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成都皖川科技供應(yīng)</h1><div id="vpbyv8p" class="proBig"><div id="cb89qif" class="bigimg"><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 id="ujqn7fh" 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="rrbd8bj" 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>達(dá)州壓力儀表推薦廠家,壓力儀表</p><p><span>***更新：</span>2020-11-11 05:07:31</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="af3ji3t" 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(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="mbyaxwd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="sme7ewy" 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，達(dá)州壓力儀表推薦廠家。機(jī)械壓力表采用彈簧管（波登管），達(dá)州壓力儀表推薦廠家，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。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(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)，達(dá)州壓力儀表推薦廠家。 </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。 </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越***的應(yīng)用。達(dá)州壓力儀表推薦廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="達(dá)州壓力儀表推薦廠家,壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306626250000/2926369.jpg"></div><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。達(dá)州壓力儀表推薦廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="達(dá)州壓力儀表推薦廠家,壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107307858222656/70369.jpg"></div><p> 留針記憶壓力表用來測(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> </p><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：是衡量儀表測(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)約定真值的偏移來估計(jì)。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="達(dá)州壓力儀表推薦廠家,壓力儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306707148437/9849450.jpg"></div><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。廣元壓力儀表供應(yīng)</p><p style="text-indent:25px">達(dá)州壓力儀表推薦廠家</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(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> 達(dá)州壓力儀表推薦廠家</p> <br /><p style="text-indent:25px">成都皖川科技有限公司致力于儀器儀表，是一家貿(mào)易型公司。公司業(yè)務(wù)分為耐磨熱電偶，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)等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于儀器儀表行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1940126.html</p></div></div></div></div></div><div id="q8rmovx" class="page-right twoColRt"><div id="biu3zwt" class="box01 margin10 clearfix"><h3><a 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