产品描述 流量测量，用于饮用水，废水和过程水产品应用W，U和C型传感器特别适用于纯净或少量杂质的双向液体测量，气体含量 1%或固体含量 5%应用领域-低电导率的超纯水，饮用水，废水等捆绑式(W/U)：-安装、更新方便，无断续过程-适用于各种声传管和均匀流体插入式(W)：-用于焊接管和内衬-小入口流量场合衬里式(C)：-质保和认证要求高的场合-有溯源要求的场合 产品性能及优势W和U夹持式：-非接触式测量技术，系统捆绑在管道外壁-安装方便,经济-管径范围大捆绑式(U):DN15...100捆绑式(W):DN50...4000插入式（W）-双通道小入口流量测量-DN200...400单通道测量-DN400...4000双通道测量衬里式（C）-精度高--DN300...2000变送器-90、93墙装式外壳IP67- 快速设定 菜单方便调试-接口：标准HART（90/93）PROFIBUSPA（90/93）PROFIBUSDP（93）FMU231E-AA32超声波液位计应用ProsonicT适用于对液体及颗粒料位进行非接触式连续物位测量的一体化仪表。有两种不同测量范围的变送器可供选择。 FMU230 固体测量范围：2m 液体测量范围：4m FMU231E-AA32 固体测量范围：3.5m 液体测量范围：7m两种变送器都配有一体化的温度传感器，用于对时间行程测量原理的补偿。性能和优点 螺纹连接G1? ，1?NPT 或G2 ，2 NPT 可旋转外壳 带可选现场显示，按钮操作简便 LED发光显示能快速监测操作状态 两线制供电操作通过面板上的四个键-,+,V,H,可对参数进行设置、显示,并可进入Endress+Hauser操作矩阵及其他功能： 对三个固定目标的回波自动抑制 线性化修正（11点） 零点和满度标定 一级回波检测（二次回波） 对干扰回波进行自动抑制 参数锁定FMU231E-AA32主要技术参数 盲区：FMU2300.25M FMU2310.4M 振频：FMU230 70HZ FMU23135HZ 声波发散角：а 5.5 保护等级:IP67 测量误差:最大测量值的0.25% 分辨率:3MM 介质温度:-40...+80 C（内含温度传感器） 工作压力:螺纹连接3barFMU231E-AA32安装指导 安装探头时，应保证最高物位在盲区以下，探头端面应伸入罐内。（加安装管时例外） 注意安装角探头应与物面垂直避开加料扇区 不可在一个罐内同时安装两个ProsonicT 不能将探头安装于罐中心包装说明 出厂原包装产品型号 FMU230E-AA32，FMU231E-AA32 测量范围 0-4m;0-7m测量精度 0.25% 输出信号 4-20mA二线制电源及功耗 24VDC0.8W FMU231E-AA32优点:■非接触测量，与材料特性几乎无关■集成温度传感器的传输时间修正，甚至温度变化时，测量仍然准确■测量值以任意单位输出的线性化功能■带可选择的显示器■通过G1 、G2 、NPT1 或NPT2 螺丝简单固定■二线制仪表，物位由4-20mA输出电流显示■可旋转外壳■带可选现场显示，按钮操作简便■LED发光显示能快速监测操作状态■两线制供电 FMU231E-AA32功能和系统设计传输时间法E：空罐距离；F：满量程（满罐距离）；D：传感器到物料表面的距离；L：物位；BD：死区距离ProsonicT传感器向产品表面方向发出的超声波脉冲，在产品表面被反射返回并由传感器接收。ProsonicT测量脉冲发射与接收间的时间t，仪表用t和声速c计算传感器膜片与产品表面之间的距离。D=c t/2用用户输入的已知空罐距离E计算物位如下：L=E D一体化的温度传感器可以补偿温度变化引起的声速变化。信号赋值 ■自动抑制最多3个干扰回波■检测第一个回波 校准 通过输入空罐距离E（零点）和满罐距离F（量程）校准E和F相当于：■电流输出分别为4mA或20mA■现场显示分别为0%或100% 量程F不能伸入死区距离BD，由于传感器的瞬态特性会导致测量值错误，所以，死区距离反射的物位回波不能赋值。有现场显示器的仪表，E和F能够直接以数字输入。无显示器的仪表，对容器连续加料到E和F点即能完成校准。线性化 ProsonicT的线性化功能把测量值转换为任意单位的长度或体积值，线性化表最多由11对数组成，能够手动或半自动输入（在控制条件下对容器加料）。. FMU231E-AA32输入测量变量 测量传感器膜片与物料表面的距离D利用线性化功能，仪表用D计算：■任何单位表示的物位L■任何单位表示的体积V 测量范围 上限：死区距离仪表 死区距离（BD）FMU230 0,25mFMU231 0,4m测量距离上限由死区指定（第2页）。由于传感器的瞬态特性，不能计算死区距离内物位回波的值。下限：传感器量程测量范围由传感器的量程决定，传感器量程由运行时的工作条件决定。实际的范围估计如下（也可参阅图中的计算举例）： 1.确定过程对测量的影响2.加上相应的衰减值3.根据总的衰减，用图表计算量程 流体表面 衰减静止 0dB波浪 5...10dB强烈动荡 10...20dB泡沫 查询E+H固体材料表面 衰减粗硬（如碎石） 40dB软（如坭煤、粉尘覆盖矿渣） 40...60dB粉尘 衰减不形成粉尘 0dB小量形成粉尘 5dB严重形成粉尘 5...20dB探测范围内的物料遮挡 衰减无 0dB小量 5...10dB大量 10...40dB传感器与物料表面的温差 衰减to20 C 0dBto40 C 5...10dBto80 C 10...20dB FMU231E-AA32输出输出信号 4...20mA模拟信号报警信号 可配置为：3,8mA22mA保持最后的值输出阻尼 0...255s FMU231E-AA32性能特点参考工作条件 在下列参考条件下，指定的性能特点有效： ■温度=+20 C■压力=1013mbarabs.■湿度=60%■理想的反射面（如平静、平坦的液体表面）■信号波束内无干扰反射 测量值分辨率 3mm测量误差 最大测量范围的0,25%（包括线性、重复性和滞后）脉冲频率 0,5...1Hz反应时间 约5s FMU231E-AA32过程条件过程温度 -40 C...+80 C过程压力 0,7...3barabs. FMU231E-AA32认证与批准CE标志 测量系统符合欧盟规程的法定要求，E+H确认贴有CE标志的仪表已通过所需的测试。外来标准和规程 EN60529外壳的保护等级（IP码）EN61326电磁兼容性（EMC要求）NAMUR化学工业控制与测量标准委员会 FMU231E-AA32环境条件环境温度 -20 C...+60 C贮存温度 -40 C...+80 C气象等级 DIN/IEC68T2-30Db防护等级 ■密闭外壳：IP67，NEMA6■敞开外壳：IP20，NEMA1■传感器：IP68 抗振 DINIEC68T2-6Tab.2C(10...55Hz)电磁兼容性（EMC） 干扰发射符合EN61326，设备等级B抗扰性符合EN61326，附录A（工业用）和NAMUR建议NE21（EMC）Endress+Hauser-恩德斯豪斯是世界著名过程控制仪器专业厂商。恩德斯豪斯主要产品有：物位仪表(雷达物位计、超声波物位计、导波雷达物位计、放射线物位计、液体音叉开关、固体音叉开关、电容式物位计及开关、电导式物位开关、机电式、静压式物位计、差压式物位计、阻旋式物位开关、重锤式物位计)；流量仪表(电磁流量计、科氏力质量流量计、涡街流量计、超声波流量计、明渠式流量计、热式质量流量计)；分析仪表(PH氧化还原、余氯、电导率、溶氧、浊度及固体含量、组件、采样站、在线分析仪、污泥界面、监测站、传导率)；压力仪表(表压和绝压的测量、差压测量、静压)；温度仪表(变送器、温度传感器)；系统与罐区仪表；记录仪表(记录仪、过程显示/指示仪)；通讯仪表等。FMU230E-AA32现货 FMU231E-AA32现货代理E+H电磁流量计10P/10H/10W/23H/23P/50H/50P/50W/53H全系列产品代理E+H涡街流量计72F/72W/73F/73W代理E+H科氏力质量流量40E/80A/80E/80F/80H/80I/80M/80S供应E+H/90P/90U/90W/91W/92F/92T/93C/93W超声波流量计代理德国E+H/83A/83E/83F/83H/83I/83M/83M/83S/84F/84M质量流量计 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