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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong>仪器简介：</strong></p><p>屋顶燃烧测试系统是在模拟真实条件下来评估屋顶及组件的耐火性能的仪器，在A1.82m、B 2.4m和C 3.9m情况下评定试样的等级A~C级。同时可应用于光伏电池组件阻燃性能测试使用、�/p><p><strong>技术参数：</strong></p><p>ASTM E 108 屋顶覆盖材料的防火测试；</p><p>UL790 屋顶覆盖材料的防火测试；</p><p>NFPA 256 屋顶覆盖层的防火测试：�/p><p>IEC 61730-2 光伏电池组件 附录A 防火测试 火焰传播、�/p><p><strong>主要特点９�/strong></p><p>1）胶合板屋顶覆盖材料，尺寸为�?�?00(W) �� 1�?00(D) �� 120(H)，用于安装测试样�?/p><p>2）非燃性测试板，安装在测试板的末端，能阻挡测试板下面回火的产生</p><p>3）不锈钢扇形调节板，测试角度可调整，尺寸为：1�?40(L) x 940(H) mm</p><p>4）主框架用于支撑测试支架，耐腐蚀钢结构，尺寸为：1�?20(L) x 1�?00(D) x 1�?73(H) mm</p><p>5）不燃板组件，安装在框架前端，模拟屋檐和檐口，将火焰从燃烧器延展至试样，尺寸为： 330(W) x 2�?30(D) x 584(H) mm</p><p>6）测试台面板空气流动速率为：19��8 km/h(5.5m/sec)，并配置风速计监测</p><p>7) 独立的抽风管道，可从实验室外部抽取空氓�/p><p>8) 风道中安装有蜂巢式滤网，气体入风口安装导向叶</p><p>9) 风道中可调节的紊流片，能加强风速，减少紊流，不锈钢制，不会随风压的变化而改变位�?/p><p>10) 风道材料为不锈钢制，防腐蚀并耐高温，尺寸为：2�?30(W) x 762(H) x 3�?00(L) mm</p><p>11) 风机�?20V�?0HZ，三相电，配备反向系统能自动调节风速，*小流量为300m3/min</p><p>12) 反向器具备无极变速功能，可在0-100%间调节功胼�/p><p>13) 气体燃烧器（用于间歇施火、火焰传播和飞火试验），1.12m长，直径60.3mm，在朝着测试板的一边有一�?2.7mm�?.91m长的狭缝</p><p>14) 气体燃烧器可提供22�?00Btu/min(387kWh)，并可根据A、B、C三种燃烧等级，自动调节气体流逞�/p><p>15) 自动点火系统，保证测试的安全性能，点火电�?小高压为1.8kVp质量流量计根据不同标准，控制气体流速，Class A & B : 21�?00 ~ 22�?00 Btu/min(369 ~ 387 kWh) 10 分钟，Class C : 18�?00 ~ 19�?00 Btu/min(316 ~ 334 kWh) 4 分钟</p><p>16) 数据采集系统，采用LabView 程序语言编写，数据采集板卡为美国NI公司提供</p><p>17) 数据采集系统包含以下部分９�/p><p>1. 16 位热电偶输入模块</p><p>2. 16 位模数转化输入模坖�/p><p>3. 数据输入输出模块</p><p>4. 12 位模数转化输出模坖�/p><p>5. 4�?槽背松�/p><p>6. Labview 时时模块</p><p>7. Labview 时时/以太网络模块</p><p>18� 电脑系统</p><p>19� Brand 测试系统，提供气体燃烧器，其火焰可吞没燃烧物料，气体燃烧器温度可调节�?80��10ℂ�/p><p>20� 金属网栅可支撑物料，托盘为可旋转式，以便于充分燃烧物斘�/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"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="315420" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">