E+H 电磁流量计50W2H-H50A1A10A7AW测量原理依据于法拉第电磁感应定律。流量计测量管是一内衬绝缘材 料的非导磁合金导管。两只电极与轴流方向垂直穿透关闭固定在测量管上，其电极头 与衬里内表面基于平齐。当励磁线圈由双向发生方波脉冲励磁时，即在与测量管轴线 垂直方向上产生一磁能量密度为 B 的工作磁场。此时，如果具有一定电导率的流体流 经测量管，将切割磁力线感应出电动势 E。电动势 E 正比于磁通量密度 B，测量管内径与平均流速 V的乘积。电动势 E（流量信号）由电极检出并通过电缆送至转换器。

E+H电磁流量计产品特点：

E+H电磁流量计适用介质：任何导电液体

E+H电磁流量计不适用介质：不导电液体、气体、蒸汽

负压管道无法使用

*的抗腐蚀能力，几乎可测任何导电液体

测量不受流体密度、粘度、温度、压力和电导率变化的影响

抗干扰力强，几乎不受外界干扰

仪表内部无任何阻流部件，无压损，属于节能型仪表

直管段要求低，可在线标定

具有自检和自诊断功能，方便检修

在现场可根据用户实际需要在线修改量

E+H电磁流量计技术参数

管径：四氟衬里：DN15~DN600；橡橡衬里：DN40~DN1200

精度等级：0.5级

被测介质温度：普通橡胶衬里：-20~+60℃；高温橡胶衬里：-20~+90℃；

聚四氟乙稀衬里：-30~+100℃；高温型四氟衬里：-20~+180℃。

额定工作压力：DN6~DN80：≤1.6Mpa；DN100~DN250≤1.0Mpa；DN300~DN1200≤0.6Mpa；高压可订制。

流量测量范围：流量测量范围对应流速范围是0.1~15m/s

供电电源：85~256V，45~63Hz

直管段长度：上游≥5D，下游≥2D。

连接方式：电磁流量计与配管之间均采用法兰连接，法兰连接尺寸应符合GB11988的规定。

消耗总功率：小于20W

环境温度：-25℃~60℃

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