Endress+Hauser Prowirl Product Presentation 涡街的历史 涡街形成的原理 涡街流量计的功能 涡街流量计测量原理 f = 涡街频率 V = 体积流量 传感器原理 Prowirl 77 差动电容式传感器 抗震动干扰 不易被阻塞 涡街流量计的应用 蒸汽 气体 液体 冷热介质的保温 电容式传感器 Prowirl 77 经验证的专利传感器 高抗振性能(1g,500Hz) 耐热冲击和水锤 所有口径传感器相同 不受介质含颗粒影响 Features of Prowirl 77 sensors 电容式传感器 抗振 长期稳定 耐温度冲击 抗水锤冲击 宽量程比 高精度 灵活的组态方式 防爆类型 Ex i-型 两线制 适用于所有电气类型 电子部分和传感器可以在危险场合更换 可在危险场合设定和维护 Ex d-型 接线腔防爆 电子部分和传感器属本安等级, 故: 电子部分和传感器可以在危险场合更换 可在危险场合设定和维护 ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ _______________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ _______________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ _______________________________________________ ______________________________________________________________________________________________ ______________________________________________________________________________________________ __
EH涡街流量计培训资料.ppt
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