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href="/product/llyb/fangbaodianciliuliangji.html" title="防爆型电磁流量计" >防爆型电磁流量计</a> </div> <div class="left_leadingproducting_div1"> <a href="/product/llyb/zhinengxingfangfudianciliuliangji.html" title="智能型防腐电磁流量计" >智能型防腐电磁流量计</a> </div> <div class="left_menu_bottomdiv"> </div> <!--<div style="text-align:center; width:100%; height:49px; margin:5px 0px 5px 0px;"><a href="http://www.gozillab.com/yxwl.html" target="_blank"><img src="/template/images/left_yxwl.jpg" width="226" height="49" border="0"/></a></div>--> </td> <td valign="top" width="749" > <div class="about_content_top"> <div class="about_content_top_site">您当前的位置ï¼?a href="http://www.gozillab.com/">首页</a>   <   æµé‡ä»ªè¡¨ç³»åˆ—   <   é˜²çˆ†åž‹ç”µç£æµé‡è®¡</div> </div> <div class="content_guanjianzi"><font style="font-size:16px; font-weight:bold;">防爆型电磁流量计</font><br /><br />关键字:防爆型电磁流量计,流量è®?/div> <div class="about_contentStyle"> <p style="text-align: center"><img alt="" width="137" height="243" src="/up_files/1(208).jpg" /></p> <p style="text-align: left">HNLDB系列<span style="color: #000000"><b><a href="http://www.gozillab.com">防爆型电磁流量计</a></b></span>采用世界最新技术。利用恒流低频三值矩形波或双频矩形波励磁,既有矩形波磁场的优点,又克服了正弦波磁场的缺点;还可以消除电源电压波动、电源频率变化及励磁线圈阻抗变化所造成的误差;并有极好的零点稳定性和不受流体噪声干扰影响。从而具有高稳定性、高可靠性的特点。防爆型电磁流量计测量原理是基于法拉第电磁感应定律,防爆型电磁流量计由传感器和转换器组成,传感器安装在测量管道上,转换器可以与传感器组合连接在一起称为一体型<b>电磁流量è®?/b>,转换器被安装在离传感器30米内æˆ?00米内的场合,两者间由屏蔽电缆连接称为分离型电磁流量计ã€?span style="color: #000000"><b>防爆型电磁流量计</b></span>传感器主要组成部分是:测量管、电极、励磁线圈、铁芯与磁轭壳体ã€?span style="color: #000000"><b>防爆型电磁流量计</b></span>主要用于测量封闭管道中的导电液体和浆液中的体积流量。如水、污水、泥浆、纸浆、各种酸、碱、盐溶液、食品浆液等,防爆型电磁流量计广泛应用于石油、化工、冶金、纺织、食品、制药、造纸等行业以及环保、市政管理,水利建设等领域ã€?br />  <br /> 产品特点ï¼?br /> 1、测量不受流体密度、粘度、温度、压力和电导率变化的影响ï¼?br /> 2、测量管内无阻碍流动部件,无压损,直管段要求较低ï¼?br /> 3、系列公称通径DN15~DN3000。传感器衬里和电极材料有多种选择ï¼?br /> 4、转换器采用新颖励磁方式,功耗低、零点稳定、精确度高。流量范围度可达1500ï¼?ï¼?br /> 5、转换器可与传感器组成一体型或分离型ï¼?br /> 6、转换器采用16位高性能微处理器ï¼?x16LCD显示,参数设定方便,编程可靠ï¼?br /> 7ã€?b><span style="color: #000000"><b><a href="http://www.gozillab.com/product/llyb/">防爆型电磁流量计</a></b></span></b>为双向测量系统,内装三个积算器:正向总量、反向总量及差值总量;可显示.庄、反流量,并具有多种输出:电<br />     流、脉冲、数字通讯、HARTï¼?br /> 8、转换器采用表面安装技术SMT,具有自检和自诊断功能ï¼?br />  <br /> 主要技术数据:</p> <p style="text-align: left">整机和传感器技术数æ?/p> <p style="text-align: left">  <table border="1" cellspacing="0" cellpadding="0" width="100%"> <tbody> <tr> <td width="14%"> <p align="center"><span class="he">执行标准</span></p> </td> <td width="86%" colspan="5"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">JB</span><span class="he">ï¼?span lang="EN-US" xml:lang="EN-US">T 9248—1999</span></span></p> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">公称通径</span></p> </td> <td width="86%" colspan="5"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">15</span><span class="he">ã€?span lang="EN-US" xml:lang="EN-US">20</span>ã€?span lang="EN-US" xml:lang="EN-US">25</span>ã€?span lang="EN-US" xml:lang="EN-US">32</span>ã€?span lang="EN-US" xml:lang="EN-US">40</span>ã€?span lang="EN-US" xml:lang="EN-US">50</span>ã€?span lang="EN-US" xml:lang="EN-US">65</span>ã€?span lang="EN-US" xml:lang="EN-US">80</span>ã€?span lang="EN-US" xml:lang="EN-US">100</span>ã€?span lang="EN-US" xml:lang="EN-US">125</span>ã€?span lang="EN-US" xml:lang="EN-US">150</span>ã€?span lang="EN-US" xml:lang="EN-US">200</span>ã€?span lang="EN-US" xml:lang="EN-US">250</span>ã€?span lang="EN-US" xml:lang="EN-US">300</span>ã€?span lang="EN-US" xml:lang="EN-US">350</span>ã€?span lang="EN-US" xml:lang="EN-US">400</span>ã€?span lang="EN-US" xml:lang="EN-US">450</span>ã€?span lang="EN-US" xml:lang="EN-US">500</span>ã€?span lang="EN-US" xml:lang="EN-US">600</span>ã€?span lang="EN-US" xml:lang="EN-US">700</span>ã€?span lang="EN-US" xml:lang="EN-US">800</span>ã€?span lang="EN-US" xml:lang="EN-US">900</span>ã€?span lang="EN-US" xml:lang="EN-US">1000</span>ã€?span lang="EN-US" xml:lang="EN-US">1200</span>ã€?span lang="EN-US" xml:lang="EN-US">1400</span>ã€?span lang="EN-US" xml:lang="EN-US">1600</span>ã€?span lang="EN-US" xml:lang="EN-US">1800</span>ã€?span lang="EN-US" xml:lang="EN-US">2000</span>ã€?span lang="EN-US" xml:lang="EN-US">2200</span>ã€?span lang="EN-US" xml:lang="EN-US">2400</span>ã€?span lang="EN-US" xml:lang="EN-US">2600</span>ã€?span lang="EN-US" xml:lang="EN-US">2800</span>ã€?span lang="EN-US" xml:lang="EN-US">3000</span></span></p> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">最高流é€?/span></p> </td> <td width="86%" colspan="5"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">15m</span><span class="he">ï¼?span lang="EN-US" xml:lang="EN-US">s</span></span></p> </td> </tr> <tr> <td rowspan="2" width="14%"> <p align="center"><span class="he">精确åº?/span></p> </td> <td width="18%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">DNl5</span><span class="he">ï½?span lang="EN-US" xml:lang="EN-US">DN600</span></span></p> </td> <td width="68%" colspan="4"> <p align="center"><span class="he">示值的ï¼?span lang="EN-US" xml:lang="EN-US">±0.3</span>%流é€?span lang="EN-US" xml:lang="EN-US">≥1m</span>ï¼?span lang="EN-US" xml:lang="EN-US">s</span>ï¼?span lang="EN-US" xml:lang="EN-US">±3mm</span>ï¼?span lang="EN-US" xml:lang="EN-US">s</span>流é€?span lang="EN-US" xml:lang="EN-US"><1m</span>ï¼?span lang="EN-US" xml:lang="EN-US">s</span></span></p> </td> </tr> <tr> <td width="18%"> <p align="center"><span class="he">DN700—DN3000</span></p> </td> <td width="68%" colspan="4"> <p align="center"><span class="he">示值的<span lang="EN-US" xml:lang="EN-US">±0.5</span>%流é€?span lang="EN-US" xml:lang="EN-US">≥0.8m</span>ï¼?span lang="EN-US" xml:lang="EN-US">S</span>ï¼?span lang="EN-US" xml:lang="EN-US">±4mm</span>ï¼?span lang="EN-US" xml:lang="EN-US">s</span>流é€?span lang="EN-US" xml:lang="EN-US"><0.8m</span>ï¼?span lang="EN-US" xml:lang="EN-US">S</span></span></p> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">流体电导çŽ?/span></p> </td> <td width="86%" colspan="5"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">≥5uS</span><span class="he">ï¼?span lang="EN-US" xml:lang="EN-US">cm?</span></span></p> </td> </tr> <tr> <td rowspan="2" width="14%"> <p align="center"><span class="he">公称压力</span></p> </td> <td width="18%"> <p align="center"><span class="he">4.0MPa</span></p> </td> <td width="19%"> <p align="center"><span class="he">1.6MPa</span></p> </td> <td width="15%"> <p align="center"><span class="he">1.0MPa</span></p> </td> <td width="17%"> <p align="center"><span class="he">0.6MPa</span></p> </td> <td width="17%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">6.3</span><span class="he">ã€?span lang="EN-US" xml:lang="EN-US">10MPa</span></span></p> </td> </tr> <tr> <td width="18%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">DNl5</span><span class="he">ï½?span lang="EN-US" xml:lang="EN-US">DN150</span></span></p> </td> <td width="19%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">DNl5</span><span class="he">ï½?span lang="EN-US" xml:lang="EN-US">DN600</span></span></p> </td> <td width="15%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">DN200</span><span class="he">ï½?span lang="EN-US" xml:lang="EN-US">DN1000</span></span></p> </td> <td width="17%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">DN700</span><span class="he">ï½?span lang="EN-US" xml:lang="EN-US">DN3000</span></span></p> </td> <td width="17%"> <p align="center"><span class="he">特殊订货</span></p> </td> </tr> <tr> <td rowspan="2" width="14%"> <p align="center"><span class="he">环境温度</span></p> </td> <td width="18%"> <p align="center"><span class="he">传感å™?/span></p> </td> <td width="68%" colspan="4"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">—25â„?mdash;</span><span class="he">å?span lang="EN-US" xml:lang="EN-US">60â„?/span></span></p> </td> </tr> <tr> <td width="18%"> <p align="center"><span class="he">转换器及一体型</span></p> </td> <td width="68%" colspan="4"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">—10â„?mdash;</span><span class="he">å?span lang="EN-US" xml:lang="EN-US">60â„?/span></span></p> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">衬里材料</span></p> </td> <td width="86%" colspan="5"> <p align="center"><span class="he">聚四氟乙烯、聚氯丁橡胶、聚氨酯、聚全氟乙丙çƒ?span lang="EN-US" xml:lang="EN-US">F46</span>、加ç½?span lang="EN-US" xml:lang="EN-US">PFA</span></span></p> </td> </tr> <tr> <td rowspan="6" width="14%"> <p align="center"><span class="he">最高流体温åº?/span></p> </td> <td width="18%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">—</span><span class="he">体型</span></p> </td> <td width="68%" colspan="4"> <p align="center"><span class="he">70â„?/span></p> </td> </tr> <tr> <td rowspan="5" width="18%"> <p align="center"><span class="he">分离åž?/span></p> </td> <td width="19%"> <p align="center"><span class="he">聚氯丁橡胶衬é‡?/span></p> </td> <td width="49%" colspan="3"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">80â„?/span><span class="he">ï¼?span lang="EN-US" xml:lang="EN-US">120â„?/span>订货时注æ˜?/span></p> </td> </tr> <tr> <td width="19%"> <p align="center"><span class="he">聚氨酯衬é‡?/span></p> </td> <td width="49%" colspan="3"> <p align="center"><span class="he">80â„?/span></p> </td> </tr> <tr> <td width="19%"> <p align="center"><span class="he">聚四氟乙烯衬é‡?/span></p> </td> <td rowspan="3" width="49%" colspan="3"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">100â„?/span><span class="he">ï¼?span lang="EN-US" xml:lang="EN-US">150â„?/span>订货时注æ˜?/span></p> </td> </tr> <tr> <td width="19%"> <p align="center"><span class="he">聚全氟乙丙烯<span lang="EN-US" xml:lang="EN-US">F46</span></span></p> </td> </tr> <tr> <td width="19%"> <p align="center"><span class="he">加网<span lang="EN-US" xml:lang="EN-US">PFA</span></span></p> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">信号电极和接地电极材æ–?/span></p> </td> <td width="86%" colspan="5"> <p align="center"><span class="he">不锈é’?span lang="EN-US" xml:lang="EN-US">0Crl8Nil2M02Ti</span>、哈氏合é‡?span lang="EN-US" xml:lang="EN-US">C</span>、哈氏合é‡?span lang="EN-US" xml:lang="EN-US">B</span>、钛、钽、铂/铱合金、不锈钢涂覆碳化é’?/span></p> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">电极刮刀机构</span></p> </td> <td width="86%" colspan="5"> <p align="center"><span class="he">DN300—DN3000</span></p> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">连接法兰材料</span></p> </td> <td width="86%" colspan="5"> <p align="center"><span class="he">碳钢</span></p> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">接地法兰材料</span></p> </td> <td width="86%" colspan="5"> <p align="center"><span class="he">不锈é’?span lang="EN-US" xml:lang="EN-US">1Crl8Ni9Ti</span></span></p> </td> </tr> <tr> <td rowspan="2" width="14%"> <p align="center"><span class="he">进口保护法兰材料</span></p> </td> <td width="37%" colspan="2"> <p align="center"><span class="he">DN65—DNl50</span></p> </td> <td width="49%" colspan="3"> <p align="center"><span class="he">不锈é’?span lang="EN-US" xml:lang="EN-US">1Crl8Ni9Ti</span></span></p> </td> </tr> <tr> <td width="37%" colspan="2"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">DN200</span><span class="he">ï½?span lang="EN-US" xml:lang="EN-US">DNl600</span></span></p> </td> <td width="49%" colspan="3"> <p align="center"><span class="he">碳钢十不锈钢<span lang="EN-US" xml:lang="EN-US">1Crl8Ni9Ti</span></span></p> </td> </tr> <tr> <td rowspan="2" width="14%"> <p align="center"><span class="he">外壳防护</span></p> </td> <td width="52%" colspan="3"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">DNl5</span><span class="he">ï½?span lang="EN-US" xml:lang="EN-US">DN3000</span>分离型橡胶或聚氨酯衬里传感器</span></p> </td> <td width="34%" colspan="2"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">IP65</span><span class="he">æˆ?span lang="EN-US" xml:lang="EN-US">IP68</span></span></p> </td> </tr> <tr> <td width="52%" colspan="3"> <p align="center"><span class="he">其他传感器ã€?span lang="EN-US" xml:lang="EN-US">——</span>体型流量计和分离型转换器</span></p> </td> <td width="34%" colspan="2"> <p align="center"><span class="he">IP65</span></p> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">间距分离åž?/span></p> </td> <td width="86%" colspan="5"> <p align="center"><span class="he">转换器距离传感器一般不超过<span lang="EN-US" xml:lang="EN-US">100m</span></span></p> </td> </tr> </tbody> </table> <table cellspacing="0" cellpadding="0"> <tbody> <tr> <td valign="top" width="100%" colspan="2"> <p align="left">转换器技术数æ?/p> <table border="1" cellspacing="0" cellpadding="0" width="100%"> <tbody> <tr> <td rowspan="2" width="14%"> <p align="center"><span class="he">电源</span></p> </td> <td width="19%"> <p align="center"><span class="he">交流</span></p> </td> <td width="67%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">85—265V</span><span class="he">ï¼?span lang="EN-US" xml:lang="EN-US">45—400Hz</span></span></p> </td> </tr> <tr> <td width="19%"> <p align="center"><span class="he">直流</span></p> </td> <td width="67%"> <p align="center"><span class="he">11—40V</span></p> </td> </tr> <tr> <td rowspan="2" width="14%"> <p align="center"><span class="he">操作键和显示</span></p> </td> <td width="19%"> <p align="center"><span class="he">按键å¼?/span></p> </td> <td width="67%"> <table border="0" cellspacing="0" cellpadding="0" width="100%"> <tbody> <tr> <td width="77%"> <p align="left"><span lang="EN-US" class="he" xml:lang="EN-US">4</span><span class="he">个薄膜按键可设定选择全部参数,也可利ç”?span lang="EN-US" xml:lang="EN-US">PC</span>æœ?span lang="EN-US" xml:lang="EN-US">RS232</span>对转换器设定编程ï¼?/span></p> </td> </tr> <tr> <td width="77%"> <p align="left"><span lang="EN-US" class="he" xml:lang="EN-US">3</span><span class="he">è¡?span lang="EN-US" xml:lang="EN-US">LCD</span>宽视角、宽温、带背光显示ï¼?/span></p> </td> </tr> <tr> <td width="77%"> <p align="left"><span class="he">ç¬?span lang="EN-US" xml:lang="EN-US">1</span>行显示流量值;</span></p> </td> </tr> <tr> <td width="77%"> <p align="left"><span class="he">ç¬?span lang="EN-US" xml:lang="EN-US">2</span>行显示流量单位;</span></p> </td> </tr> <tr> <td width="77%"> <p align="left"><span class="he">ç¬?span lang="EN-US" xml:lang="EN-US">3</span>行显示流量百分比、正向总量、反向总量、差值总量、报警、流速ã€?/span></p> </td> </tr> </tbody> </table> </td> </tr> <tr> <td width="19%"> <p align="center"><span class="he">磁键å¼?/span></p> </td> <td width="67%"> <table border="0" cellspacing="0" cellpadding="0" width="100%"> <tbody> <tr> <td width="77%"> <p align="left"><span lang="EN-US" class="he" xml:lang="EN-US">2</span><span class="he">个磁键用于显示参数的选择和复位,利用<span lang="EN-US" xml:lang="EN-US">PC</span>æœ?span lang="EN-US" xml:lang="EN-US">RS232</span>对转换器设定编程ï¼?/span></p> </td> </tr> <tr> <td width="77%"> <p align="left"><span lang="EN-US" class="he" xml:lang="EN-US">2</span><span class="he">è¡?span lang="EN-US" xml:lang="EN-US">LCD</span>宽视角、宽温、带背光显示ï¼?/span></p> </td> </tr> <tr> <td width="77%"> <p align="left"><span class="he">ç¬?span lang="EN-US" xml:lang="EN-US">1</span>è¡?span lang="EN-US" xml:lang="EN-US">:</span>磁键选择<span lang="EN-US" xml:lang="EN-US">:</span>显示流量百分比、正向总量、反向总量、差值总量、报警、流速ã€?/span></p> </td> </tr> <tr> <td width="77%"> <p align="left"><span class="he">ç¬?span lang="EN-US" xml:lang="EN-US">2</span>行:显示流量ã€?/span></p> </td> </tr> </tbody> </table> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">内部积算å™?/span></p> </td> <td colspan="2"> <p align="center"><span class="he">正向总量、反向总量及差值总量ã€?/span></p> </td> </tr> <tr> <td rowspan="4" width="14%"> <p align="center"><span class="he">输出信号</span></p> </td> <td width="19%"> <p align="center"><span class="he">单向模拟输出</span></p> </td> <td width="67%"> <div align="center"> <table border="0" cellspacing="0" cellpadding="0" width="100%"> <tbody> <tr> <td width="100%"> <p align="left"><span class="he">全隔离,负载<span lang="EN-US" xml:lang="EN-US">≤600D</span>ï¼?span lang="EN-US" xml:lang="EN-US">20mA</span>时;</span></p> </td> </tr> <tr> <td width="100%"> <p align="left"><span class="he">上限ï¼?span lang="EN-US" xml:lang="EN-US">0—21mA</span>可选,每档<span lang="EN-US" xml:lang="EN-US">lmA</span>ï¼?/span></p> </td> </tr> <tr> <td width="100%"> <p align="left"><span class="he">下限ï¼?span lang="EN-US" xml:lang="EN-US">0—21mA</span>可选,每档<span lang="EN-US" xml:lang="EN-US">1mA</span>ï¼?/span></p> </td> </tr> <tr> <td width="100%"> <p align="left"><span class="he">正、反向流量输出方式编程ã€?/span></p> </td> </tr> </tbody> </table> </div> </td> </tr> <tr> <td width="19%"> <p align="center"><span class="he">双向模拟输出</span></p> </td> <td width="67%"> <p align="left"><span class="he">下限限制为。或<span lang="EN-US" xml:lang="EN-US">4mA</span>,其他同单向模拟输出ã€?/span></p> </td> </tr> <tr> <td width="19%"> <p align="center"><span class="he">双向脉冲输出</span></p> </td> <td width="67%"> <div align="center"> <table border="0" cellspacing="0" cellpadding="0" width="100%"> <tbody> <tr> <td width="100%"> <p align="left"><span class="he">两路输出分别对应正向和反向流é‡?span lang="EN-US" xml:lang="EN-US">,</span>频率<span lang="EN-US" xml:lang="EN-US">0</span>ï½?span lang="EN-US" xml:lang="EN-US">800Hz,</span>上限<span lang="EN-US" xml:lang="EN-US">1—800Hz</span>可é€?span lang="EN-US" xml:lang="EN-US">,</span>每档<span lang="EN-US" xml:lang="EN-US">IHz</span>ï¼?/span></p> </td> </tr> <tr> <td width="100%"> <p align="left"><span class="he">方波或选定脉宽,选定脉宽上限<span lang="EN-US" xml:lang="EN-US">2</span>ï¼?span lang="EN-US" xml:lang="EN-US">5S</span>,每æ¡?span lang="EN-US" xml:lang="EN-US">1ms</span>ï¼?/span></p> </td> </tr> <tr> <td width="100%"> <p align="left"><span class="he">无源隔离晶体管开关输出,可吸æ”?span lang="EN-US" xml:lang="EN-US">250mA</span>的电流,耐压<span lang="EN-US" xml:lang="EN-US">35V</span>ã€?/span></p> </td> </tr> </tbody> </table> </div> </td> </tr> <tr> <td width="19%"> <p align="center"><span class="he">双路报警输出</span></p> </td> <td width="67%"> <div align="center"> <table border="0" cellspacing="0" cellpadding="0" width="100%"> <tbody> <tr> <td width="100%"> <p align="left"><span class="he">可报警编程高/低流量、空管、故障状态、正,,反向流量、模拟量超量程、脉冲量超量程、脉冲小信号切除,输出极性可选;</span></p> </td> </tr> <tr> <td width="100%"> <p align="left"><span class="he">带隔离保护的晶体管开关输å‡?span lang="EN-US" xml:lang="EN-US">,</span>可吸æ”?span lang="EN-US" xml:lang="EN-US">250mA</span>的电æµ?span lang="EN-US" xml:lang="EN-US">,</span>耐压<span lang="EN-US" xml:lang="EN-US">35V.</span>与脉冲输出不隔离</span></p> </td> </tr> </tbody> </table> </div> </td> </tr> <tr> <td width="14%"> <p align="center"><span class="he">数字通讯</span></p> </td> <td width="19%"> <p align="center"><span class="he"> </span></p> </td> <td width="67%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">RS232</span><span class="he">ï¼?span lang="EN-US" xml:lang="EN-US">RS485</span>ï¼?span lang="EN-US" xml:lang="EN-US">HART</span></span></p> </td> </tr> </tbody> </table> </td> </tr> <tr> <td valign="top" width="100%" colspan="2"> <p align="left">衬里的选择</p> <table border="1" cellspacing="0" cellpadding="0" width="100%"> <tbody> <tr> <td rowspan="2" width="12%"> <p align="center"><span class="he">衬里材料</span></p> </td> <td rowspan="2" width="45%"> <p align="center"><span class="he">主要性能<span lang="EN-US" xml:lang="EN-US">?</span></span></p> </td> <td width="23%" colspan="2"> <p align="center"><span class="he">最高介质温åº?/span></p> </td> <td width="20%"> <p align="center"><span class="he">适用范围</span></p> </td> </tr> <tr> <td width="7%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">—</span><span class="he">体型</span></p> </td> <td width="16%"> <p align="center"><span class="he">分离åž?/span></p> </td> <td width="20%"> <p align="center"><span class="he"> </span></p> </td> </tr> <tr> <td width="12%"> <p align="center"><span class="he">聚四氟乙烯(<span lang="EN-US" xml:lang="EN-US">F4</span></span></p> </td> <td width="45%"> <p align="left"><span class="he">是化学性能最稳定的一种塑料,能耐沸腾的盐酸、硫酸、硝酸和王水,也能耐浓碱和各种有机溶剂。不耐三氟化氯、高温三氟化氯、高流速液氟、液氧、自氧的腐蚀ã€?/span></p> </td> <td rowspan="5" width="7%"> <p align="center"><span class="he">70â„?/span></p> </td> <td width="16%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">100â„?150â„?</span><span class="he">需特殊订货</span></p> </td> <td width="20%"> <p align="left"><span lang="EN-US" class="he" xml:lang="EN-US">1</span><span class="he">、浓酸、碱等强腐蚀性介质ã€?span lang="EN-US" xml:lang="EN-US"> 2</span>、卫生类介质ã€?/span></p> </td> </tr> <tr> <td width="12%"> <p align="center"><span class="he">聚全氟乙丙烯ï¼?span lang="EN-US" xml:lang="EN-US">F46</span></span></p> </td> <td width="45%"> <p align="left"><span class="he">å?span lang="EN-US" xml:lang="EN-US">F4</span>,耐磨性、抗负压能力高于<span lang="EN-US" xml:lang="EN-US">F4</span>ã€?/span></p> </td> <td width="16%"> <p align="center"><span class="he">同上</span></p> </td> <td width="20%"> <p align="center"><span class="he"> </span></p> </td> </tr> <tr> <td width="12%"> <p align="center"><span class="he">聚氟合乙烯(<span lang="EN-US" xml:lang="EN-US">Fs</span></span></p> </td> <td width="45%"> <p align="left"><span class="he">适用温度上限较聚四氟乙烯低,但成本也较低ã€?/span></p> </td> <td width="16%"> <p align="center"><span class="he">80â„?/span></p> </td> <td width="20%"> <p align="center"><span class="he"> </span></p> </td> </tr> <tr> <td width="12%"> <p align="center"><span class="he">聚氯丁橡èƒ?/span></p> </td> <td width="45%"> <p align="left"><span lang="EN-US" class="he" xml:lang="EN-US">1</span><span class="he">、有极好的弹性,高度的扯断力,耐磨性能好ã€?span lang="EN-US" xml:lang="EN-US">2</span>、耐一般低浓度酸、碱、盐介质的腐蚀,不耐氧化介质的腐蚀ã€?/span></p> </td> <td width="16%"> <p align="center"><span lang="EN-US" class="he" xml:lang="EN-US">80â„?120â„?</span><span class="he">需特殊订货</span></p> </td> <td width="20%"> <p align="left"><span class="he">水、污水、弱磨损性的泥浆矿浆ã€?/span></p> </td> </tr> <tr> <td width="12%"> <p align="center"><span class="he">聚氨酯橡èƒ?/span></p> </td> <td width="45%"> <p align="left"><span lang="EN-US" class="he" xml:lang="EN-US">1</span><span class="he">、耐磨性能极强ã€?/span></p> <p align="left"><span lang="EN-US" class="he" xml:lang="EN-US">2</span><span class="he">、耐腐蚀性能较差ã€?/span></p> </td> <td width="16%"> <p align="center"><span class="he">80â„?/span></p> </td> <td width="20%"> <p align="left"><span class="he">中性强磨损的矿浆、煤浆、泥æµ?/span></p> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> <table cellspacing="0" cellpadding="0"> <tbody> <tr> <td height="99" valign="top" width="100%" colspan="2"> <p align="left">进口保护法兰和接地法兰或接地环的选择</p> <table border="1" cellspacing="0" cellpadding="0" width="100%"> <tbody> <tr> <td width="21%"> <p align="left"><span class="he">法兰种类</span></p> </td> <td width="79%"> <p align="left"><span class="he">é€?ç”?èŒ?å›?/span></p> </td> </tr> <tr> <td width="21%"> <p align="left"><span class="he">接地法兰或接地环</span></p> </td> <td width="79%"> <p align="left"><span class="he">适用于非导体管道,如塑料管道,但有接地电极的传感器不需要ã€?/span></p> </td> </tr> <tr> <td width="21%"> <p align="left"><span class="he">进口保护法兰</span></p> </td> <td width="79%"> <p align="left"><span class="he">当介质有强磨损性时选用ã€?/span></p> </td> </tr> </tbody> </table> </td> </tr> <tr> <td valign="top" width="100%" colspan="2"> <p align="left">电极的选择</p> <table border="1" cellspacing="0" cellpadding="0" width="100%"> <tbody> <tr> <td width="17%"> <p align="left"><span class="he">电极材料</span></p> </td> <td width="83%"> <p align="left"><span class="he">耐蚀及耐磨性能</span></p> </td> </tr> <tr> <td width="17%"> <p align="left"><span class="he">不锈é’?span lang="EN-US" xml:lang="EN-US">0Crl8Nil2M02Ti</span></span></p> </td> <td width="83%"> <p align="left"><span class="he">用于工业用水、生活用水、污水等具有弱腐蚀性的介质,适用于石油、化工、钢铁等工业部门及,市政、环保等领域ã€?/span></p> </td> </tr> <tr> <td width="17%"> <p align="left"><span class="he">哈氏合金<span lang="EN-US" xml:lang="EN-US">B</span></span></p> </td> <td width="83%"> <p align="left"><span class="he">对沸点以下的一切浓度的盐酸有良好的耐蚀性,也耐硫酸、磷酸、氢氟酸、有机酸等非氯化性酸、碱,非氧化性盐液的腐蚀ã€?/span></p> </td> </tr> <tr> <td width="17%"> <p align="left"><span class="he">哈氏合金<span lang="EN-US" xml:lang="EN-US">C</span></span></p> </td> <td width="83%"> <p align="left"><span class="he">能耐非氧化性酸,如硝酸、混酸、或铬酸与硫酸的混合介质的腐蚀,也耐氧化性盐类如ï¼?span lang="EN-US" xml:lang="EN-US">Fe</span>ï¼?span lang="EN-US" xml:lang="EN-US">"</span>、ã€?span lang="EN-US" xml:lang="EN-US">Cu"</span>下或含其他氧化剂的腐蚀,如高于常温的次氯酸盐溶液、海水的腐蚀</span></p> </td> </tr> <tr> <td width="17%"> <p align="left"><span class="he">é’?/span></p> </td> <td width="83%"> <p align="left"><span class="he">能耐海水、各种氯化物和次氯酸盐、氧化性酸包括发烟硫酸、有机酸、碱的腐蚀。不耐较纯的还原性酸如硫酸、盐酸的腐蚀,但如酸中含有氧化剂如硝酸ã€?span lang="EN-US" xml:lang="EN-US">Fc</span>++ã€?span lang="EN-US" xml:lang="EN-US">Cu</span>++时,则腐蚀大为降低ã€?/span></p> </td> </tr> <tr> <td width="17%"> <p align="left"><span class="he">é’?/span></p> </td> <td width="83%"> <p align="left"><span class="he">具有优良的耐蚀性和玻璃很相似。除了氢氟酸、发烟硫酸、碱外,几乎能è€?span lang="EN-US" xml:lang="EN-US">——</span>切化学介质包括沸点的盐酸、硝酸和<span lang="EN-US" xml:lang="EN-US">l 50â„?/span>以下的硫酸的腐蚀。在碱中刁;耐蚀ã€?/span></p> </td> </tr> <tr> <td width="17%"> <p align="left"><span class="he">铂/钛合é‡?/span></p> </td> <td width="83%"> <p align="left"><span class="he">几乎能è€?span lang="EN-US" xml:lang="EN-US">——</span>切化学介质,但不适用于王水和铵盐ã€?/span></p> </td> </tr> <tr> <td width="17%"> <p align="left"><span class="he">不锈钢涂覆碳化钨</span></p> </td> <td width="83%"> <p align="left"><span class="he">用于无腐蚀性,强磨损性的介质ã€?/span></p> </td> </tr> <tr> <td width="100%" colspan="2"> <p align="left"><span class="he">注: 由于介质种类繁多,其腐蚀性又受温度、浓度、流速等复杂因素影响而变化,故本表仅供参考。用户应根据实际情况自己做出选择,必要时应做拟选材料的耐腐试验,如挂片试验ã€?/span></p> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> </p> <p>HN LD-B系列<b><span style="color: #000000"><b>防爆型电磁流量计</b></span></b>仪表选型</p> <p>◆量程范围确è®?br />     一般工业用<span style="color: #000000"><b><a href="http://www.gozillab.com/product/llyb/fangbaodianciliuliangji.html">防爆型电磁流量计</a></b></span>被测介质流速以2ï½?m/s为宜,在特殊情况下,最低流速应不小äº?.2m/s,最高应不大äº?m/s。若介质中含有固体颗粒,常用流速应小于3m/s,防止衬里和电极的过分磨擦;对于粘滞流体,流速可选择大于2m/s,较大的流速有助于自动消除电极上附着的粘滞物的作用,有利于提高测量精度ã€?br />     在量程Q已确定的条件下,即可根据上述流速V的范围决定流量计口径D的大小,其值由下式计算ï¼?br /> Q=πD2V/4<br /> Q:流量(㎡/hï¼?D:管道内径 V:流速(m/hï¼?br /> 防爆型流量计的量程Q应大于预计的最大流量值,而正常的流量值以稍大äº?b>流量è®?/b>满量程刻度的50为宜ã€?/p> <p>◆HN LD-B系列<b>防爆型电磁流量计</b>参考流量范å›?/p> <p> <table border="1" cellspacing="0" cellpadding="0" width="585"> <tbody> <tr> <td width="135"> <p align="center"><span class="he"><strong>口径<span lang="EN-US" xml:lang="EN-US">mm</span></strong></span></p> </td> <td width="151"> <p align="center"><span class="he"><strong>流量范围<span lang="EN-US" xml:lang="EN-US">m3/h</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong>口径<span lang="EN-US" xml:lang="EN-US">mm</span></strong></span></p> </td> <td width="150"> <p align="center"><span class="he"><strong>流量范围<span lang="EN-US" xml:lang="EN-US">m3/h</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ15</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">0.06~6.36</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ450</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">57.23</span>ï½?span lang="EN-US" xml:lang="EN-US">5722.65</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ20</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">0.11</span>ï½?span lang="EN-US" xml:lang="EN-US">11.3</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ500</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">70.65</span>ï½?span lang="EN-US" xml:lang="EN-US">7065.00</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ25</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">0.18</span>ï½?span lang="EN-US" xml:lang="EN-US">17.66</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ600</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">101.74</span>ï½?span lang="EN-US" xml:lang="EN-US">10173.6</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ40</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">0.45</span>ï½?span lang="EN-US" xml:lang="EN-US">45.22</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ700</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">138.47</span>ï½?span lang="EN-US" xml:lang="EN-US">13847.4</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ50</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">0.71</span>ï½?span lang="EN-US" xml:lang="EN-US">70.65</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ800</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">180.86</span>ï½?span lang="EN-US" xml:lang="EN-US">18086.4</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ65</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">1.19</span>ï½?span lang="EN-US" xml:lang="EN-US">119.4</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ900</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">228.91</span>ï½?span lang="EN-US" xml:lang="EN-US">22890.6</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ80</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">1.81</span>ï½?span lang="EN-US" xml:lang="EN-US">180.86</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ1000</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">406.94</span>ï½?span lang="EN-US" xml:lang="EN-US">40694.4</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ100</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">2.83</span>ï½?span lang="EN-US" xml:lang="EN-US">282.60</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ1200</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">553.90</span>ï½?span lang="EN-US" xml:lang="EN-US">55389.6</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ150</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">6.36</span>ï½?span lang="EN-US" xml:lang="EN-US">635.85</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ1600</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">723.46</span>ï½?span lang="EN-US" xml:lang="EN-US">72345.6</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ200</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">11.3</span>ï½?span lang="EN-US" xml:lang="EN-US">1130.4</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ1800</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">915.62</span>ï½?span lang="EN-US" xml:lang="EN-US">91562.4</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ250</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">17.66</span>ï½?span lang="EN-US" xml:lang="EN-US">176.25.</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ2000</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">1130.4</span>ï½?span lang="EN-US" xml:lang="EN-US">113040.00</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ300</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">25.43</span>ï½?span lang="EN-US" xml:lang="EN-US">2543.40</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ2200</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">1367.78</span>ï½?span lang="EN-US" xml:lang="EN-US">136778.4</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ350</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">34.62</span>ï½?span lang="EN-US" xml:lang="EN-US">3461.85</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ2400</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">1627.78</span>ï½?span lang="EN-US" xml:lang="EN-US">162777.6</span></strong></span></p> </td> </tr> <tr> <td width="135"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ400</span></strong></span></p> </td> <td width="151"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">45.22</span>ï½?span lang="EN-US" xml:lang="EN-US">4521.6</span></strong></span></p> </td> <td width="86"> <p align="center"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">φ2600</span></strong></span></p> </td> <td width="150"> <p align="left"><span class="he"><strong><span lang="EN-US" xml:lang="EN-US">1910.38</span>ï½?span lang="EN-US" xml:lang="EN-US">191037.6</span></strong></span></p> </td> </tr> </tbody> </table> </p> <p> HN LD-B系列<b>防爆型电磁流量计</b>选型</p> <p> <table border="1" cellspacing="0" cellpadding="0" width="579"> <tbody> <tr> <td valign="top" width="47"> <p align="left"><span class="he">型号</span></p> </td> <td valign="top" width="50"> <p align="left"><span class="he">口径</span></p> </td> <td valign="top" rowspan="2" colspan="8"> <p align="left"> </p> </td> </tr> <tr> <td valign="top" width="47"> <p align="left"><span class="he">HN LD</span></p> </td> <td valign="top" width="50"> <p align="left"><span class="he">15~2600</span></p> </td> </tr> <tr> <td valign="top" rowspan="28" width="47"> <p align="left"> </p> </td> <td valign="top" rowspan="28" width="50"> <p align="left"> </p> </td> <td valign="top" width="31"> <p align="left"><span class="he">代号</span></p> </td> <td valign="top" width="60"> <p align="left"><span class="he">安装形式</span></p> </td> <td valign="top" rowspan="3" colspan="6"> <p align="left"> </p> </td> </tr> <tr> <td valign="top" width="31"> <p align="left"><span class="he">Y</span></p> </td> <td valign="top" width="60"> <p align="left"><span class="he">一体式</span></p> </td> </tr> <tr> <td valign="top" width="31"> <p align="left"><span class="he">F</span></p> </td> <td valign="top" width="60"> <p align="left"><span class="he">分体å¼?/span></p> </td> </tr> <tr> <td valign="top" rowspan="25" width="31"> <p align="left"> </p> </td> <td valign="top" width="60"> <p align="left"><span class="he">代号</span></p> </td> <td valign="top" colspan="6"> <p align="left"><span class="he">转换器型å?/span></p> </td> </tr> <tr> <td valign="top" width="60"> <p align="left"><span class="he">ZA</span></p> </td> <td valign="top" colspan="6"> <p align="left"><span class="he">圆形</span></p> </td> </tr> <tr> <td valign="top" width="60"> <p align="left"><span class="he">ZB</span></p> </td> <td valign="top" colspan="6"> <p align="left"><span class="he">方形 </span></p> </td> </tr> <tr> <td valign="top" rowspan="22" width="60"> <p align="left"> </p> </td> <td valign="top" width="44"> <p align="left"><span class="he">代号</span></p> </td> <td valign="top" colspan="5"> <p align="left"><span class="he">输出信号</span></p> </td> </tr> <tr> <td valign="top" width="44"> <p align="left"><span class="he">I.4</span></p> </td> <td valign="top" colspan="5"> <p align="left"><span class="he">4~20mA</span></p> </td> </tr> <tr> <td valign="top" width="44"> <p align="left"><span class="he">f</span></p> </td> <td valign="top" colspan="5"> <p align="left"><span class="he">频率 1KHz</span></p> </td> </tr> <tr> <td valign="top" width="44"> <p align="left"><span class="he">Rs</span></p> </td> <td valign="top" colspan="5"> <p align="left"><span class="he">串行通讯ï¼?85ï¼?/span></p> </td> </tr> <tr> <td valign="top" width="44"> <p align="left"><span class="he">C</span></p> </td> <td valign="top" colspan="5"> <p align="left"><span class="he">控制输出</span></p> </td> </tr> <tr> <td valign="top" rowspan="17" width="44"> <p align="left"><span class="he"> </span></p> </td> <td valign="top" width="36"> <p align="left"><span class="he"> ä»£å· </span></p> </td> <td valign="top" colspan="4"> <p align="left"><span class="he">防爆要求 </span></p> </td> </tr> <tr> <td valign="top" width="36"> <p align="left"><span class="he"> N</span></p> </td> <td valign="top" colspan="4"> <p align="left"><span class="he">无防çˆ?</span></p> </td> </tr> <tr> <td valign="top" width="36"> <p align="left"><span class="he">EX</span></p> </td> <td valign="top" colspan="4"> <p align="left"><span class="he">防爆(仅适用于分体式ï¼?</span></p> </td> </tr> <tr> <td valign="top" rowspan="14" width="36"> <p align="left"><span class="he"> </span></p> </td> <td valign="top" width="34"> <p align="left"><span class="he">代号 </span></p> </td> <td valign="top" colspan="3"> <p align="left"><span class="he">介质温度 </span></p> </td> </tr> <tr> <td valign="top" width="34"> <p align="left"><span class="he">T1</span></p> </td> <td valign="top" colspan="3"> <p align="left"><span class="he">≤65â„?</span></p> </td> </tr> <tr> <td valign="top" width="34"> <p align="left"><span class="he">T2</span></p> </td> <td valign="top" colspan="3"> <p align="left"><span class="he">≤120â„?</span></p> </td> </tr> <tr> <td valign="top" width="34"> <p align="left"><span class="he">T3</span></p> </td> <td valign="top" colspan="3"> <p align="left"><span class="he">≤180â„?仅适用于分体式ï¼?</span></p> </td> </tr> <tr> <td valign="top" rowspan="10" width="34"> <p align="left"><span class="he"> </span></p> </td> <td valign="top" width="44"> <p align="left"><span class="he">代号 </span></p> </td> <td valign="top" colspan="2"> <p align="left"><span class="he">内衬材质 </span></p> </td> </tr> <tr> <td valign="top" width="44"> <p align="left"><span class="he">NE</span></p> </td> <td valign="top" colspan="2"> <p align="left"><span class="he">氯丁橡胶ï¼?le;65℃) </span></p> </td> </tr> <tr> <td valign="top" width="44"> <p align="left"><span class="he">PTFE</span></p> </td> <td valign="top" colspan="2"> <p align="left"><span class="he">聚四氟乙烯(≤189℃) </span></p> </td> </tr> <tr> <td valign="top" width="44"> <p align="left"><span class="he">PVC</span></p> </td> <td valign="top" colspan="2"> <p align="left"><span class="he">聚氯乙烯ï¼?le;70℃) </span></p> </td> </tr> <tr> <td valign="top" rowspan="6" width="44"> <p align="left"><span class="he"> </span></p> </td> <td valign="top" width="47"> <p align="left"><span class="he">代号 </span></p> </td> <td valign="top" width="164"> <p align="left"><span class="he">电极材质 </span></p> </td> </tr> <tr> <td valign="top" width="47"> <p align="left"><span class="he">316L</span></p> </td> <td valign="top" width="164"> <p align="left"><span class="he">不锈é’?</span></p> </td> </tr> <tr> <td valign="top" width="47"> <p align="left"><span class="he">HC</span></p> </td> <td valign="top" width="164"> <p align="left"><span class="he">哈氏合金C</span></p> </td> </tr> <tr> <td valign="top" width="47"> <p align="left"><span class="he">HB</span></p> </td> <td valign="top" width="164"> <p align="left"><span class="he">哈氏合金B</span></p> </td> </tr> <tr> <td valign="top" width="47"> <p align="left"><span class="he">Ti</span></p> </td> <td valign="top" width="164"> <p align="left"><span class="he">é’?</span></p> </td> </tr> <tr> <td valign="top" width="47"> <p align="left"><span class="he">Ta</span></p> </td> <td valign="top" width="164"> <p align="left"><span class="he">é’?/span></p> </td> </tr> </tbody> </table> </p> <p> ç›¸å…³äº§å“ï¼?b><a href="http://www.gozillab.com/product/llyb/zhinengxingfangfudianciliuliangji.html">智能型防腐电磁流量计</a></b>,<b><a 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