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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qfcjvml" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329352318056640/3713289.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pjgifry" 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>陜西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>防爆溫度變送器哪里買,溫度變送器</p><p><span>***更新：</span>2020-09-26 13:21:11</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rldam7z" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設(shè)備有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>付海飛</p><p><span>郵箱: </span>xalunqian@163.com</p><p><span>電話: </span>13891837328</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://xalunqian.shop.88360.com</p><p><span>手機: </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號軍民融合創(chuàng)新港</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="j78vnpw" class="page-proshow02"><p class="title">詳細說明</p><div id="laxegnz" class="box"><p><p> 溫度變送器在遇到故障后有中有幾種常見的方法，來對其進行檢測與維修。主要有替換法、排除法、測試法等。 </p> <p> 替換法：常見的快速有效的方法，前提是有備用件。 </p> <p> 排除法：從可確定沒問題的設(shè)備入手，逐漸排除好的設(shè)備，得出有問題的設(shè)備。 </p> <p> 測試法：用萬用表對懷疑的設(shè)備進行電阻、電壓等要素的測試，從而找出故障位置。 </p> <p> 但是在溫度變送器的維修中有些注意事項，需要現(xiàn)場操作人員多加留意。 </p> <p> 首先、切記不得帶電檢修采集器、插拔電纜，防爆溫度變送器哪里買。 </p> <p> 第二、不得帶電撤換，防爆溫度變送器哪里買、安裝傳感器等硬件。 </p> <p> 第三、遇有大風(fēng)、下雨等天氣時檢查地溫場是否發(fā)生變化，若有則及時恢復(fù)。 </p> <p> 第四、每天要對外轉(zhuǎn)接盒的密封性進行檢查，防爆溫度變送器哪里買，看盒上有無積水、外露電纜有無破損。智能溫度變送器就是把溫度傳感器技能和附加的電子部件結(jié)合在一起的一種溫度變送器。防爆溫度變送器哪里買</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防爆溫度變送器哪里買,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329352318056640/3713289.png"></div><p> 溫度變送器在投入現(xiàn)場使用過程中，套管破裂的原因有多種因素，針對這種情況的，我們要具體問題具體分析，理論實際相結(jié)合。導(dǎo)致溫度變送器套管破裂的原因：1、溫度變送器受高速流體沖擊，載負過大，應(yīng)力[1]超過極限，導(dǎo)致套管破裂；2、溫度變送器所在的管道振動過大，造成套管疲勞損壞；3、流體流經(jīng)溫度變送器套管時，誘發(fā)溫度變送器套管振動，即溫度變送器套管固有頻率和流體旋渦脫落頻率產(chǎn)生共振。這種共振現(xiàn)象會導(dǎo)致溫度變送器套管損壞速度加快，以致斷裂。4、溫度變送器套管本身的加工缺陷，容易造成套管斷裂。防爆溫度變送器哪里買一體化溫度變送器一般分為熱電阻和熱電偶型兩種類型。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防爆溫度變送器哪里買,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329346839335937/5931608.png"></div><p> 溫度變送器正確的接地方法，用戶在應(yīng)用過程中總會出現(xiàn)諸多因素，正確的使用儀器可以在后期的使用的過程中減少許多不必要的麻煩。下面給大家詳細的介紹一下溫度變送器接地的**技巧。 </p> <p> 1，控制系統(tǒng)AC電源應(yīng)該來自于一個分開的系統(tǒng)，與其他設(shè)備和使用分開; </p> <p> 2，電源在設(shè)計時應(yīng)該考慮到初始電流的沖擊，至少能承受10個周期; </p> <p> 3，控制系統(tǒng)AC接地應(yīng)該建立在隔離變壓器或UPS上，或者在附近溫度變送器; </p> <p> 4，控制系統(tǒng)工作站AC電源應(yīng)該使用專門的插座; </p> <p> 5，當連接現(xiàn)場設(shè)備電源幾個I/O接口轉(zhuǎn)接器時，應(yīng)該使用隔離柵條; </p> <p> 6，控制系統(tǒng)AC電源應(yīng)該由隔離變壓器或UPS供給; </p> <p> 7，當AC和DC輸入連接到同樣的接線排，接線排必以適當?shù)木鏄撕灅顺? </p> <p> 8，AC接地線應(yīng)該與載流線型號相當或大一號; </p> <p> 9，預(yù)留一根額外的線或使用一終端盒，以提供測試點。 </p> <p> 10，接地系統(tǒng)的電阻必須進行測試，以保證接地能滿足控制系統(tǒng)制造商的要求。其實以上小技巧的也比較使用于平衡流量計。 </p> <p> 以上就是溫度變送器接地的**技巧，希望對大家能有所幫助。 </p><p> 熱電偶的種類及結(jié)構(gòu)形成: </p> <p> (1)熱電偶的種類; </p> <p> 常用熱電偶可分為標準熱電偶和非標準熱電偶兩大類。所調(diào)用標準熱電偶是指國家標準規(guī)定了其熱電勢與溫度的關(guān)系、允許誤差、并有統(tǒng)一的標準分度表的熱電偶，它有與其配套的顯示儀表可供選用。非標準化熱電偶在使用范圍或數(shù)量級上均不及標準化熱電偶，一般也沒有統(tǒng)一的分度表，主要用于某些特殊場合的測量。 </p> <p> 標準化熱電偶我國從1988年1月1日起，熱電偶和熱電阻全部按IEC國際標準生產(chǎn)，并指定S、B、E、K、R、J、T七種標準化熱電偶為我國統(tǒng)一設(shè)計型熱電偶。 </p> <p> (2)熱電偶的結(jié)構(gòu)形式為了保證熱電偶可靠、穩(wěn)定地工作，對它的結(jié)構(gòu)要求如下： </p> <p> ①組成熱電偶的兩個熱電極的焊接必須牢固; </p> <p> ②兩個熱電極彼此之間應(yīng)很好地絕緣，以防短路; </p> <p> ③補償導(dǎo)線與熱電偶自由端的連接要方便可靠; </p> <p> ④保護套管應(yīng)能保證熱電極與有害介質(zhì)充分隔離。熱電偶溫度變送器一般由基準源、冷端補償、放大單元、斷偶處理、反接保護、限流保護等電路單元組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防爆溫度變送器哪里買,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347283603515/2948782.png"></div><p> 熱電阻溫度變送器的主要特點： </p> <p> ·采用硅橡膠或環(huán)氧樹脂密封結(jié)構(gòu)，因此耐震、耐濕、適合在惡劣的現(xiàn)場環(huán)境安裝使用。 </p> <p> ·現(xiàn)場安裝在熱電偶、熱電阻的接線盒內(nèi)使用，直接輸出4-20ma、0-10ma的輸出信號。這樣既節(jié)約了昂貴的補償導(dǎo)線費用，又提高了信號遠距離傳輸過程中的抗干擾能力； </p> <p> ·熱電偶變送器具有冷端溫度自動補償功能； </p> <p> ·精度高、功耗低，使用環(huán)境溫度范圍寬，工作穩(wěn)定可靠； </p> <p> ·適用范圍廣、既可以與熱電偶、熱電阻形成一體化現(xiàn)場安裝結(jié)構(gòu)，也可以作為功能模塊安裝在檢測設(shè)備中和儀表盤上使用； </p> <p> ·智能型溫度變送器可通過hart調(diào)制解調(diào)器與上位機通訊或與手持器和pc機對變送器的型號、分度號、量程進行遠程信息管理、組態(tài)、變量監(jiān)測、校準和維護功能； </p> <p> ·智能型溫度變送器可按用戶實際需要調(diào)整變送器的顯示方向，并顯示變送器所測的介質(zhì)溫度、傳感器值的變化、輸出電流和百分比例。變送器是由兩個用來測量溫差的傳感器組成，輸出信號與溫差之間有一給定的連續(xù)函數(shù)關(guān)系所以稱為溫度變送器。陜西一體化溫度變送器廠家直銷</p><p style="text-indent:25px">一體化溫度變送器具有結(jié)構(gòu)簡單、節(jié)省引線、輸出信號大、有反接保護和限流保護、工作可靠等優(yōu)點。防爆溫度變送器哪里買</p><p> 隨著科技的快速發(fā)展，溫度變送器的種類越來繁多，應(yīng)用范圍都十分的廣，但是各種變送器的優(yōu)劣勢也是有區(qū)分的。接下來為大家詳細的介紹一下一體化溫度變送器的優(yōu)缺點。 </p> <p> 一體化溫度變送器有以下優(yōu)點：(1)節(jié)省了熱電偶系統(tǒng)補償導(dǎo)線或延長線的投資，只需兩根普通導(dǎo)線供電和輸出信號，這對于有眾多側(cè)濕點的過程控制有較大的經(jīng)濟效益；(2)**控制室與現(xiàn)場的連接導(dǎo)線中傳輸較強的4-20mA直流信號，比傳遞微弱的熱電勢的補償導(dǎo)線或連接線有更強的抗干擾能力;(3)體積小巧緊湊，只有幾十毫米的短柱體，用硅橡膠或樹脂固封在熱電倘或熱電阻套管接線端子盒內(nèi).適應(yīng)生產(chǎn)現(xiàn)場環(huán)境，防塵、抗蝕，不占額外空間。 </p> <p> 一體化溫度變送器的缺點是：每—款的變送器只適合配一種規(guī)格型號的敏感元件，也無法調(diào)整量程范圍.通用性差;一旦損壞，只能整體更換。 </p> <p> 一體化溫度變送器的基本誤差都小超過量程的±0.5%、環(huán)境溫度影響約為每1℃變動不趙過0.05%.可安裝在-25一80℃的環(huán)境中。防爆溫度變送器哪里買</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司是一家智能儀器儀表銷售：網(wǎng)絡(luò)設(shè)備銷售；安防設(shè)備銷售；閥門和旋塞銷售；計算機軟及軸助設(shè)備零售；環(huán)境監(jiān)測**儀器銷售；電氣設(shè)備銷售；機械設(shè)備銷售；電子元器件與機電組件設(shè)備銷售；電子產(chǎn)品銷售；終端計量設(shè)備銷售；終端測試設(shè)備銷售；供應(yīng)用儀器儀表銷售；電子**設(shè)備銷售；技術(shù)開發(fā)；普通機械設(shè)備安裝服務(wù)；智能儀器儀表制造：儀器儀表修理；儀器儀表制造；環(huán)境監(jiān)測**儀器儀表制造；其他通用儀器制造；電子測量儀器化工。的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。西安倫騫電器作為智能儀器儀表銷售：網(wǎng)絡(luò)設(shè)備銷售；安防設(shè)備銷售；閥門和旋塞銷售；計算機軟及軸助設(shè)備零售；環(huán)境監(jiān)測**儀器銷售；電氣設(shè)備銷售；機械設(shè)備銷售；電子元器件與機電組件設(shè)備銷售；電子產(chǎn)品銷售；終端計量設(shè)備銷售；終端測試設(shè)備銷售；供應(yīng)用儀器儀表銷售；電子**設(shè)備銷售；技術(shù)開發(fā)；普通機械設(shè)備安裝服務(wù)；智能儀器儀表制造：儀器儀表修理；儀器儀表制造；環(huán)境監(jiān)測**儀器儀表制造；其他通用儀器制造；電子測量儀器化工。的企業(yè)之一，為客戶提供良好的雷達料位計，雷達物位計，壓力變送器，溫度變送器。西安倫騫電器始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。西安倫騫電器創(chuàng)始人付海飛，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1432768.html</p></div></div></div></div></div><div id="cmj72ew" class="page-right 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