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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(guān)鍵詞：</span>自貢壓力儀表廠家,壓力儀表</p><p><span>***更新：</span>2020-12-20 10:04:54</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="m2kw2s0" 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)青羊萬達(dá)廣場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="qayweaq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="w2kagw4" class="box"><p><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(dāng)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(guān)系的電信號，自貢壓力儀表廠家。電容式壓力傳感器屬于極距變化型電容式傳感器，自貢壓力儀表廠家，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(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，它一般用于測量較大的壓力，廣泛應(yīng)用于測量管道內(nèi)部壓力，自貢壓力儀表廠家、內(nèi)燃機(jī)燃?xì)獾膲毫Α翰詈蛧娚鋲毫?、發(fā)動機(jī)和導(dǎo)彈試驗(yàn)中的脈動壓力，以及各種領(lǐng)域中的流體壓力等。 </p> 自貢壓力儀表廠家</p> <br /><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自貢壓力儀表廠家,壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306553691406/377353.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(biāo)準(zhǔn)：GB/T1226-2001 </p> <p> <span style="display:none;"></span>壓力表結(jié)構(gòu)原理 </p> <p> 儀表的測量系統(tǒng)由接頭、彈簧和傳動機(jī)構(gòu)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(jī)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 /> 自貢壓力儀表廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自貢壓力儀表廠家,壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107307858222656/70369.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)檢測儀表的分類 </p> <p> 根據(jù)其檢測被測量的不同分為：溫度檢測儀表、壓力檢測儀表、流量檢測儀表、物位檢測儀表、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)場的儀表(個別除外，如電動閥門定位器)統(tǒng)稱為一次儀表。 </p> <p> 二次儀表是指儀表示值信號不直接來自工藝介質(zhì)的各類儀表的總稱，其信號通常來自一次儀表的傳送信號。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> 壓力的常識： </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+相對壓力 </p> <p> 壓力表的知識： </p> <p> 1、概念：以大氣壓力為基準(zhǔn)，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(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。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="自貢壓力儀表廠家,壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306707148437/9849450.jpg"></div><p> 計(jì)量檢定 </p> <p> 計(jì)量檢定是指為評定計(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)稱為計(jì)量法制檢定。 </p> <p> 儀表性能指標(biāo) </p> <p> 檢測儀表中常用的基本性能包括測量范圍及量程、基本誤差、精度等級、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)測量范圍：是指該儀表按規(guī)定的精度進(jìn)行測量的被測變量的范圍。 </p> <p> (2)量程：量程=測量上限值-測量下限值。 </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)儀表對被測參數(shù)變化的靈敏程度，常以在被測參數(shù)改變時，經(jīng)過足夠時間儀表指示值達(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)。自貢壓力儀表廠家</p><p style="text-indent:25px">自貢壓力儀表廠家</p><p> AKK-EKA430A壓力變送器用于測量氣體、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。自貢壓力儀表廠家</p><p style="text-indent:25px">成都皖川科技有限公司主營品牌有皖纜，發(fā)展規(guī)模團(tuán)隊(duì)不斷壯大，該公司貿(mào)易型的公司。公司是一家有限責(zé)任公司（自然）企業(yè)，以誠信務(wù)實(shí)的創(chuàng)業(yè)精神、專業(yè)的管理團(tuán)隊(duì)、踏實(shí)的職工隊(duì)伍，努力為廣大用戶提供***的產(chǎn)品。公司業(yè)務(wù)涵蓋耐磨熱電偶，氣體檢測儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。成都皖川科技以創(chuàng)造***產(chǎn)品及服務(wù)的理念，打造高指標(biāo)的服務(wù)，引導(dǎo)行業(yè)的發(fā)展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2485511.html</p></div></div></div></div></div><div id="sesag4c" class="page-right twoColRt"><div id="4uqg2ui" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="aqyw42u" 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 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