1.超声波流量计工作原理 封闭管道用超声波流量计按测量原理分类有：时间传播法、多普勒效应法、波束偏移法、相关法、噪声法。其中时间传播法又可分为时差法、相位差法、频差法。目前应用于空调水系统中的超声波流量计的测量原理主要有时差法和多普勒效应法。 1.1 时差式超声波流量计测量原理
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超声波流量计实时信息，超声波流量计资料下载，超声波流量计价格，相信大连索尼卡—流量测量问题轻松解决。
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