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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="32xgcoq" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306626250000/2926369.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="b7khjln" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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(guān)鍵詞：</span>廣元壓力儀表報(bào)價(jià),壓力儀表</p><p><span>***更新：</span>2020-08-27 09:09:32</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rbykw88" 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(jī): </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬(wàn)達(dá)廣場(chǎng)SOHO公寓2-2-1138室</p><p>[當(dāng)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="j3nkcjl" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="t3tq74k" class="box"><p><p> 機(jī)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(jī)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(cè)量的壓力一般視為相對(duì)壓力。一般相對(duì)點(diǎn)選為大氣壓力，廣元壓力儀表報(bào)價(jià)。彈性元件在介質(zhì)壓力作用下產(chǎn)生的彈性變形，廣元壓力儀表報(bào)價(jià)，通過壓力表的齒輪傳動(dòng)機(jī)構(gòu)放大，壓力表就會(huì)顯示出相對(duì)于大氣壓的相對(duì)值(或高或低)。 </p> <p> 在測(cè)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，廣元壓力儀表報(bào)價(jià)。 </p> <p> 在工業(yè)過程控制與技術(shù)測(cè)量過程中，由于機(jī)械式壓力表的彈性敏感元件具有很高的機(jī)械強(qiáng)度以及生產(chǎn)方便等特性，使得機(jī)械式壓力表得到越來(lái)越***的應(yīng)用。廣元壓力儀表報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元壓力儀表報(bào)價(jià),壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306626250000/2926369.jpg"></div><p> 誤差的分類 </p> <p> ①***誤差：某被測(cè)量的儀表顯示值與約定真值之間的差值。 </p> <p> ②相對(duì)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(cè)量不變，計(jì)量器具正反行程不同時(shí)其示值之差。 </p> <p> ⑥精度：是衡量?jī)x表測(cè)量數(shù)值精確度的重要指標(biāo)，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(chǔ) </p> <p> 誤差可分為系統(tǒng)誤差、隨機(jī)誤差和粗大誤差等。 </p> <p> (1)準(zhǔn)確度：測(cè)量中系統(tǒng)誤差的反映，表征測(cè)量結(jié)果偏離真實(shí)值的程度。 </p> <p> 通常認(rèn)為，測(cè)量準(zhǔn)確度是一個(gè)定性的概念，不宜將其定量化。例如，不宜說(shuō)準(zhǔn)確度為0．25%、16mg或±16mg等。在實(shí)際工作中，測(cè)量準(zhǔn)確度可以用測(cè)量結(jié)果對(duì)約定真值的偏移來(lái)估計(jì)。成都?jí)毫x表供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元壓力儀表報(bào)價(jià),壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306135712890/2037665.jpg"></div><p> 儀表的分類方法很多，根據(jù)不同的原則可以分為許多類： </p> <p> <p> (1)檢測(cè)儀表的分類 </p> <p> 根據(jù)其檢測(cè)被測(cè)量的不同分為：溫度檢測(cè)儀表、壓力檢測(cè)儀表、流量檢測(cè)儀表、物位檢測(cè)儀表、分析儀表。 </p> <p> (2)顯示儀表的分類 </p> <p> 根據(jù)記錄、指示、模擬和數(shù)字等功能的不同分為：記錄儀表、指示儀表、模擬儀表、數(shù)顯儀表。 </p> <p> (3)在自控儀表的校準(zhǔn)、維修、安裝過程中，有些儀表稱為一次儀表，有些儀表稱為二次儀表。 </p> <p> 一次儀表是指安裝在現(xiàn)場(chǎng)且直接與工藝介質(zhì)相接觸的儀表，如壓變，溫變等。熱電阻、熱電偶一般不稱其為儀表，而稱為感溫元件。實(shí)際應(yīng)用中我們把安裝在現(xiàn)場(chǎng)的儀表(個(gè)別除外，如電動(dòng)閥門定位器)統(tǒng)稱為一次儀表。 </p> <p> 二次儀表是指儀表示值信號(hào)不直接來(lái)自工藝介質(zhì)的各類儀表的總稱，其信號(hào)通常來(lái)自一次儀表的傳送信號(hào)。二次儀表通常安裝在值班室內(nèi)的儀表盤上。 </p> <p> 儀表分類只是為儀表維修、維護(hù)、安裝及管理上方便，如何進(jìn)行分類及稱謂還要根據(jù)實(shí)際情況而定。 </p> </p><p> AKK-EKA430A壓力變送器用于測(cè)量氣體、液體和蒸汽的壓力，然后將其轉(zhuǎn)變成4-20mADC的電流信號(hào)輸出。HAKK-EKA430A也可以通過BRAIN手操器或CENTUM CS/μXL或HART375手操器相互通訊，通過它們進(jìn)行設(shè)定和監(jiān)控等。 </p> <p> 耐震不銹鋼壓力表，該系列儀表全部采用有良好耐腐蝕性能的不銹鋼材質(zhì)制造，主要零件采用1Cr18Ni9、OCr18Ni12Mo2Ti、USU316、USU316L等材料，適用于有腐蝕性的環(huán)境，可檢測(cè)有弱腐蝕性，但不結(jié)晶、不凝固、粘度低的液體、氣體或蒸汽等介質(zhì)的壓力。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元壓力儀表報(bào)價(jià),壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306553691406/377353.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(gè)電極，當(dāng)薄膜感受壓力而變形時(shí)，薄膜與固定電極之間形成的電容量發(fā)生變化，通過測(cè)量電路即可輸出與電壓成一定關(guān)系的電信號(hào)。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(dòng)電容式壓力傳感器。 </p> <p> <p> 應(yīng)變式壓力傳感器 </p> <p> 應(yīng)變式壓力傳感器是壓力傳感器中應(yīng)用比較多的一種傳感器，它一般用于測(cè)量較大的壓力，廣泛應(yīng)用于測(cè)量管道內(nèi)部壓力、內(nèi)燃機(jī)燃?xì)獾膲毫?、壓差和噴射壓力、發(fā)動(dòng)機(jī)和導(dǎo)彈試驗(yàn)中的脈動(dòng)壓力，以及各種領(lǐng)域中的流體壓力等。 </p> 資陽(yáng)壓力儀表</p> <br /><p style="text-indent:25px">廣元壓力儀表報(bào)價(jià)</p><p style="text-indent:25px">國(guó)統(tǒng)局?jǐn)?shù)據(jù)顯示，2019年上半年儀器儀表大行業(yè)規(guī)模以上企業(yè)4927個(gè)，營(yíng)收規(guī)模4002億元，營(yíng)收同比增長(zhǎng)7.57%；收入總額為361億元，同比增長(zhǎng)2.87%，比主營(yíng)收入低4.70個(gè)百分點(diǎn)；中國(guó)的新型工業(yè)化進(jìn)程，信息化和工業(yè)化融合的進(jìn)一步加深，帶動(dòng)各個(gè)工業(yè)領(lǐng)域?qū)τ谀湍犭娕?，氣體檢測(cè)儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)等產(chǎn)品的需求。研發(fā)、銷售計(jì)算機(jī)軟硬件;計(jì)算機(jī)系統(tǒng)集成;銷售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機(jī)械設(shè)備、閥門、水泵、電線電纜、通訊器材(不含無(wú)線廣播電視發(fā)射及衛(wèi)星地面接收設(shè)備)、醫(yī)療器械(***一類)、實(shí)驗(yàn)設(shè)備、化工產(chǎn)品(不含危險(xiǎn)化學(xué)品)、五金交電、照明設(shè)備。產(chǎn)品寬泛運(yùn)用于工業(yè)、農(nóng)業(yè)、交通、科技、環(huán)保、**、文教衛(wèi)生、公民生活等各個(gè)領(lǐng)域，在旺盛市場(chǎng)需求的帶動(dòng)下和國(guó)度宏觀調(diào)控政策的引導(dǎo)下，我國(guó)儀器儀表行業(yè)的發(fā)展有了長(zhǎng)足的進(jìn)步空間?！盎ヂ?lián)網(wǎng)＋”、大數(shù)據(jù)、020、萬(wàn)物互聯(lián)網(wǎng)、P2P、分享經(jīng)濟(jì)等熱門詞匯的出現(xiàn)，各個(gè)行業(yè)制定相應(yīng)的措施來(lái)順應(yīng)時(shí)代的經(jīng)濟(jì)發(fā)展，以爭(zhēng)取更大的發(fā)展市場(chǎng)。而互聯(lián)網(wǎng)的出現(xiàn)也為儀器儀表行業(yè)參與國(guó)際競(jìng)爭(zhēng)提供了機(jī)會(huì)，有利于銷售企業(yè)實(shí)現(xiàn)技術(shù)創(chuàng)新升級(jí)。廣元壓力儀表報(bào)價(jià)</p><p style="text-indent:25px">成都皖川科技有限公司致力于儀器儀表，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。成都皖川科技擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供耐磨熱電偶，氣體檢測(cè)儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)。成都皖川科技始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)同事和團(tuán)隊(duì)取得成功。成都皖川科技始終關(guān)注自身，在風(fēng)云變化的時(shí)代，我們對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使我們?cè)谛袠I(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1056978.html</p></div></div></div></div></div><div id="fu2fzfh" class="page-right twoColRt"><div id="rbt8jqs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nczgipm" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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