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[讨论]热电偶测温有哪几种接法?分别适用于什么情况

2008-8-13 22:21

<p>&nbsp; </p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测温有哪几种接法?分别适用于什么情况</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测温的基本原理是两种不同成份的均质导体组成闭合回路</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"> , </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">当两端存在温度梯度时</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"> , </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">回路中就会有电流通过</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">此时两端之间就存在</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"> Seebeck </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电动势——热电动势</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">这就是所谓的塞贝克效应。在</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测温时</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">可接入测量仪表</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测得热电动势后</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">即可知道被测介质的温度。</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">用电阻接地给</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">提供偏置回路</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">与在</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测温点接地的作用是不完全一样的</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">.</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">在测温点接地</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">, <a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">及线上产生的共模信号可在仪放输入端得到抵消</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">MAX6675</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">将</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测温应用时复杂的线性化、冷端补偿及数字化输出等问题集中在一个芯片上解决</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">简化了将</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测温方案应用于嵌入式系统领域时复杂的软硬件设计</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">因而该器件是将</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测温方案应用于嵌入式系统领域的理想选择。</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">放大电路</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">热敏二极管测温接口电路对于标准</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电阻</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测量</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">同一个模块最多有两路测温通道</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">;</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">对于标准</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测量</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">如果用统一的冷端补偿</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">最多可以有</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">4</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">路测温通道。</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">应尽可能采用热电极较细、保护管直径较小的</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。测量滞后越大</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">, <a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">波动的振幅就越小</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">与实际炉温的差别也就越大。</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">当用时间常数大的</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测温或控温时</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">仪表显示的温度虽然波动很小</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">但实际炉温的波动可能很大。</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">直接测温叫工作端</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">接线端子叫冷端</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,.</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">装配</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电阻</span></span></a> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">铠装</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电阻</span></span></a> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">防爆</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电阻</span></span></a> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">防腐热电阻</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">端面热电阻</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">装配</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">铠装</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">多点</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">快速热电偶</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">/</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">测温枪</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">炉管刀刃热电偶</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">压簧固定热电偶</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">高温贵金属热电偶</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电站专用热电阻</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">.</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一体化热电偶</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">气轮机中压缸测温热电偶</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">注塑机用热电偶</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">出口垫片式热电偶</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">烟道测温</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a>, <a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">用补偿导线</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">防爆</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">利用间隙隔爆原理</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">当腔内发生爆炸时</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">能通过接合面间隙熄火和冷却</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">针式</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a> WRNM-206 </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">产品全不锈钢制作</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"> K</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">型</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">温度范围</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">0-800</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">度</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">产品头端是尖状</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">可直接插入橡胶制品快速测温</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">特制</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a> WRNK <a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">是直角弯曲</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">温度精确。</span><span style="COLOR: black; mso-bidi-font-size: 10.5pt"> <span lang="EN-US"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a></span></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">线</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"> WR </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">温度线是铁氟龙外层保护</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">线径</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">*1 </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">范围测温</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">-50-200</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">度广泛应用于石油化工、冶炼玻璃及陶瓷工业测温</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">. </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">炉顶</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a> WRE WRNS</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">型、</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">R</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">型、</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">B</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">型铂铑</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a>,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">质量可靠</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">检测有保障</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">铂铑是一种传统的测温元件</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">具有热电性能稳定、抗氧化性强</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt">,</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">适宜在氧化性、惰性气氛中连续使用。</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><o:p>&nbsp;</o:p></span></p>
<p class="MsoNormal"><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">来源:</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电阻</span></span></a> <a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">热电偶</span></span></a><span style="mso-spacerun: yes">&nbsp; </span><a href="http://www.bjzyhs.com/"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">温度传感器</span></span><span lang="EN-US" style="COLOR: black"><span lang="EN-US"> </span></span></a><a href="http://www.bjzyhs.com/sjswdj.asp"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">双金属温<span lang="EN-US">度计</span></span></span></a><span style="mso-spacerun: yes">&nbsp; </span><a href="http://www.bjzyhs.com/jlkb.asp"><span lang="EN-US" style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">节流孔板</span></span></a> </span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">专业服务网、</span><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="COLOR: black; mso-bidi-font-size: 10.5pt"><o:p>&nbsp;</o:p></span></p>
[此贴子已经被作者于2008-8-13 22:22:07编辑过]

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