72F50-SE0AA1DAA4AA，72F40-SE0AA1DAA4AA：E+H恩格斯豪斯德國品牌，渦街流量計72F50-SE0AA1DAA4AA，72F40-SE0AA1DAA4AA流量計，流量計就是在一種計量產品，它符合一般的價值規律，精度越高，價格越高，重量越大，價格越高，功能越多，價格越高，進口的產品比國產的貴。
　

72F50-SE0AA1DAA4AA，72F40-SE0AA1DAA4AA：E+H恩格斯豪斯德國品牌，渦街流量計72F50-SE0AA1DAA4AA，72F40-SE0AA1DAA4AA流量計，流量計就是在一種計量產品，它符合一般的價值規律，精度越高，價格越高，重量越大，價格越高，功能越多，價格越高，進口的產品比國產的貴。
　　既然說到選型原則，那么必然要考慮功能、價格各方面的因素。比如說用戶只要測量一個四寸管道的水的瞬時流量，那么大部分的流量計都可以滿足測量要求，格的數百元，zui高價格的可能數十萬，就只能看用戶怎么選擇了。   流量計選型原則：

　測量液體 測量氣體 都有不同的流量計適用。
　　簡單說一下適用的情況吧 按照同口徑價格從低到高排列
　　測量液體 玻璃轉子流量計 孔板 橢圓齒輪流量計 渦輪流量計 金屬轉子流量計 電磁流量計 渦街流量計 超聲波流量計 質量流量計
　　測量氣體 玻璃轉子流量計 孔板 金屬轉子流量計 渦輪流量計 渦街流量計
 

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72F50-SE0AA1DAA4AA       72F40-SE0AA1DAA4AA    德國E+H    E+H超聲波流量計    恩格斯豪斯