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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong>典型应用</strong></p><p>污染源污水排口；市政污水进排口；工业废水排口：�/p><p><strong>仪器特点</strong></p><p>� 可连接哈希sc200及sc1000控制器；</p><p>� 更精准的测量能力；软硬件更新：�/p><p>� 更易于在线数据与实验室数据的比对：�/p><p>� 更低的系统维护量：�/p><p>� 经典重铬酸钾氧化高效的消解相结合—符合中国国标的铬法COD测试原理：�/p><p>� 活塞泵技术和抗腐蚀的管路设计；</p><p>� 精确的光学计量系统；</p><p>� 10~5000 mg/L三档量程自动切换：�/p><p>� 自动校准功能 - 确保测量的准确；</p><p>� 自动清洗功能 - 降低维护量；</p><p><strong>检测原琅�/strong></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、�/p><p>主要干扰物为氯化物，加入硫酸汞形成络合物去除、�/p><p><span><strong>技术指栆�/strong></span></p><p><span>测试方法 重铬酸钾高温消解，比色测宙�/span></p><p><span>测试量程 10�?�?00mg/L</span></p><p><span>示值误�?邻苯二甲酸氢钾试�? ��8%</span></p><p><span>重复� �?%</span></p><p><span>零点漂移(24h� ��5mg/L</span></p><p><span>量程漂移(24h� ��10mg/L</span></p><p><span>消解时间 自动�?�?�?0�?0�?0�?0�?0�?0�?00 �?20分钟可逈�/span></p><p><span>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�/span></p><p><span>校准 可选择不校准，自动校准或用户自定义校准�?�?点）</span></p><p><span>输出 2路电流输出：0/4-20 mA�?*负载500��</span></p><p><span>2个多功能输出继电器：24V 1A</span></p><p><span>通过SD卡在sc200或sc1000控制器读叕�/span></p><p><span>服务接口 RS232</span></p><p><span>数字通讯 MODBUS或Profibus，通过sc200或sc1000控制�?/span></p><p><span>显示方式 通过哈希 sc200或sc1000显示</span></p><p><span>环境温度 +5~+40ℂ�/span></p><p><span>电源 220 VAC �� 10%/50-60 Hz</span></p><p><span>功� �?00VA</span></p><p><span>尺寸 535.80mm �� 711.5mm �� 376mm</span></p><p><span>重量 �?8 kg ( 不包括试�?</span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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