电线电缆耐火性能测试�?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><strong><span>一�?/span></strong><strong><span>电线电缆耐火试验装置</span><span>简今�/span></strong><strong><span>９�/span></strong></p><p><span>电线电缆耐火试验装置，是用来检测配线或电网用电缆的耐火性，在不低于</span>750ℂ�span>咋�/span><span>950</span><span>℃的火焰中燃烧，检测线缆保持电路完整性的测试、�/span></p><p><strong><span>二�?/span></strong><strong><span>电线电缆耐火试验装置</span><span>技术参数：</span></strong></p><p><span>1�?/span><span>全套设备应至少包括符吇�/span>GB/T19216.11规定的试验设备、综合测量装置等、�/span></p><p><span>2�?/span><span>试验设备包括试验装置、燃气控制装置、连续性检查装置以及数据采集系统、�/span></p><p><span>3�?/span><span>试样支撑装置，需使得电缆或光缆试样的护套或被保护的端部乘水平地托住，试样的一端用固定夹夹住以防移动，另一端支撑试样，电缆或光缆的中部用两个相跜�/span>300mm的金属环支撑，金属环和支撑装置的其他金属部分良好接地，金属环内径约为150mm，应用直�?0��2mm的圆棒制造、�/span></p><p><span>4�?/span><span>点燃源为美国</span>AGF丙烷带状燃烧器，喷嘴长度�?00mm，喷嘴标称宽度为15mm，喷嘴有三排错开的标称直径为1.32mm、中心距�?.2mm的钻孔，喷嘴每一边有一排小孔作为引导孔维持火焰燃烧，尺寸公差为��5%、�/span></p><p><span>5�?/span><span>进口质量流量控制器调节燃气及空气流量，读数精度不低于</span>1.5%、�/span></p><p><span>6�?/span><span>进口减压阀，可提供</span>0.1Mpa��3pa的出口压力、�/span></p><p><span>7�?/span><span>进口压力表，可提侚�/span>0-200kpa压力量程、�/span></p><p><span>8�?/span><span>进口</span>Omega热电偶，直径�?.5mm，用于燃烧器温度校准.</span></p><p><span>9�?/span><span>可设定燃烧测试时间，并自动切断燃气、�/span></p><p><span>10�?/span><span>标准测试软件，可显示燃烧器校准温度、丙烷流量、空气流量、�/span></p><p><span>11�?/span><span>试验适用于为额定电压</span>0.6/1.0 KV及以下电缅�/span></p><p><span>12�?/span><span>试验过程中，用做连续性检查的电流应通过电缆全部导体，该电流由一台三相星形的变压器提供，变压器具有足够容量使达到允许泄漏电流时仍可保持要求的试验电压。在试样的另一端，每根导体或每组导体连接指示装置（</span>LED指示灯）使形成电流，通过该数据可以在电脑软件中获取、�/span></p><p><span>13�?/span><span>电压设置可以电脑输入值，自动设置电压值。也可以通过面板按钮对电压微调、�/span></p><p><span>14�?/span><span>测试回路电流保护采用熔断器，符合</span>GB 13539.5 规定的D II 型。熔断器标准2A。方便更换。并采用进口微型断路器对各测试回路保护、�/span></p><p><span>15�?/span><span>测试电缆的电流和电压数据均通过二次仪表，数字化显示，测试电流精度辨玆�/span>0.001A，实际使用电流为0.25A�?*测试电流、�/span></p><p><span>16�?/span><span>所有电流及电压的实时测量数据经过电脑采集，并生成电流和电压曲线，显示各根电缆在受火状态下的电流和电压随时间的变化曲线，做出耐火性能的判定。更可以对电缆随受火时间变化的进一步分析�?终数据存入电脑数据库，并生成标准报告，方便查阅、�/span></p><p><span>17�?/span><span>测试前火焰温度的校准，进口铠装热电偶校准，校准温度经过电脑至尐�/span>10min采集，在电脑选着供火模式。电脑根据供火模式，根据采集温度进行稳态取样和差值计算，给出校验报告。保存报告，存入数据库，保证校验的可靠性和权威性、�/span></p><p><span>18�?/span><span>测试过程中燃气和辅助空气均采用质量流量控制器，并经过文丘里混合，电脑自动控制流量阀，并把数据实时记录存入数据库，电脑自动合理控制燃气和辅助空气配比，使燃烧充分，产生稳定火焰，稳定火焰温度、�/span></p><p><span>19�?/span><span>回路正常通电时各回路采用进口指示灯显示，在火焰条件下线路出现不完整时，对应回路的指示灯熄灭，电脑自动判定此时状态，控制声光报警器报警、�/span></p><p><span>20�?/span><span>软件要求：测试实验室信息和测试条件，线缆规格等信息均可以在测试前输入电脑＋�/span></p><p><span>21�?/span><span>可以选着测试标准和设�?*测试时间，可对电压值，电流可靠范围等参数设置，界面清晰易懂，操作方便、�/span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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