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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="guj8oix" 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>資陽(yáng)壓力儀表哪家好,壓力儀表</p><p><span>***更新：</span>2020-08-16 18:13:43</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="ng0sp35" 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="dcg15im" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="cfk85mf" 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(lèi)。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，資陽(yáng)壓力儀表哪家好。彈性元件在介質(zhì)壓力作用下產(chǎn)生的彈性變形，通過(guò)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(pán)的指示范圍一般做成270度，資陽(yáng)壓力儀表哪家好。 </p> <p> 在工業(yè)過(guò)程控制與技術(shù)測(cè)量過(guò)程中，資陽(yáng)壓力儀表哪家好，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。資陽(yáng)壓力儀表哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="資陽(yáng)壓力儀表哪家好,壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306626250000/2926369.jpg"></div><p> 留針記憶壓力表用來(lái)測(cè)量煤礦脈沖壓力大、使用環(huán)境惡劣條件下綜采設(shè)備壓力及峰值的儀表。該儀表具有體積小、精度高、耐震、抗沖擊、記憶****值等特點(diǎn)。 </p> <p> <p> 儀表以一般壓力表、耐震壓力表為主體，內(nèi)部加設(shè)記憶針裝置組成。 </p> <p> 儀表使用前先將記憶針調(diào)節(jié)到零位，在使用中壓力上升時(shí)，紅色記憶針會(huì)跟隨壓力指示針的運(yùn)動(dòng)而運(yùn)動(dòng)，指示出曾出現(xiàn)的壓力值。 </p> <p> 儀表使用條件：與選用的原各型壓力表相同。 </p> <p> 外形尺寸：與選用的原各型壓力表相同。 </p> <p> 普通不銹鋼壓力表，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。該系列儀表主要應(yīng)用于礦山、石油、化工、冶煉、電力、食品、醫(yī)藥、航天等行業(yè)。 </p> 遂寧壓力儀表哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="資陽(yáng)壓力儀表哪家好,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(guò)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> </p> <br /><p> 計(jì)量檢定 </p> <p> 計(jì)量檢定是指為評(píng)定計(jì)量器具的計(jì)量性能，確定其是否合格所進(jìn)行的全部工作，包括檢驗(yàn)和加封蓋印等。它是進(jìn)行量值傳遞的重要形式，是保證量值準(zhǔn)確一致的重要措施。 </p> <p> 計(jì)量檢定按照管理環(huán)節(jié)的不同，可以分以下五種：周期檢定、出廠檢定、修后檢定、進(jìn)口檢定、仲裁檢定。 </p> <p> 計(jì)量器具按照管理性質(zhì)的不同，可以分為強(qiáng)制檢定和非強(qiáng)制檢定，兩者又統(tǒng)稱(chēng)為計(jì)量法制檢定。 </p> <p> 儀表性能指標(biāo) </p> <p> 檢測(cè)儀表中常用的基本性能包括測(cè)量范圍及量程、基本誤差、精度等級(jí)、靈敏度、分辨率、漂移、可靠性以及抗干擾性能指標(biāo)等。 </p> <p> (1)測(cè)量范圍：是指該儀表按規(guī)定的精度進(jìn)行測(cè)量的被測(cè)變量的范圍。 </p> <p> (2)量程：量程=測(cè)量上限值-測(cè)量下限值。 </p> <p> (3)零點(diǎn)遷移：是指零點(diǎn)的變化，而量程遷移是指量程的變化。 </p> <p> (4)靈敏度：反應(yīng)儀表對(duì)被測(cè)參數(shù)變化的靈敏程度，常以在被測(cè)參數(shù)改變時(shí)，經(jīng)過(guò)足夠時(shí)間儀表指示值達(dá)到穩(wěn)定狀態(tài)后，儀表輸出變化量與引起此變化的輸入量之比作為靈敏度。 </p> <p> (5)分辨率：又稱(chēng)靈敏限，它是儀表輸出能響應(yīng)和分辨的**小輸入量，是靈敏度的一種反應(yīng)。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="資陽(yáng)壓力儀表哪家好,壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306707148437/9849450.jpg"></div><p> 儀表的分類(lèi)方法很多，根據(jù)不同的原則可以分為許多類(lèi)： </p> <p> <p> (1)檢測(cè)儀表的分類(lèi) </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(lèi) </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(guò)程中，有些儀表稱(chēng)為一次儀表，有些儀表稱(chēng)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(chēng)其為儀表，而稱(chēng)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(mén)定位器)統(tǒng)稱(chēng)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(lèi)儀表的總稱(chēng)，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(pán)上。 </p> <p> 儀表分類(lèi)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(lèi)及稱(chēng)謂還要根據(jù)實(shí)際情況而定。 </p> 內(nèi)江壓力儀表供應(yīng)</p><p style="text-indent:25px">資陽(yáng)壓力儀表哪家好</p><p> 壓力的常識(shí)： </p> <p> 1、壓力概念：這里的壓力概念，實(shí)際上指的是物理學(xué)上的壓強(qiáng)，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(zhǔn)，高于***真空的壓力； </p> <p> 相對(duì)壓力：以大氣壓力作為基準(zhǔn)所標(biāo)示的壓力。 ***壓力=大氣壓力+相對(duì)壓力 </p> <p> 壓力表的知識(shí)： </p> <p> 1、概念：以大氣壓力為基準(zhǔn)，用于測(cè)量小于或大于大氣壓力的儀表。 </p> <p> A、壓力表按其測(cè)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(zhǔn)不同，分為一般壓力表、***壓力表、差壓表； </p> <p> C、壓力表按其測(cè)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(jī)械式。資陽(yáng)壓力儀表哪家好</p><p style="text-indent:25px">成都皖川科技有限公司是一家研發(fā)、銷(xiāo)售計(jì)算機(jī)軟硬件;計(jì)算機(jī)系統(tǒng)集成;銷(xiāo)售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機(jī)械設(shè)備、閥門(mén)、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(lèi))、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。的公司，致力于成為客戶業(yè)務(wù)創(chuàng)新、儀器儀表可信賴(lài)的合作伙伴。成都皖川科技深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的[ "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)" ]。公司堅(jiān)持以技術(shù)創(chuàng)新為發(fā)展引擎，以客戶滿意為動(dòng)力，目前擁有51~100人專(zhuān)業(yè)人員，年?duì)I業(yè)額達(dá)到50-100萬(wàn)元。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(zhuān)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/935520.html</p></div></div></div></div></div><div id="svo66qv" class="page-right twoColRt"><div id="b5tf5ol" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xq8mvcr" 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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="wtt83ze" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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