<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;">联络方式法是一种动态测量法（非稳态法）。其原理是测量沿试样长度方向埋设在试样中线形热源在一定时间内的温升。通过焊接在联络方式中点的热电偶测量联络方式温度随时间的变化。该线的温度变化即是被测材料导热系数的函数。本仪器主要测试定形隔热耐火制品，耐火陶瓷纤维毯、毡、纺织物、板等非金属材料在不同温度下的导热系数，材料为块状、胶状、颗粒状、粉状料。更换测试头可测量液态材料导热系数，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;"><span quot;font-size: small;"><span quot;font-family: 宋体;">仪器参考标准：</span><span lang="EN-US">GB/5990-86</span><span quot;font-family: 宋体;">《定形隔热耐火制品导热系数试验方法</span><span lang="EN-US">(</span><span quot;font-family: 宋体;">联络方式法</span><span lang="EN-US">)</span><span quot;font-family: 宋体;">》；</span><span lang="EN-US">GB/T10297-1998</span><span quot;font-family: 宋体;">《非金属</span> <span quot;font-family: 宋体;">固体材料导热系数的测定</span><span lang="EN-US">(</span><span quot;font-family: 宋体;">联络方式法</span><span lang="EN-US">)</span><span quot;font-family: 宋体;">》、</span><span lang="EN-US">GB/T17106-1997</span><span quot;font-family: 宋体;">《耐火材料导热系数实验方法</span> <span quot;font-family: 宋体;">平行线法》等。</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、主要技术性能</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;">、导热系数测试范围：</span><span lang="EN-US">0.015</span><span quot;font-family: 宋体;">～</span><span lang="EN-US">1.7w/m·k</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;">、准确度：</span> <span quot;font-family: 宋体;">±</span><span lang="EN-US">3%</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;">、采用交叉联络方式法或平行联络方式测试，对实验温度实现可控状态下的测试：常温测试，较高测试温度</span><span lang="EN-US">1300</span><span quot;font-family: 宋体;">℃。（可根据用户的需求选配各种温度段的测试）</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;">、试样尺寸要求：</span><span lang="EN-US"> 230</span><span quot;font-family: 宋体;">×</span><span lang="EN-US">114</span><span quot;font-family: 宋体;">×</span><span lang="EN-US">65(mm) </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;">、可连接上位机</span><span lang="EN-US">,</span><span quot;font-family: 宋体;">实现计算机自动测试、并实现数据打印输出。</span></span></p>