武汉德科玛科技有限公司 联系人：梁佩 电话：027-59846351 手机： 传真：027-88068180 q q: 1963375556 地址：武昌区巡司河路汇文新都d区3栋1单元802室 网站：www.whdkm.com 横河eja 详细介绍：eja110a/130a 差压变送器；eja120a 微差压变送器；eja210a/220a差压变送器法兰型；eja118w/n/y 远传法兰型；eja430a/440a 压力变送器；eja510a/530a 绝对压力/压力变送器；eja438w/n 压力变送器远传法兰型；eja115 微小流量变送器；eja213/223 卫生型液位变送器；eja113w/433w 卫生型隔膜密封式差压变送器；eja 系列hart通讯变送器；eja系列ff现场总线通讯变送器；bt200 手持智能终端；1、 先进的工作原理 采用微电子加工技术（mems)在一个单晶硅芯片表面的中心和边缘制作 两个形状、尺寸、材质完全一致的h形状的谐振梁，谐振梁在自激振荡回路中作高频振荡。 单晶硅片的上下表面受到的压力不等时，将产生形变，导致中心谐振梁 因压缩力而频率减小，边缘谐振因受拉伸力而频率增加。 两频率之差信号直接送到cpu进行数据处理，然后（1）经d/a转换成4-20ma输出信号，通讯时叠加brain或hart数字信号； （2）直接输出符合现场总线（fieldbus foundation tm）标准的数字信号。 2、 优异的性能 静压影响忽略不计 当加有静压（工作压力）时，两形状、尺寸、材质完全一致的谐振梁形变相同， 故频率变化也一致，故偏差自动清除（公式和图类似温度影响）。 单向过压特性优异接液膜片与膜盒本体采用独创的波纹加工技术，使外部压力增大到某一数值时， 接液膜片能与本体完全接触，硅油传递给传感器的压力不再随外力的增加而增 加，从而达到对传感器的保护作用。 横河eja530系列压力变送器 eja530a-das4n-09de eja530a-eas4n-09de eja530a-dbs4n-09de eja530a-ebs4n-09de eja530a-dcs4n-09deeja530a-ecs4n-09de eja530a-dds4n-09de eja530a-eds4n-09de eja530a-das4n-02de eja530a-eas4n-02de eja530a-dbs4n-02de eja530a-ebs4n-02de eja530a-dcs4n-02de eja530a-ecs4n-02de eja530a-dds4n-02deeja530a-eds4n-02de eja530a-das4n-09ne eja530a-eas4n-09ne eja530a-dbs4n-09ne eja530a-ebs4n-09ne eja530a-dcs4n-09ne eja530a-ecs4n-09ne eja530a-dds4n-09ne eja530a-eds4n-09ne eja530a-das4n-02neeja530a-eas4n-02ne eja530a-dbs4n-02ne eja530a-ebs4n-02ne eja530a-dcs4n-02ne eja530a-ecs4n-02ne eja530a-dds4n-02ne eja530a-eds4n-02ne eja530a-das7n-09de eja530a-eas7n-09de eja530a-dbs7n-09deeja530a-ebs7n-09de eja530a-dcs7n-09de eja530a-ecs7n-09de eja530a-dds7n-09de eja530a-eds7n-09de eja530a-das7n-02de eja530a-eas7n-02de eja530a-dbs7n-02de eja530a-ebs7n-02de eja530a-dcs7n-02deeja530a-ecs7n-02de eja530a-dds7n-02de eja530a-eds7n-02de eja530a-das7n-09ne eja530a-eas7n-09ne eja530a-dbs7n-09ne eja530a-ebs7n-09ne eja530a-dcs7n-09ne eja530a-ecs7n-09ne eja530a-dds7n-09neeja530a-eds7n-09ne eja530a-das7n-02ne eja530a-eas7n-02ne eja530a-dbs7n-02ne eja530a-ebs7n-02ne 横河eja530系列压力变送器 eja530a-dcs7n-02ne eja530a-ecs7n-02ne eja530a-dds7n-02ne eja530a-eds7n-02neeja530a-das9n-09de eja530a-eas9n-09de eja530a-dbs9n-09de eja530a-ebs9n-09de eja530a-dcs9n-09de eja530a-ecs9n-09de eja530a-dds9n-09de eja530a-eds9n-09de eja530a-das9n-02de eja530a-eas9n-02deeja530a-dbs9n-02de eja530a-ebs9n-02de eja530a-dcs9n-02de eja530a-ecs9n-02de eja530a-dds9n-02de eja530a-eds9n-02de eja530a-das9n-09ne eja530a-eas9n-09ne eja530a-dbs9n-09ne eja530a-ebs9n-09neeja530a-dcs9n-09ne eja530a-ecs9n-09ne eja530a-dds9n-09ne eja530a-eds9n-09ne eja530a-das9n-02ne eja530a-eas9n-02ne eja530a-dbs9n-02ne eja530a-ebs9n-02ne eja530a-dcs9n-02ne eja530a-ecs9n-02neeja530a-dds9n-02ne eja530a-eds9n-02ne eja530a-das4n-09dn eja530a-eas4n-09dn eja530a-dbs4n-09dn eja530a-ebs4n-09dn eja530a-dcs4n-09dn eja530a-ecs4n-09dn eja530a-dds4n-09dn eja530a-eds4n-09dneja530a-das4n-02dn eja530a-eas4n-02dn eja530a-dbs4n-02dn eja530a-ebs4n-02dn eja530a-dcs4n-02dn eja530a-ecs4n-02dn eja530a-dds4n-02dn eja530a-eds4n-02dn eja530a-das4n-09nn eja530a-eas4n-09nneja530a-dbs4n-09nn eja530a-ebs4n-09nn eja530a-dcs4n-09nn eja530a-ecs4n-09nn eja530a-dds4n-09nn eja530a-eds4n-09nn eja530a-das4n-02nn eja530a-eas4n-02nn eja530a-dbs4n-02nn eja530a-ebs4n-02nneja530a-dcs4n-02nn eja530a-ecs4n-02nn eja530a-dds4n-02nn eja530a-eds4n-02nn 横河eja530系列压力变送器 eja530a-das7n-09dn eja530a-eas7n-09dn eja530a-dbs7n-09dn eja530a-ebs7n-09dn eja530a-dcs7n-09dneja530a-ecs7n-09dn eja530a-dds7n-09dn eja530a-eds7n-09dn eja530a-das7n-02dn eja530a-eas7n-02dn eja530a-dbs7n-02dn eja530a-ebs7n-02dn eja530a-dcs7n-02dn eja530a-ecs7n-02dn eja530a-dds7n-02dneja530a-eds7n-02dn eja530a-das7n-09nn eja530a-eas7n-09nn eja530a-dbs7n-09nn eja530a-ebs7n-09nn eja530a-dcs7n-09nn eja530a-ecs7n-09nn eja530a-dds7n-09nn eja530a-eds7n-09nn eja530a-das7n-02nneja530a-eas7n-02nn eja530a-dbs7n-02nn eja530a-ebs7n-02nn eja530a-dcs7n-02nn eja530a-ecs7n-02nn eja530a-dds7n-02nn eja530a-eds7n-02nn eja530a-das9n-09dn eja530a-eas9n-09dn eja530a-dbs9n-09dneja530a-ebs9n-09dn eja530a-dcs9n-09dn eja530a-ecs9n-09dn eja530a-dds9n-09dn eja530a-eds9n-09dn eja530a-das9n-02dn eja530a-eas9n-02dn eja530a-dbs9n-02dn eja530a-ebs9n-02dn eja530a-dcs9n-02dneja530a-ecs9n-02dn eja530a-dds9n-02dn eja530a-eds9n-02dn eja530a-das9n-09nn eja530a-eas9n-09nn eja530a-dbs9n-09nn eja530a-ebs9n-09nn eja530a-dcs9n-09nn eja530a-ecs9n-09nn eja530a-dds9n-09nneja530a-eds9n-09nn eja530a-das9n-02nn eja530a-eas9n-02nn eja530a-dbs9n-02nn eja530a-ebs9n-02nn eja530a-dcs9n-02nn eja530a-ecs9n-02nn eja530a-dds9n-02nn eja530a-eds9n-02nn 横河eja530系列压力变送器eja530a-das4n-09de/nf1 eja530a-eas4n-09de/nf1 eja530a-dbs4n-09de/nf1 eja530a-ebs4n-09de/nf1 eja530a-dcs4n-09de/nf1 eja530a-ecs4n-09de/nf1 eja530a-dds4n-09de/nf1 eja530a-eds4n-09de/nf1eja530a-das4n-02de/nf1 eja530a-eas4n-02de/nf1 eja530a-dbs4n-02de/nf1 eja530a-ebs4n-02de/nf1 eja530a-dcs4n-02de/nf1 eja530a-ecs4n-02de/nf1 eja530a-dds4n-02de/nf1 eja530a-eds4n-02de/nf1eja530a-das4n-09ne/nf1 eja530a-eas4n-09ne/nf1 eja530a-dbs4n-09ne/nf1 eja530a-ebs4n-09ne/nf1 eja530a-dcs4n-09ne/nf1 eja530a-ecs4n-09ne/nf1 eja530a-dds4n-09ne/nf1 eja530a-eds4n-09ne/nf1eja530a-das4n-02ne/nf1 eja530a-eas4n-02ne/nf1 eja530a-dbs4n-02ne/nf1 eja530a-ebs4n-02ne/nf1 eja530a-dcs4n-02ne/nf1 eja530a-ecs4n-02ne/nf1 eja530a-dds4n-02ne/nf1 eja530a-eds4n-02ne/nf1eja530a-das7n-09de/nf1 eja530a-eas7n-09de/nf1 eja530a-dbs7n-09de/nf1 eja530a-ebs7n-09de/nf1 eja530a-dcs7n-09de/nf1 eja530a-ecs7n-09de/nf1 eja530a-dds7n-09de/nf1 eja530a-eds7n-09de/nf1eja530a-das7n-02de/nf1 eja530a-eas7n-02de/nf1 eja530a-dbs7n-02de/nf1 eja530a-ebs7n-02de/nf1 eja530a-dcs7n-02de/nf1 eja530a-ecs7n-02de/nf1 eja530a-dds7n-02de/nf1 eja530a-eds7n-02de/nf1eja530a-das7n-09ne/nf1 eja530a-eas7n-09ne/nf1 eja530a-dbs7n-09ne/nf1 eja530a-ebs7n-09ne/nf1 eja530a-dcs7n-09ne/nf1 eja530a-ecs7n-09ne/nf1 eja530a-dds7n-09ne/nf1 eja530a-eds7n-09ne/nf1eja530a-das7n-02ne/nf1 eja530a-eas7n-02ne/nf1 eja530a-dbs7n-02ne/nf1 eja530a-ebs7n-02ne/nf1 eja530a-dcs7n-02ne/nf1 eja530a-ecs7n-02ne/nf1 eja530a-dds7n-02ne/nf1 eja530a-eds7n-02ne/nf1eja530a-das9n-09de/nf1 eja530a-eas9n-09de/nf1 横河eja530系列压力变送器 eja530a-dbs9n-09de/nf1 eja530a-ebs9n-09de/nf1 eja530a-dcs9n-09de/nf1 eja530a-ecs9n-09de/nf1 eja530a-dds9n-09de/nf1 eja530a-eds9n-09de/nf1eja530a-das9n-02de/nf1 eja530a-eas9n-02de/nf1 eja530a-dbs9n-02de/nf1 eja530a-ebs9n-02de/nf1 eja530a-dcs9n-02de/nf1 eja530a-ecs9n-02de/nf1 eja530a-dds9n-02de/nf1 eja530a-eds9n-02de/nf1eja530a-das9n-09ne/nf1 eja530a-eas9n-09ne/nf1 eja530a-dbs9n-09ne/nf1 eja530a-ebs9n-09ne/nf1 eja530a-dcs9n-09ne/nf1 eja530a-ecs9n-09ne/nf1 eja530a-dds9n-09ne/nf1 eja530a-eds9n-09ne/nf1eja530a-das9n-02ne/nf1 eja530a-eas9n-02ne/nf1 eja530a-dbs9n-02ne/nf1 eja530a-ebs9n-02ne/nf1 eja530a-dcs9n-02ne/nf1 eja530a-ecs9n-02ne/nf1 eja530a-dds9n-02ne/nf1 eja530a-eds9n-02ne/nf1eja530a-das4n-09dn/nf1 eja530a-eas4n-09dn/nf1 eja530a-dbs4n-09dn/nf1 eja530a-ebs4n-09dn/nf1 eja530a-dcs4n-09dn/nf1 eja530a-ecs4n-09dn/nf1 eja530a-dds4n-09dn/nf1 eja530a-eds4n-09dn/nf1eja530a-das4n-02dn/nf1 eja530a-eas4n-02dn/nf1 eja530a-dbs4n-02dn/nf1 eja530a-ebs4n-02dn/nf1 eja530a-dcs4n-02dn/nf1 eja530a-ecs4n-02dn/nf1 eja530a-dds4n-02dn/nf1 eja530a-eds4n-02dn/nf1eja530a-das4n-09nn/nf1 eja530a-eas4n-09nn/nf1 eja530a-dbs4n-09nn/nf1 eja530a-ebs4n-09nn/nf1 eja530a-dcs4n-09nn/nf1 eja530a-ecs4n-09nn/nf1 eja530a-dds4n-09nn/nf1 eja530a-eds4n-09nn/nf1eja530a-das4n-02nn/nf1 eja530a-eas4n-02nn/nf1 eja530a-dbs4n-02nn/nf1 eja530a-ebs4n-02nn/nf1 eja530a-dcs4n-02nn/nf1 eja530a-ecs4n-02nn/nf1 eja530a-dds4n-02nn/nf1 eja530a-eds4n-02nn/nf1eja530a-das7n-09dn/nf1 eja530a-eas7n-09dn/nf1 eja530a-dbs7n-09dn/nf1 eja530a-ebs7n-09dn/nf1 eja530a-dcs7n-09dn/nf1 eja530a-ecs7n-09dn/nf1 eja530a-dds7n-09dn/nf1 eja530a-eds7n-09dn/nf1eja530a-das7n-02dn/nf1 eja530a-eas7n-02dn/nf1 eja530a-dbs7n-02dn/nf1 eja530a-ebs7n-02dn/nf1 eja530a-dcs7n-02dn/nf1 eja530a-ecs7n-02dn/nf1 eja530a-dds7n-02dn/nf1 eja530a-eds7n-02dn/nf1eja530a-das7n-09nn/nf1 eja530a-eas7n-09nn/nf1 eja530a-dbs7n-09nn/nf1 eja530a-ebs7n-09nn/nf1 eja530a-dcs7n-09nn/nf1 eja530a-ecs7n-09nn/nf1 eja530a-dds7n-09nn/nf1 eja530a-eds7n-09nn/nf1eja530a-das7n-02nn/nf1 eja530a-eas7n-02nn/nf1 eja530a-dbs7n-02nn/nf1 eja530a-ebs7n-02nn/nf1 eja530a-dcs7n-02nn/nf1 eja530a-ecs7n-02nn/nf1 eja530a-dds7n-02nn/nf1 横河eja530系列压力变送器 eja530a-eds7n-02nn/nf1eja530a-das9n-09dn/nf1 eja530a-eas9n-09dn/nf1 eja530a-dbs9n-09dn/nf1 eja530a-ebs9n-09dn/nf1 eja530a-dcs9n-09dn/nf1 eja530a-ecs9n-09dn/nf1 eja530a-dds9n-09dn/nf1 eja530a-eds9n-09dn/nf1eja530a-das9n-02dn/nf1 eja530a-eas9n-02dn/nf1 eja530a-dbs9n-02dn/nf1 eja530a-ebs9n-02dn/nf1 eja530a-dcs9n-02dn/nf1 eja530a-ecs9n-02dn/nf1 eja530a-dds9n-02dn/nf1 eja530a-eds9n-02dn/nf1eja530a-das9n-09nn/nf1 eja530a-eas9n-09nn/nf1 eja530a-dbs9n-09nn/nf1 eja530a-ebs9n-09nn/nf1 eja530a-dcs9n-09nn/nf1 eja530a-ecs9n-09nn/nf1 eja530a-dds9n-09nn/nf1 eja530a-eds9n-09nn/nf1eja530a-das9n-02nn/nf1 eja530a-eas9n-02nn/nf1 eja530a-dbs9n-02nn/nf1 eja530a-ebs9n-02nn/nf1 eja530a-dcs9n-02nn/nf1 eja530a-ecs9n-02nn/nf1 eja530a-dds9n-02nn/nf1 eja530a-eds9n-02nn/nf1eja530a-das4n-09de/ns1 eja530a-eas4n-09de/ns1 eja530a-dbs4n-09de/ns1 eja530a-ebs4n-09de/ns1 eja530a-dcs4n-09de/ns1 eja530a-ecs4n-09de/ns1 eja530a-dds4n-09de/ns1 eja530a-eds4n-09de/ns1eja530a-das4n-02de/ns1 eja530a-eas4n-02de/ns1 eja530a-dbs4n-02de/ns1 eja530a-ebs4n-02de/ns1 eja530a-dcs4n-02de/ns1 eja530a-ecs4n-02de/ns1 eja530a-dds4n-02de/ns1 eja530a-eds4n-02de/ns1eja530a-das4n-09ne/ns1 eja530a-eas4n-09ne/ns1 eja530a-dbs4n-09ne/ns1 eja530a-ebs4n-09ne/ns1 eja530a-dcs4n-09ne/ns1 eja530a-ecs4n-09ne/ns1 eja530a-dds4n-09ne/ns1 eja530a-eds4n-09ne/ns1eja530a-das4n-02ne/ns1 eja530a-eas4n-02ne/ns1 eja530a-dbs4n-02ne/ns1 eja530a-ebs4n-02ne/ns1 eja530a-dcs4n-02ne/ns1 eja530a-ecs4n-02ne/ns1 eja530a-dds4n-02ne/ns1 eja530a-eds4n-02ne/ns1eja530a-das7n-09de/ns1 横河eja530系列压力变送器 eja530a-eas7n-09de/ns1 eja530a-dbs7n-09de/ns1 eja530a-ebs7n-09de/ns1 eja530a-dcs7n-09de/ns1 eja530a-ecs7n-09de/ns1 eja530a-dds7n-09de/ns1 eja530a-eds7n-09de/ns1eja530a-das7n-02de/ns1 eja530a-eas7n-02de/ns1 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eja530a-ecs9n-09ne/ns1 eja530a-dds9n-09ne/ns1 eja530a-eds9n-09ne/ns1eja530a-das9n-02ne/ns1 eja530a-eas9n-02ne/ns1 eja530a-dbs9n-02ne/ns1 eja530a-ebs9n-02ne/ns1 eja530a-dcs9n-02ne/ns1 eja530a-ecs9n-02ne/ns1 eja530a-dds9n-02ne/ns1 eja530a-eds9n-02ne/ns1eja530a-das4n-09dn/ns1 eja530a-eas4n-09dn/nf1 eja530a-dbs4n-09dn/ns1 eja530a-ebs4n-09dn/ns1 eja530a-dcs4n-09dn/ns1 eja530a-ecs4n-09dn/ns1 eja530a-dds4n-09dn/ns1 eja530a-eds4n-09dn/ns1eja530a-das4n-02dn/ns1 eja530a-eas4n-02dn/nf1 eja530a-dbs4n-02dn/ns1 eja530a-ebs4n-02dn/ns1 eja530a-dcs4n-02dn/ns1 eja530a-ecs4n-02dn/ns1 eja530a-dds4n-02dn/ns1 eja530a-eds4n-02dn/ns1eja530a-das4n-09nn/ns1 eja530a-eas4n-09nn/nf1 eja530a-dbs4n-09nn/ns1 eja530a-ebs4n-09nn/ns1 eja530a-dcs4n-09nn/ns1 横河eja530系列压力变送器 eja530a-ecs4n-09nn/ns1 eja530a-dds4n-09nn/ns1 eja530a-eds4n-09nn/ns1eja530a-das4n-02nn/ns1 eja530a-eas4n-02nn/nf1 eja530a-dbs4n-02nn/ns1 eja530a-ebs4n-02nn/ns1 eja530a-dcs4n-02nn/ns1 eja530a-ecs4n-02nn/ns1 eja530a-dds4n-02nn/ns1 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eja530a-ecs9n-02dn/ns1 eja530a-dds9n-02dn/ns1 eja530a-eds9n-02dn/ns1 eja530a-das9n-09nn/ns1 eja530a-eas9n-09nn/nf1 eja530a-dbs9n-09nn/ns1eja530a-ebs9n-09nn/ns1 eja530a-dcs9n-09nn/ns1 eja530a-ecs9n-09nn/ns1 eja530a-dds9n-09nn/ns1 eja530a-eds9n-09nn/ns1 eja530a-das9n-02nn/ns1 eja530a-eas9n-02nn/nf1 eja530a-dbs9n-02nn/ns1eja530a-ebs9n-02nn/ns1 eja530a-dcs9n-02nn/ns1 eja530a-ecs9n-02nn/ns1 eja530a-dds9n-02nn/ns1 eja530a-eds9n-02nn/ns1

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