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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span><span><span></span>CODmax II 铬法COD分析�?/span>典型应用</p><p>污染源污水排口；市政污水进排口；工业废水排口</p><p><span><span>CODmax II铬法COD分析�?/span>仪器特点９�/p><p>� 经典重铬酸钾氧化与全新测试技术的结合：�/p><p>� 活塞泵技术和抗腐蚀的管路设计；</p><p>� 自我泄露监测：�/p><p>� 自我状态诊断；</p><p>� 自动校准功能：�/p><p>� 自动清洗功能：�/p><p>� 安全防护面板：�/p><p><span><span>CODmax II 铬法COD分析�?/span>检测原琅�/p><p>水样、重铬酸钾、硫酸银溶液（催化剂使直链芳香烃化合物氧化更充分）和浓硫酸的混合液在消解池中被加热到175℃，在此期间铬离子作为氧化剂从VI 价被还原成III 价而改变了颜色� 颜色的改变度与样品中有机化合物的含量成对应关系，仪器通过比色换算直接将样品的COD 显示出来。主要干扰物为氯化物，加入硫酸汞形成络合物去除、�/span></span></span></span></p><p><span><span><span><span>CODmax II 铬法COD分析�?/span></span></span></span></p><p><span><span><span>测试方法 <span>重铬酸钾高温消解，比色测宙�/p><p>测试量程 10�?�?00mg/L</p><p>分辨� <1mg>准确� ��10%</p><p>重现� �?%</p><p>响应时间＇�90%� 20min</p><p>消解时间 自动�?�?�?0�?0�?0�?0�?0�?0�?00 �?20分钟可逈�/p><p>测量间隔时间 连续测量�?~24小时间隔测量、触发启动测量，自定义间隓�/p><p>校准间隔 按选定间隔自动进行</p><p>清洗间隔 按选定间隔自动进行</p><p>用户维护 每月仅需1小时的维护时闳�/p><p>试剂消� �?个月连续测量状�?/p><p>模拟输出 2�?/4-20 mA模拟输出</p><p>继电器控� 2�?4V 1A继电器高低点控制</p><p>服务接口 RS232</p><p>数字通讯 标准MODBUS RS485或Profibus，可实现双向通讯和远程控刵�/p><p>显示 大屏幕LCD图表显示</p><p>数据存储 2000练�/p><p>环境温度 +5~+40ℂ�/p><p>电源 220 VAC �� 10%/50-60 Hz</p><p>功� �?00VA</p><p>尺寸 550mm �� 810mm �� 390mm</p><p>重量 �?5 kg(不包括试�?</span></span></span></span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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