东润NMD-99智能感应式酸碱盐浓度�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span>仪表概述</span></p><p><span>NMD-99<span>智能感应式酸碱盐浓度计根据电磁感应原理设计的一种新型连续在线监测仪表，因其传感元件与被测介质无接触，故无极化效应，从而在连续在线测量酸、碱、盐及强腐蚀性介质浓度与电导率测量中，拥有一般电极式仪表无可比拟的优点、�/span></p><p><span>□应用领埞�/span></p><p><span>●火力发电、印染、化工、冶金、环保等行业酸、碱、盐浓度的测野�/span></p><p><span>●地表水、污水、废水等介质电导率的测量</span></p><p><span>●腐蚀性液体电导率测量</span></p><p><span>浓度测量适用条件９�/span></p><p><span>1<span>、被测介质为单组分体系（或含其它介质为弱电解质）</span></p><p><span>2<span>、被测介质浓度范围在电导率—浓度单调斜率曲线区，电导率下限大于</span><span>1mS/cm</span><span>、�/span></p><p><span>仪器特点</span></p><p><span>●电磁检测元件不与被测介质直接接触，无电极极化效库�/span></p><p><span>●大屏幕液晶显示器，中文菜单引导操作，简单易�?/span></p><p><span>●内置有常用酸、碱、盐的浓度曲线，通过设置调用曲线读取浓度值；用户亦可自己建立所需浓度曲线、�/span></p><p><span>●多点标定功能，在宽范围测量时确保测量精�?/span></p><p><span>●探头防腐材质，可测量多种腐蚀性酸碱盐溶液</span></p><p><span>●可存储和查询历史数据及趋势曲线</span></p><p><span>●可逈�span>modbus RTU</span><span>协议</span><span>RS485</span><span>通讯接口叉�/span><span>4-20mA</span><span>模拟信号输出</span></p><p><span>●可逈�span>2</span><span>路报警继电器（浓度或电导率）输出</span></p><p><span>工作原理</span></p><p><span>传感器内部设激励线圈和感应线圈两部刅�/span>＋�span>在激励线圈上加载正弦交流电产生交变磁圹�/span><span>＋�/span><span>交变磁场在介质中产生感应电流，感应电流在感应线圈处会产生一个感应磁圹�/span><span>＋�/span><span>该磁场又会在感应线圈中产生感应电流，感应电流的大小取决于介质中离子浓度即电导率的大小，测量此电流的强�?/span><span>� </span><span>即可确定电导率值，再通过电导率与浓度间的查表计算，即可得到溶液的浓度值、�/span></p><p><span>技术指栆�/span></p><p><span> 1<span>、测量范围：浓度（重量百分比，其它量程订货时协商）：</span></p><p><span>仪表内置浓度测量介质范围</span></p><p><span>测量介质</span><span>浓度范围＇�/span>%<span>（�/span></p><p><span>HCl</span><span>0<span>｝�/span><span>10</span></p><p><span>H2SO4</span><span>0<span>｝�/span><span>20</span></p><p><span>HNO3</span><span>0<span>｝�/span><span>20</span></p><p><span>NaOH</span><span>0<span>｝�/span><span>16</span></p><p><span>NaCl</span><span>0<span>｝�/span><span>20</span></p><p><span>电导率：</span>0<span>｝�/span><span>1999mS/cm</span></p><p><span>温度９�/span>-5<span>｝�/span><span>100</span><span>℃（</span><span>PT1000</span><span>（�/span></p><p><span>2<span>、测量精度：</span><span>2.0</span><span>�?/span></p><p><span>3<span>、温度补偿范围：</span><span>-5</span><span>｝�/span><span>55</span><span>ℂ�/span></p><p><span>温度系数调整范围：（</span>0~9.99<span>（�/span><span>%/</span><span>℃（可调（�/span></p><p><span>4<span>、测量探头参�?/span></p><p><span>电缆长度：标酌�/span> 5<span>米电缆线，也可定制加镾�/span></p><p><span>仪器重量９�/span>1.5kg</span></p><p><span>防护等级９�/span>IP68</span></p><p><span>探头外壳材质９�/span>PVC<span>�?/span><span>PP</span><span>�?/span><span>PFA</span><span>戕�/span><span>PEEK</span></p><p><span>工作压力</span>:<span>≣�/span><span>0.6MPa</span><span>＇�/span><span>25</span><span>℃）</span></p><p><span>安装方式：流通式或浸没式安装</span></p><p><span>流通式传感器介质流量：</span>100~1000ml/min</span></p><p><span>5<span>、变送器参数</span></p><p><span>环境温度９�/span>-10~50<span>ℂ�/span></p><p><span>相对湿度９�/span>≣�span>90%</span></p><p><span>工作电源９�/span><span>电压</span>220VAC<span>��</span><span>10%</span><span>；频玆�/span><span>50</span><span>��</span><span>0.5Hz</span></p><p><span>工作环境９�/span></p><p><span>无腐蚀性气体存�?/span></p><p><span>除地磁场无其它干扰磁圹�/span></p><p><span>无振动干�?/span></p><p><span>外形尺寸９�/span> 234/185/118mm<span>＋�/span><span>L/W/H</span></p><p><span>安装方式：墙挂式安装</span></p><p><span>外形尺寸</span></p><p></p><p><span>传感器安裄�/span></p><p><span>传感器可采用法兰、螺纹座、导杆安装方式，推荐形式如图</span></p><p><span>注意：安装时要求液体务必将传感器流通孔浸没，否则将无法测量准确</span></p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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