控制仪表的通信器件。（然而不能用通信指令作与传递保存数据和存储操作相关的设置）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">允许用红外遥控器<*n style="font-family:Times New Roman">NA-27RC1<*n style="font-family:宋体">（任选项）操作仪表。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">电源要求

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">四节<*n style="font-family:Times New Roman">C<*n style="font-family:宋体">尺寸<*n style="font-family:Times New Roman">IECP<*n style="font-family:宋体">电池组或者外部电源

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">电池组使用寿命（<*n style="font-family:Times New Roman">23<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">°<*n style="font-size:10.5000pt"><*n style="font-family:宋体">C<*n style="font-family:宋体">，一般操作使用条件下）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">锰电池组

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">碱性电池组

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">AC<*n style="font-family:宋体">适配器       

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">当执行如下功能时：次通道，反光灯，<*n style="font-family:Times New Roman">AC<*n style="font-family:宋体">输出，<*n style="font-family:Times New Roman">DC<*n style="font-family:宋体">输出，<*n style="font-family:Times New Roman">USB<*n style="font-family:宋体">功能，遥控和自动保存。

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">PU<*n style="font-family:宋体">：<*n style="font-family:Times New Roman">6<*n style="font-family:宋体">小时1<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:Times New Roman">4<*n style="font-family:宋体">小时（连续地使用反光灯时为<*n style="font-family:Times New Roman">10<*n style="font-family:宋体">小时）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">NC-94A

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">工作环境条件

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">-10<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">+50<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">°<*n style="font-size:10.5000pt"><*n style="font-family:宋体">C<*n style="font-family:宋体">，<*n style="font-family:Times New Roman">10<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">~<*n style="font-size:10.5000pt"><*n style="font-family:宋体">90%RH<*n style="font-family:宋体">（相对湿度）

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">尺寸

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">330<*n style="font-family:宋体">（<*n style="font-family:Times New Roman">H<*n style="font-family:宋体">）<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">´<*n style="font-size:10.5000pt"><*n style="font-family:宋体">88<*n style="font-family:宋体">（<*n style="font-family:Times New Roman">W<*n style="font-family:宋体">）<*n style="font-size:10.5000pt"><*n style="font-family:Symbol">´<*n style="font-size:10.5000pt"><*n style="font-family:宋体"> 50<*n style="font-family:宋体">（<*n style="font-family:Times New Roman">D<*n style="font-family:宋体">）<*n style="font-family:Times New Roman">mm

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">重量

<*n style="font-size:10.5pt"><*n style="font-family:"Times New Roman""><*n style="font-size:10.5000pt"><*n style="font-family:宋体">大约为<*n style="font-family:Times New Roman">770g<*n style="font-family:宋体">（备有电池组）