怎樣使用超聲波流量計(jì)零點(diǎn)切除避免無(wú)效累積： 窗口41中的數(shù)據(jù)稱(chēng)為低流速切除值。流量計(jì)把流速絕對(duì)值低于此值的流量視為“0”對(duì)待。這樣可設(shè)置此參數(shù)，避免真實(shí)流量為“0”時(shí)，流量計(jì)產(chǎn)生的測(cè)量誤差進(jìn)行虛假的累積。一般情況下，設(shè)置此參數(shù)為0.03m/s。 當(dāng)管道流體的實(shí)際流速大于低流速切除值后，低流速切除值和測(cè)量結(jié)果無(wú)關(guān)，絕不影響測(cè)量結(jié)果。
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2013年8月8日
怎樣使用超聲波流量計(jì)零點(diǎn)切除避免無(wú)效累積
Tags: 怎樣使用超聲波流量計(jì)零點(diǎn)切除避免無(wú)效累積
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