72F50-SE0AA1DAA4AA，72F40-SE0AA1DAA4AA：E+H恩格斯豪斯德國(guó)品牌，渦街流量計(jì)72F50-SE0AA1DAA4AA，72F40-SE0AA1DAA4AA流量計(jì)，流量計(jì)就是在一種計(jì)量產(chǎn)品，它符合一般的價(jià)值規(guī)律，精度越高，價(jià)格越高，重量越大，價(jià)格越高，功能越多，價(jià)格越高，進(jìn)口的產(chǎn)品比國(guó)產(chǎn)的貴。
　

72F50-SE0AA1DAA4AA，72F40-SE0AA1DAA4AA：E+H恩格斯豪斯德國(guó)品牌，渦街流量計(jì)72F50-SE0AA1DAA4AA，72F40-SE0AA1DAA4AA流量計(jì)，流量計(jì)就是在一種計(jì)量產(chǎn)品，它符合一般的價(jià)值規(guī)律，精度越高，價(jià)格越高，重量越大，價(jià)格越高，功能越多，價(jià)格越高，進(jìn)口的產(chǎn)品比國(guó)產(chǎn)的貴。
　　既然說(shuō)到選型原則，那么必然要考慮功能、價(jià)格各方面的因素。比如說(shuō)用戶(hù)只要測(cè)量一個(gè)四寸管道的水的瞬時(shí)流量，那么大部分的流量計(jì)都可以滿足測(cè)量要求，格的數(shù)百元，zui高價(jià)格的可能數(shù)十萬(wàn)，就只能看用戶(hù)怎么選擇了。   流量計(jì)選型原則：

　測(cè)量液體 測(cè)量氣體 都有不同的流量計(jì)適用。
　　簡(jiǎn)單說(shuō)一下適用的情況吧 按照同口徑價(jià)格從低到高排列
　　測(cè)量液體 玻璃轉(zhuǎn)子流量計(jì) 孔板 橢圓齒輪流量計(jì) 渦輪流量計(jì) 金屬轉(zhuǎn)子流量計(jì) 電磁流量計(jì) 渦街流量計(jì) 超聲波流量計(jì) 質(zhì)量流量計(jì)
　　測(cè)量氣體 玻璃轉(zhuǎn)子流量計(jì) 孔板 金屬轉(zhuǎn)子流量計(jì) 渦輪流量計(jì) 渦街流量計(jì)
 

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