AWA6290Z型驻波管吸声系数测试�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p> AWA6290Z型驻波管吸声系数测试仪用于测定垂直入射条件下吸声材料的吸声系数。测试仪由驻波管、传声器、测试主机、显示器、键盘鼠标等组成。测试仪软件根据测量到的峰声级值和谷声级值自动计算出吸声系数，并能生成吸声系数与频率的坐标曲线。仪器输出信号的频率和幅度在规定范围内可自由设定。由于只需少量的吸声材料作试件，所以对于吸声材料的参数研究和设计特别适合、�/p><p>1、执行《GB/T 18696.1-2004 （ISO 10534-1:1996）声� 阻抗管中吸声系数和声阻抗的测� �?部分：驻波比法》等标准</p><p>2、传声器：AWA14423型预极化1/2”自由场型测试电容传声器</p><p>3、测量频率范围：低频�?#1060;96x1000 (mm)适用于吸声材�?0 Hz�?800 Hz频率的吸声系数测量，高频�?#1060;30x350(mm) 适用于吸声材�?500 Hz�?500 Hz频率的吸声系数测野�/p><p>4、测量上限：135 dB(Z)</p><p>5、本底噪声：<35 dB(Z)</p><p>6、分辨率 0.1 dB</p><p>7、滤波器性能：满足GB/T 3241 1/3OCT 1级滤波器要求</p><p>8、音箱功率：10 W 阻抗�? ��</p><p>9、数据存储：可以导出EXCEL格式的测量数据和JPG格式的吸声系数频谱图</p><p>10、电源：220 V/50 Hz交流市电</p><p><span>AWA6290Z型驻波管吸声系数测试� <span>AWA6290Z型驻波管吸声系数测试�?/span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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