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            <span><img src="/skins/158899/images/date01.png" />更新时间：2018-03-22</span><span><img src="/skins/158899/images/hit.png" />点击次数：11144</span>
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            <h1 style="text-align:center"><span style="color:#000000">新款爱华AWA6228+多功能声级计操作说明书</span></h1><h1>1 <span style="font-family:黑体">概述</span></h1><p>&nbsp; &nbsp;AWA6228<sup>+</sup><span style="font-family:宋体">多功能声级计安装了</span>1/1 OCT<span style="font-family:宋体">分析软件后可以对噪声进行频谱分析。本章介绍了</span>1/1 OCT<span style="font-family:宋体">分析软件的主要性能及使用方法。</span></p><h1>2 <span style="font-family:黑体">主要性能指标</span></h1><p>2.1<span style="font-family:宋体">主要功能：</span>1/1<span style="font-family:宋体">倍频程频谱分析、积分测量</span></p><p>2.2<span style="font-family:宋体">频率计权：并行</span>A <span style="font-family:宋体">、</span>C<span style="font-family:宋体">、</span>Z</p><p>2.3<span style="font-family:宋体">时间计权：并行</span>F<span style="font-family:宋体">、</span>S<span style="font-family:宋体">，低频</span>125Hz<span style="font-family:宋体">以下建议用</span>S<span style="font-family:宋体">计权</span></p><p>2.4<span style="font-family:宋体">级线性范围：大于</span>90 dB<span style="font-family:宋体">，</span>1<span style="font-family:宋体">档量程</span></p><p>2.5<span style="font-family:宋体">滤波器类型：并行</span>(<span style="font-family:宋体">实时</span>)<span style="font-family:宋体">倍频程，</span>G=10<sup>3/10</sup></p><p>2.6<span style="font-family:宋体">滤波器中心频率：</span>16 Hz<span style="font-family:宋体">、</span>31.5 Hz<span style="font-family:宋体">、</span>63 Hz<span style="font-family:宋体">、</span>125 Hz<span style="font-family:宋体">、</span>250Hz<span style="font-family:宋体">、</span>500Hz<span style="font-family:宋体">、</span>1kHz<span style="font-family:宋体">、</span>2kHz<span style="font-family:宋体">、</span>4kHz<span style="font-family:宋体">、</span>8kHz<span style="font-family:宋体">、</span>16 kHz</p><p>2.7<span style="font-family:宋体">主要测量指标：频带瞬时声压级</span>(L<sub>p</sub>)<span style="font-family:宋体">、频带zui大声压级</span>(Max)<span style="font-family:宋体">、频带zui小声压级</span>(Min)<span style="font-family:宋体">、频带等效连续声压级</span>(L<sub>eq,</sub>T)<span style="font-family:宋体">、噪声评价数</span>NR<span style="font-family:宋体">﹑噪声评价数</span>NC<span style="font-family:宋体">。</span></p><p>2.8<span style="font-family:宋体">实时分析：同时完成各中心频率、</span>SPL<span style="font-family:宋体">（</span>A<span style="font-family:宋体">）、</span>SPL<span style="font-family:宋体">（</span>C<span style="font-family:宋体">）和</span>SPL<span style="font-family:宋体">（</span>Z<span style="font-family:宋体">）</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family:宋体">的计算</span></p><p>2.9<span style="font-family:宋体">积分时间：</span>1s<span style="font-family:宋体">到</span>99h59m59s<span style="font-family:宋体">任意设置</span></p><p>2.10<span style="font-family:宋体">符合标准：</span></p><p>&nbsp;&nbsp; IEC 61672:2013 Class 1<span style="font-family:宋体">，</span>GB/T 3785-2010 1<span style="font-family:宋体">级</span></p><p>&nbsp;&nbsp; IEC 61260:2014 Class 1<span style="font-family:宋体">，</span>GB/T 3241-2010 1<span style="font-family:宋体">级</span></p><p>2.11<span style="font-family:宋体">数据存贮：zui多</span>3328<span style="font-family:宋体">组</span></p><p>2.12<span style="font-family:宋体">测量界面：</span></p><p>&nbsp;&nbsp;&nbsp; <span style="font-family:宋体">列表界面、图形界面、醒目界面和室内界面</span></p><p>2.13<span style="font-family:宋体">显示分辨率：</span>0.1 dB<span style="font-family:宋体">，醒目下</span>0.01 dB</p><h1>3 <span style="font-family:黑体">软件使用</span></h1><p>&nbsp;&nbsp;&nbsp; <span style="font-family:宋体">将</span>LR6<span style="font-family:宋体">（</span>AA<span style="font-family:宋体">）电池装入电池盒或接入外接</span>5V<span style="font-family:宋体">电源，按&ldquo;复位/开机&rdquo;</span><span style="font-family:宋体">键</span>2<span style="font-family:宋体">秒以上后放开，仪器进入开机界面，接着进入主菜单。</span></p><p>&nbsp;&nbsp;<span style="font-family:宋体">主菜单有噪声测量、仪器设置、数据调阅、仪器校准</span>4<span style="font-family:宋体">个子菜单，下方是存储空间的状态条，黄色为已使用。按&ldquo;删除&rdquo;</span><span style="font-family:宋体">键，系统参数恢复到缺省值。按&larr;</span><span style="font-family:宋体">或&rarr;键</span><span style="font-family:宋体">可以使光标左右移动，按&ldquo;返回&rdquo;</span><span style="font-family:宋体">键可以进入相应的子菜单。</span></p><p><span style="color:black"><span style="font-family:宋体">光标移到&ldquo;噪声测量&rdquo;上，按&ldquo;返回&rdquo;</span></span><span style="color:black"><span style="font-family:宋体">键进入噪声测量界面。</span></span>1/1OCT<span style="font-family:宋体">分析界面下有列表、醒目、图形和室内</span>4<span style="font-family:宋体">种显示界面。</span></p><h2>3.1 1/1 OCT<span style="font-family:黑体">列表界面</span></h2><p style="text-align:center"><img alt="" src="http://img52.chem17.com/9/20160527/635999347723162646258.png" style="height:509px; width:625px" /></p><p><span style="font-family:黑体">图</span>3-1 <span style="font-family:黑体">列表界面</span></p><p>&nbsp;&nbsp;&nbsp; NR=50(dB)<span style="font-family:宋体">表示当前</span>NR<span style="font-family:宋体">值（噪声评价数）为</span>50dB<span style="font-family:宋体">，中间黑色背景下为</span>11<span style="font-family:宋体">个中心频率及</span>A<span style="font-family:宋体">、</span>C<span style="font-family:宋体">、</span>Z<span style="font-family:宋体">频率计权声压级，右侧对应的数据为其在当前频率计权和时间计权下的</span>Lp<span style="font-family:宋体">、</span>Max<span style="font-family:宋体">、</span>Min<span style="font-family:宋体">和</span>Leq,T<span style="font-family:宋体">值；测量结果每</span>0.5<span style="font-family:宋体">秒刷新一次，并随着环境噪声的变化不断变化。未进行积分测量时，&ldquo;</span>Lmax<span style="font-family:宋体">&rdquo;、&ldquo;</span>Lmin<span style="font-family:宋体">&rdquo;、&ldquo;</span>Leq,T<span style="font-family:宋体">&rdquo;值为&ldquo;</span>---.-<span style="font-family:宋体">&rdquo;。</span></p><p>&nbsp; <span style="font-family:宋体">光标移到&ldquo;</span>Respond:<span style="font-family:宋体">&rdquo;上，按△</span><span style="font-family:宋体">或▽</span><span style="font-family:宋体">键，时间计权由当前的</span>F<span style="font-family:宋体">档改为</span>S<span style="font-family:宋体">档。光标移到&ldquo;</span>Wei<span style="font-family:宋体">：&rdquo;上，按△</span><span style="font-family:宋体">或▽</span><span style="font-family:宋体">键，可在</span>A<span style="font-family:宋体">、</span>C<span style="font-family:宋体">、</span>Z<span style="font-family:宋体">中一种频率计权。光标移到&ldquo;</span>Ts<span style="font-family:宋体">&rdquo;上，按△</span><span style="font-family:宋体">或▽</span><span style="font-family:宋体">键可以显示&ldquo;</span>Tm<span style="font-family:宋体">&rdquo;、&ldquo;</span>Tl<span style="font-family:宋体">&rdquo;。光标在&ldquo;列表&rdquo;处，按△</span><span style="font-family:宋体">键进入图形界面，如图</span>3-2<span style="font-family:宋体">所示。</span>&nbsp;&nbsp;&nbsp;</p><h2>3.2 1/1 OCT<span style="font-family:黑体">图形界面</span></h2><p style="text-align:center">&nbsp;</p><p><span style="font-family:黑体">图</span>3-2 <span style="font-family:黑体">图形界面</span></p><p><span style="font-family:宋体">中间图形区为</span>11<span style="font-family:宋体">个中心频率及</span>A<span style="font-family:宋体">、</span>C<span style="font-family:宋体">、</span>Z<span style="font-family:宋体">频率计权声压级的频谱分布图；图形左上方的&ldquo;</span>140<span style="font-family:宋体">&rdquo;表示当前图形的显示上限为</span>140dB<span style="font-family:宋体">，光标移到此处，按</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image018.gif" style="height:15px; width:15px" /><span style="font-family:宋体">或</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image020.gif" style="height:16px; width:15px" /><span style="font-family:宋体">键可进行每间隔</span>10dB<span style="font-family:宋体">调整，zui大不超过</span>180dB<span style="font-family:宋体">，zui小高于显示下限</span>10dB<span style="font-family:宋体">，并且不能小于</span>0<span style="font-family:宋体">；图像左下方的&ldquo;</span>-20<span style="font-family:宋体">&rdquo;表示当前图形显示下限为</span>-20dB<span style="font-family:宋体">，光标移到此处，按</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image018.gif" style="height:15px; width:15px" /><span style="font-family:宋体">或</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image020.gif" style="height:16px; width:15px" /><span style="font-family:宋体">键可进行每间隔</span>10dB<span style="font-family:宋体">调整，zui高不大于显示上限以下</span>10dB<span style="font-family:宋体">。</span></p><p><span style="font-family:宋体">光标移到&ldquo;</span>ALL-f0<span style="font-family:宋体">&rdquo;处，按</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image018.gif" style="height:15px; width:15px" /><span style="font-family:宋体">或</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image020.gif" style="height:16px; width:15px" /><span style="font-family:宋体">键可切换至</span>Lmax-f0<span style="font-family:宋体">、</span>Lmin-f0<span style="font-family:宋体">、</span>LeqT-f0<span style="font-family:宋体">或</span>ALL-f0<span style="font-family:宋体">的图形界面，</span>ALL<span style="font-family:宋体">表示</span>4<span style="font-family:宋体">个指标同时显示。各指标的图形颜色可调，与&ldquo;</span>Lp&nbsp; Max&nbsp; Min&nbsp; LeqT<span style="font-family:宋体">&rdquo;的颜色保持一致。光标可以在&ldquo;</span>Lp&nbsp; Max&nbsp; Min&nbsp; LeqT<span style="font-family:宋体">&rdquo;上移动，选择一项按</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image018.gif" style="height:15px; width:15px" /><span style="font-family:宋体">或</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image020.gif" style="height:16px; width:15px" /><span style="font-family:宋体">键即可改变当前显示的颜色。</span></p><p><span style="font-family:宋体">图形下方的&ldquo;</span>Cur@<span style="font-family:宋体">&rdquo;一行表示当前图形上光标位置对应的&ldquo;</span>Lp&nbsp; Max&nbsp; Min&nbsp; LeqT<span style="font-family:宋体">&rdquo;的测量内容。光标移到此处，按</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image021.gif" style="height:15px; width:15px" /><span style="font-family:宋体">或</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image020.gif" style="height:16px; width:15px" /><span style="font-family:宋体">键，可改变图形上光标位置（条图下的红色）。&ldquo;</span>Max@1kHz<span style="font-family:宋体">&rdquo;表示当前噪声zui大的频率点为</span>1kHz<span style="font-family:宋体">，后面为该频率点下&ldquo;</span>Lp&nbsp; Max&nbsp; Min&nbsp; LeqT<span style="font-family:宋体">&rdquo;的测量内容。</span></p><p><span style="font-family:宋体">光标在&ldquo;图形&rdquo;处，按</span><img src="file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image021.gif" style="height:15px; width:15px" /><span style="font-family:宋体">键进入醒目显示界面，如图</span>3-3<span style="font-family:宋体">所示。</span></p><h2>&nbsp;</h2> 
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