<p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: small;"><span quot;font-family: 宋体;">一、概述</span></span></strong></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-family: 宋体;"><span quot;font-size: small;">本仪器主要测试薄的热导体、固体电绝缘材料、铝基板、导热硅胶、橡胶、导热树脂、氧化铍瓷、氧化铝瓷等材料的导热系数。</span></span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-size: small;"><span quot;font-family: 宋体;">仪器参考标准：</span><span lang="EN-US">MIL-I-49456A</span><span quot;font-family: 宋体;">（绝缘片材、导热树脂、热导玻纤增强）；</span><span lang="EN-US">GB 5598-85</span><span quot;font-family: 宋体;">（氧化铍瓷导热系数测定方法）；</span><span lang="EN-US">ASTM D5470-2005</span><span quot;font-family: 宋体;">（薄的热导性固体电绝缘材料传热性能的测试标准）等。</span></span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-family: 宋体;"><span quot;font-size: small;">广泛应用在大中院校，科研单位，质检部门和生产厂的材料分析检验。</span></span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: small;"><span quot;font-family: 宋体;">二、主要参数</span></span></strong></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-size: small;"><span lang="EN-US">1</span><span quot;font-family: 宋体;">、试样大小：Φ</span><span lang="EN-US">30mm</span><span quot;font-family: 宋体;">；</span><span lang="EN-US"><span quot;mso-spacerun: yes;">  </span></span></span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-size: small;"><span lang="EN-US">2</span><span quot;font-family: 宋体;">、试样厚度：</span><span lang="EN-US">0.02-10mm</span><span quot;font-family: 宋体;">；</span></span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-size: small;"><span lang="EN-US">3</span><span quot;font-family: 宋体;">、温度范围：室温</span><span lang="EN-US">-100</span><span quot;font-family: 宋体;">℃，或室温至</span><span lang="EN-US">300</span><span quot;font-family: 宋体;">℃；</span></span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-size: small;"><span lang="EN-US">3</span><span quot;font-family: 宋体;">、带真空系统，保证测试环境不受外界影响，真空度：－</span><span lang="EN-US">0.09Mpa</span><span quot;font-family: 宋体;">；</span></span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-size: small;"><span lang="EN-US">4</span><span quot;font-family: 宋体;">、连接上位机实现计算机自动测试，并实现数据打印输出。</span></span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-size: small;"><span lang="EN-US">5</span><span quot;font-family: 宋体;">、电源：</span><span lang="EN-US">220V/50HZ<span quot;mso-spacerun: yes;">   </span></span></span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-size: small;"><span lang="EN-US">6</span><span quot;font-family: 宋体;">、测试范围：</span><span lang="EN-US">0.015</span><span quot;font-family: 宋体;">～</span><span lang="EN-US">45W/m</span><span quot;font-family: 宋体;">·</span><span lang="EN-US">k<span quot;mso-spacerun: yes;">    </span></span></span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><span quot;font-size: small;"><span lang="EN-US">7</span><span quot;font-family: 宋体;">、测试精度：优于</span><span lang="EN-US">3</span><span quot;font-family: 宋体;">％</span></span></p>