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class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637107273171464844/8208221.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ml7fcjf" 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>德陽壓力變送器推薦</p><p><span>***更新：</span>2020-06-07 13:11:41</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="ts9bne8" 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="clfmtfw" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="esbdfr3" class="box"><p><p> <p> 壓力變送器的發(fā)展大體經(jīng)歷了四個階段： </p> <p> (1)早期壓力變送器采用大位移式工作原理，如**浮子式差壓計及膜盒式差壓變送器，這些變送器精度低且笨重。 </p> <p> (2)20世紀(jì)50年代有了精度稍高的力平衡式差壓變送器，但反饋力小，結(jié)構(gòu)復(fù)雜，可靠性，德陽壓力變送器推薦、穩(wěn)定性和抗振性均較差。 </p> <p> (3)20世紀(jì)70年代中期，德陽壓力變送器推薦，隨著新工藝、新材料，德陽壓力變送器推薦、新技術(shù)的出現(xiàn)，尤其是電子技術(shù)的迅猛發(fā)展，出現(xiàn)體積小巧，結(jié)構(gòu)簡單的位移式變送器。 </p> <p> (4)20世紀(jì)90年代科學(xué)技術(shù)迅猛發(fā)展，變送器測量精度提高而且逐漸向智能化發(fā)展，數(shù)字信號傳輸更有利于數(shù)據(jù)采集，出現(xiàn)了擴(kuò)散硅壓阻式變送器、電容式變送器、差動電感式變送器和陶瓷電容式變送器等不同類型。 </p> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="德陽壓力變送器推薦" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107273171464844/8208221.jpg"></div><p> <p> 工作原理 </p> <p> BY 2088壓力變送器選用進(jìn)口壓力芯片，敏感元件采用擴(kuò)散或離子注入等工藝形成電阻并連接成惠斯通電橋，用微機(jī)械加工技術(shù)在電橋下形成壓力敏感膜片。當(dāng)壓力作用在膜片上時，電阻值發(fā)生變化并且產(chǎn)生一個與作用壓力成正比的線性化輸出信號。我們在惠斯通電橋上加上直流電源，就會產(chǎn)生一個直流電壓信號的輸出。經(jīng)過二次轉(zhuǎn)換線路，實現(xiàn)兩線制4～20mA輸出。 </p> </p> <p> <p> 功能特點 </p> <p> ◆穩(wěn)定性好，滿度、零位長期穩(wěn)定性可達(dá)0.2%FS/年。在補(bǔ)償溫度0～70℃范圍內(nèi)，溫度飄移低于0.2%FS，在整個允許工作溫度范圍內(nèi)低于0.5%FS。 </p> <p> ◆具有反向保護(hù)、限流保護(hù)電路，在安裝時正負(fù)極接反不會損壞變送器，異常時，變送器會自動限流在35mA以內(nèi)。 </p> <p> ◆固態(tài)結(jié)構(gòu)，無可動部件，高可靠性，使用壽命長 </p> <p> ◆從風(fēng)壓到氣、水、油、蒸汽都可以進(jìn)行高精度的測量，不受被測介質(zhì)質(zhì)量大小的影響。 </p> <p> ◆安裝方便、結(jié)構(gòu)簡單、經(jīng)濟(jì)耐用。 </p> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="德陽壓力變送器推薦" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107282658583984/7367381.jpg"></div><p> 調(diào)試方法 </p> <p> 擰下保護(hù)蓋，即可看到調(diào)零和滿程電阻器，外接標(biāo)準(zhǔn)電源及電流表（０.２級以上），即可調(diào)整，步驟如下： </p> <p> 1、在變送器沒有加壓力的情況下，調(diào)節(jié)零點電阻器，使之輸出電流４mA， </p> <p> 2、變送器加壓力到滿量程，調(diào)節(jié)滿程電阻器，使之輸出電流２０mA， </p> <p> 3、反復(fù)以上步驟兩三次，直到信號正常。 </p> <p> 4、調(diào)節(jié)完畢，擰緊保護(hù)蓋。 </p> <p> <br /> </p> <p> 注意事項 </p> <p> 1.凡供貨產(chǎn)品均帶有使用說明書及合格證，其中有產(chǎn)品編號、技術(shù)參數(shù)、出廠日期等，請認(rèn)真核對，以免用錯。 </p> <p> 2.不可用堅硬的物體直接擠壓變送器膜片，以免損傷變送器。 </p> <p> 3.安裝時應(yīng)根據(jù)產(chǎn)品連接方式和螺紋類型，查對現(xiàn)場接口是否與產(chǎn)品接口一致，連接時應(yīng)慢速擰緊，不能把轉(zhuǎn)矩直接加到變送器殼體上，只能加在壓力接口的六方上。 </p> <p> 4.接供電電源時應(yīng)嚴(yán)格按照我公司接線說明進(jìn)行連接。 </p> <p> 5.變送器過載壓力不可超過量程的200％。 </p> <p> 6.使用中發(fā)現(xiàn)異常，應(yīng)關(guān)掉電源，停止使用，進(jìn)行檢查，或直接向我公司技術(shù)部門聯(lián)系。 </p> <p> 7.運輸、儲存時應(yīng)恢復(fù)原包裝，存放在陰涼、干燥、通風(fēng)的庫房內(nèi)。 </p> <p> 8.本產(chǎn)品包用期為12個月 </p> <span style="display:none;"></span> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="德陽壓力變送器推薦" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107282442158203/4857169.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/180328.html</p></div></div></div></div></div><div id="jsebseg" class="page-right twoColRt"><div id="b7g3zqh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="292cy2n" 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="3g22dul" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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