SIEMENS流量计现货直销中 我公司在东莞南城区旺南路旺南大厦14楼13A11,地处繁华路段,临近富民步行街与金融街。本公司长期经销西门子流量计等产品,不仅价格好质量优我们的货期也是十分有优势的。我公司在德国美国设有公司,所有产品均是直接从国外厂家直接采购。欢迎您!
SIEMENS管段式超声波流量仪表是以“速度差法”为原理,测量圆管内液体流量的仪表。它采用了良好的多脉冲技术、信号数字化处理技术及纠错技术,使流量仪表更能适应工业现场的环境,计量更方便、经济、准确。产品达到*水平,可广泛应用于石油、化工、冶金、电力、给排水等领域。
SIEMENS超声波流量计是通过检测流体流动对超声束(或超声脉冲)的作用以测量流量的仪表。
原理
根据对信号检测的原理超声流量计可分为传播速度差法(直接时差法、时差法、相位差法和频差法)、波束偏移法、多普勒法、互相关法、空间滤法及噪声法等。
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SIEMENS流量计现货直销中
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SIEMENS超声波流量计由超声波换能器、电子线路及流量显示和累积系统三部分组成。超声波发射换能器将电能转换为超声波能量,并将其发射到被测流体中,接收器接收到的超声波信号,经电子线路放大并转换为代表流量的电信号供给显示和积算仪表进行显示和积算。这样就实现了流量的检测和显示。
SIEMENS超声波流量计常用压电换能器。它利用压电材料的压电效应,采用适出的发射电路把电能加到发射换能器的压电元件上,使其产生超声波振劝。超声波以某一角度射入流体中传播,然后由接收换能器接收,并经压电元件变为电能,以便检测。发射换能器利用压电元件的逆压电效应,而接收换能器则是利用压电效应。
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