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class="home-main container clearfix"><div id="6ttqp2h" class="twoCol"><div id="c3o8dax" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_gydqew/">高壓電器</a>?<a href="http://www.cdcfah.com/cp/third-gydqew_gykggek/">高壓開關柜</a>?眉山壓力儀表批發(fā) 貼心服務成都皖川科技供應</p><div id="0qs3i8a" class="leftbox clearfix"><h1>眉山壓力儀表批發(fā) 貼心服務成都皖川科技供應</h1><div id="aeb23oq" class="proBig"><div id="cf8p7fh" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637107308087539062/5775172.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="1ahbxr8" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637107308087539062/5775172.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xovs88g" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>眉山壓力儀表批發(fā),壓力儀表</p><p><span>***更新：</span>2020-09-22 07:05:18</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="vjli2i3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達廣場SOHO公寓2-2-1138室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="noahg27" class="page-proshow02"><p class="title">詳細說明</p><div id="gcjl32q" class="box"><p><p> 壓力的常識： </p> <p> 1、壓力概念：這里的壓力概念，實際上指的是物理學上的壓強，即單位面積上所承受壓力的大小。 </p> <p> 2、壓力的兩種表示方法： </p> <p> ***壓力：以***真空為基準，眉山壓力儀表批發(fā)，高于***真空的壓力； </p> <p> 相對壓力：以大氣壓力作為基準所標示的壓力。 ***壓力=大氣壓力+相對壓力 </p> <p> 壓力表的知識： </p> <p> 1、概念：以大氣壓力為基準，用于測量小于或大于大氣壓力的儀表。 </p> <p> A、壓力表按其測量精確度，可分為精密壓力表、一般壓力表； </p> <p> B、壓力表按其指示壓力的基準不同，眉山壓力儀表批發(fā)，眉山壓力儀表批發(fā)，分為一般壓力表、***壓力表、差壓表； </p> <p> C、壓力表按其測量范圍，分為真空表、壓力真空表、微壓表、低壓表、中壓表及高壓表； </p> <p> D、壓力表按其組成，液柱式，電子式和機械式。眉山壓力儀表批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山壓力儀表批發(fā),壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107308087539062/5775172.jpg"></div><p> 一般壓力表適用于測量無危險，不結(jié)晶，不凝固及對鋼合金不起腐蝕作用的液體、蒸汽和氣體等介質(zhì)的壓力。 </p> <p> <br /> </p> <p> 使用工作溫度：-40℃～70℃，相對溫度不大于 85% </p> <p> 儀表執(zhí)行標準：GB/T1226-2001 </p> <p> <span style="display:none;"></span>壓力表結(jié)構原理 </p> <p> 儀表的測量系統(tǒng)由接頭、彈簧和傳動機構組成。通過指針指示儀表讀數(shù)。 </p> <p> YN系列耐震壓力表具有良好的抗振性能，特別適用于有機械振動和介質(zhì)脈動的工作環(huán)境。耐震壓力表可測量無危險、無結(jié)晶體、不凝固以及對銅合金不起腐蝕作用的液體、氣體、蒸汽等介質(zhì)的壓力。 </p> <p> <br /> 德陽壓力儀表批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山壓力儀表批發(fā),壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107307858222656/70369.jpg"></div><p> 電容式壓力傳感器 </p> <p> 它一般采用圓形金屬薄膜或鍍金屬薄膜作為電容器的一個電極，當薄膜感受壓力而變形時，薄膜與固定電極之間形成的電容量發(fā)生變化，通過測量電路即可輸出與電壓成一定關系的電信號。電容式壓力傳感器屬于極距變化型電容式傳感器，可分為單電容式壓力傳感器和差動電容式壓力傳感器。 </p> <p> <p> 應變式壓力傳感器 </p> <p> 應變式壓力傳感器是壓力傳感器中應用比較多的一種傳感器，它一般用于測量較大的壓力，廣泛應用于測量管道內(nèi)部壓力、內(nèi)燃機燃氣的壓力、壓差和噴射壓力、發(fā)動機和導彈試驗中的脈動壓力，以及各種領域中的流體壓力等。 </p> </p> <br /><p> 誤差的分類 </p> <p> ①***誤差：某被測量的儀表顯示值與約定真值之間的差值。 </p> <p> ②相對誤差：***誤差與約定真值的百分比。 </p> <p> ③引用誤差：***誤差與儀表滿量程的百分比。 </p> <p> ④比較大引用誤差：比較大***誤差與量程的百分比。 </p> <p> ⑤回程誤差：相同條件下，被測量不變，計量器具正反行程不同時其示值之差。 </p> <p> ⑥精度：是衡量儀表測量數(shù)值精確度的重要指標，用比較大引用誤差去掉“±”和“%”表示，其序列為0．005、0．02、0．05、0．1、0．2、1．0、1．5、2．5等。 </p> <p> 誤差分析基礎 </p> <p> 誤差可分為系統(tǒng)誤差、隨機誤差和粗大誤差等。 </p> <p> (1)準確度：測量中系統(tǒng)誤差的反映，表征測量結(jié)果偏離真實值的程度。 </p> <p> 通常認為，測量準確度是一個定性的概念，不宜將其定量化。例如，不宜說準確度為0．25%、16mg或±16mg等。在實際工作中，測量準確度可以用測量結(jié)果對約定真值的偏移來估計。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山壓力儀表批發(fā),壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306626250000/2926369.jpg"></div><p> 機械壓力表中的彈性敏感元件隨著壓力的變化而產(chǎn)生彈性變形。機械壓力表采用彈簧管（波登管），膜片，膜盒及波紋管等敏感元件并按此分類。所測量的壓力一般視為相對壓力。一般相對點選為大氣壓力。彈性元件在介質(zhì)壓力作用下產(chǎn)生的彈性變形，通過壓力表的齒輪傳動機構放大，壓力表就會顯示出相對于大氣壓的相對值(或高或低)。 </p> <p> 在測量范圍內(nèi)的壓力值由指針顯示，刻度盤的指示范圍一般做成270度。 </p> <p> 在工業(yè)過程控制與技術測量過程中，由于機械式壓力表的彈性敏感元件具有很高的機械強度以及生產(chǎn)方便等特性，使得機械式壓力表得到越來越***的應用。廣安壓力儀表推薦</p><p style="text-indent:25px">眉山壓力儀表批發(fā)</p><p> 在工業(yè)過程控制與技術測量過程中，由于機械式壓力表的彈性敏感元件具有很高的機械強度以及生產(chǎn)方便等特性，使得機械式壓力表得到越來越***的應用。 </p> <p> 機械壓力表中的彈性敏感元件隨著壓力的變化而產(chǎn)生彈性變形。機械壓力表采用彈簧管（波登管），膜片，膜盒及波紋管等敏感元件并按此分類。所測量的壓力一般視為相對壓力。一般相對點選為大氣壓力。彈性元件在介質(zhì)壓力作用下產(chǎn)生的彈性變形，通過壓力表的齒輪傳動機構放大，壓力表就會顯示出相對于大氣壓的相對值(或高或低)。眉山壓力儀表批發(fā)</p><p style="text-indent:25px">成都皖川科技有限公司總部位于四川省成都市青羊區(qū)青羊萬達廣場SOHO公寓2-2-1138室，是一家研發(fā)、銷售計算機軟硬件;計算機系統(tǒng)集成;銷售電子產(chǎn)品、儀器儀表、電氣設備、機械設備、閥門、水泵、電線電纜、通訊器材(不含無線廣播電視發(fā)射及衛(wèi)星地面接收設備)、醫(yī)療器械(***一類)、實驗設備、化工產(chǎn)品(不含危險化學品)、五金交電、照明設備。的公司。成都皖川科技擁有一支經(jīng)驗豐富、技術創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計。成都皖川科技繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關鍵領域，實現(xiàn)轉(zhuǎn)型再突破。成都皖川科技始終關注儀器儀表行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1376527.html</p></div></div></div></div></div><div id="tg2wlz2" class="page-right twoColRt"><div id="mq7lifu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="32z9k8f" class="recomPic likePro"><a 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