時(shí)差法超聲波流量計(jì)的原理和設(shè)計(jì)1、 引言 超聲波用于氣體和流體的流速測(cè)量有許多優(yōu)點(diǎn)。和傳統(tǒng)的機(jī)械式流量儀表、電磁式流量儀表相比它的計(jì)量精度高、對(duì)管徑的適應(yīng)性強(qiáng)、非接觸流體、使用方便、易于數(shù)字化管理等等。近年來，由于電子技術(shù)的發(fā)展，電子元?dú)饧某杀敬蠓认陆?，使得超聲波流量儀表的制造成本大大降低，超聲波流量計(jì)也開始普及起來。經(jīng)常有讀者回詢問
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2010年5月12日
時(shí)差法超聲波流量計(jì)的原理和設(shè)計(jì)
Tags: 超聲波流量計(jì)的原理和設(shè)計(jì)
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