EJA电磁流量计如何设置

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电磁流量计测量管道水常见问题及安装错误避免方法：
电磁流量计使用中的常见故障，有的是由于仪表本身元器件损坏引起的故障，有的是由于选用不当、安装不妥、环境条件、流体特性等因素造成的故障，如显示波动、精度下降甚至仪表损坏等。它一般可以分为两种类型：安装调试时出现的故障（调试期故障）和正常运行时出现的故障（运行期故障）。
2.调试期故障
调试期待故障一般出现在仪表安装调试阶段，一经排除，在以后相同条件下不会再出现。常见的调试期故障通常由安装不妥、环境干扰以及流体特性影响等原因引起。
1、安装方面
通常是电磁流量传感器安装位置不正确引起的故障，常见的如将传感器安装在易积聚气体的管系最高点；或安装在自上而下的垂直管上，可能出现排空；或传感器后无背压，流体直接排入大气而形成测量管内非满管。
(EJA电磁流量计如何设置)

2应用规范(略)
成都旋进旋涡流量计价格
本规范运用下列符编制上海4000118588点领域产业15规划
符参数单位
B磁通密度T
D丈量管内径m
K校准系数m
Le丈量电极之间间隔m
U液体?000118588m/s
V流量(电动势)V
k常数(无量纲)
qv液体的体积流量m3/s
当液体在磁场中运动时，依据法拉第定律产生感应电动势(见图1)。假如磁场垂直于活动液体的电绝缘管道，而液体的电导率又不太低，6压力损失小
则装在管壁上的两个电极之间可丈量到一个电压，这电压同磁通量密度、液体的均匀流速以及两个电极之间的间隔成正比。这样，就能够测得液体的流速，进而测得液体的流量。
(EJA电磁流量计如何设置)

公称通径（mm）
（特殊规格可定制）
管道式四氟衬里：DN200～DN2100
管道式橡胶衬里：DN200～DN1200
流动方向：
正，反，净流量
重复性误差：
测量值的±0.1%
精度等级：
管道式：1.5级，2.0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：
（高压可定制）
DN6－DN80：≤1.6MPa
DN100－DN250：≤1.0MPa
DN300－DN1200：≤0.6MPa
流速范围：
0.1－15m/s
电导率范围：
被测流体电导率≥5μs/cm
电流输出：
(EJA电磁流量计如何设置)

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