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src="/skins/113110/images/ny_banner1.jpg" /></div>  <script src="http://www.ybzhan.cn/mystat.aspx?u=keyontechs"></script>  <div id="lcxnofc3dnv0" class="ly_crumb"> <img src="/skins/113110/images/crumb_icon.png" /><p>當(dāng)前位置：<a href="/">首頁(yè)</a> > <a href="/news.html">新聞中心</a> > <span>A+K調(diào)整型孔板流量計(jì)的主要特點(diǎn)及出現(xiàn)誤差時(shí)的處理方法</span></p> </div>   <div id="lcxnofc3dnv0" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">A+K調(diào)整型孔板流量計(jì)的主要特點(diǎn)及出現(xiàn)誤差時(shí)的處理方法</h1> <div id="lcxnofc3dnv0" class="NyNewsdetail_tips">更新時(shí)間：2022-12-12 點(diǎn)擊次數(shù)：596</div> <div id="lcxnofc3dnv0" class="NyNewsdetail_con"> <div>　　<a href="http://lovenl.cn/ParentList-913159.html" target="_blank">A+K調(diào)整型孔板流量計(jì)</a>主要由超聲波發(fā)生器、超聲波接收器、電子線路、流量顯示、累積系統(tǒng)幾大部分構(gòu)成。其中，超聲波發(fā)生器主要用于產(chǎn)生超聲波并將其發(fā)射到流體中；超聲波接收器主要用于接受通過(guò)流體后的超聲波；超聲波被接收到后經(jīng)電子線路的放大、轉(zhuǎn)換等處理后以電信號(hào)的形式將流量傳送給顯示屏并將結(jié)果顯示出來(lái)；累積系統(tǒng)完成流量的累加計(jì)算。</div><div> </div><p align="center"><img src="https://img67.ybzhan.cn/9/20221206/638059162783844538364.png" width="428" height="440" align="middle" alt="" /></p><p> </p><div>　　下面要為大家介紹的是A+K調(diào)整型孔板流量計(jì)的主要技術(shù)特點(diǎn)：</div><div> </div><div>　　1、以測(cè)量聲波在流動(dòng)介質(zhì)中傳播的時(shí)間與流量的關(guān)系為原理，通常認(rèn)為聲波在流體中的實(shí)際傳播速度是由介質(zhì)靜止?fàn)顟B(tài)下聲波的傳播速度和流體軸向平均流速在聲波傳播方向上的分量組成。本流量計(jì)由于采用了高分辨率時(shí)間測(cè)量技術(shù)和超聲信號(hào)數(shù)字化處理技術(shù)，因此其對(duì)超聲傳播時(shí)間的測(cè)量準(zhǔn)確度得到有效保證。</div><div> </div><div>　　2、基本測(cè)量原理可知，儀表對(duì)于超聲波在被測(cè)介質(zhì)中傳播時(shí)間的測(cè)量精度，在很大程度上，影響著流量測(cè)量的精度，其測(cè)量精度在0.5%，充分滿足了測(cè)量準(zhǔn)確度的需求，具有同類超聲波流量計(jì)的技術(shù)優(yōu)勢(shì)。</div><div> </div><div>　　3、由于被測(cè)介質(zhì)中所含有的氣泡或固體顆粒，對(duì)超聲信號(hào)傳輸以及儀表測(cè)量會(huì)造成一定程度的干擾，采用時(shí)差和多普勒相關(guān)原理，一臺(tái)儀表就能滿足用戶需求。</div><div> </div><div>　　那么當(dāng)A+K調(diào)整型孔板流量計(jì)出現(xiàn)讀數(shù)不準(zhǔn)確，誤差大時(shí)該如何處理呢？</div><div> </div><div>　　1、傳感器裝在水平管道的頂部和底部的沉淀物干擾超聲波信號(hào)。解決方法：將傳感器裝在管道兩側(cè)。</div><div> </div><div>　　2、傳感器裝在水流向下的管道上，管內(nèi)未充滿流體。解決方法：將傳感器裝在充滿流體的管段上。</div><div> </div><div>　　3、存在使流態(tài)強(qiáng)列烈波動(dòng)的裝置如：文氏管、孔板、渦街流量計(jì)、渦輪流量計(jì)或部分關(guān)閉的閥門，正好在傳感器發(fā)射和接收的范圍內(nèi)，使讀數(shù)不準(zhǔn)確。解決方法：將傳感器裝在遠(yuǎn)離上述裝置的地方，傳感器上游距上述裝置30D，下游距上述裝置10D或移至上述裝置的上游。</div><div> </div><div>　　4、輸入管徑與管道內(nèi)徑不匹配。解決方法：修改管徑，使之匹配。</div> </div> <div id="lcxnofc3dnv0" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/News-389902.html">均速板流量計(jì)在測(cè)量中出現(xiàn)誤差的原因分析</a></li> <li>下一篇：<a href="/News-386513.html">砥礪三十載，共筑百年夢(mèng)——科洋三十周年慶典華麗綻放！</a></li> </ul> </div> </div>   <div id="lcxnofc3dnv0" class="ly_foot"> <div id="lcxnofc3dnv0" class="ly_Ftmain"> <div id="lcxnofc3dnv0" class="ly_Ftcon"> <div id="lcxnofc3dnv0" class="ly_FtLeft"> <ul> <li> <div id="lcxnofc3dnv0" class="Ft_tit">關(guān)于我們</div> <a href="/aboutus.html" rel="nofollow">公司簡(jiǎn)介</a> <a href="/news.html">新聞中心</a> <a href="/article.html">技術(shù)文章</a> </li> <li> <div id="lcxnofc3dnv0" class="Ft_tit">產(chǎn)品中心</div> <a 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