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id="8eykh3i" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347445859375/5427354.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bgxphjl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347445859375/5427354.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="r8fsubd" 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)品關鍵詞：</span>遼寧智能溫度變送器廠家,溫度變送器</p><p><span>***更新：</span>2021-01-11 06:14:07</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="jtqcjqs" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">西安倫騫電器設備有限責任公司</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="etqikmj" class="page-proshow02"><p class="title">詳細說明</p><div id="bqx7hjl" class="box"><p><p> 一體化溫度變送器通常由測溫探頭（熱電偶或熱電阻傳感器）和兩線制固體電子單元構成。選用固體模塊方式將測溫探頭直接安裝在接線盒內，然后構成一體化的變送器。一體化溫度變送器通常分為熱電阻和熱電偶型兩種類型。熱電阻溫度變送器是由基準單元、R/V變換單元、線性電路、反接維護、限流維護、V/I變換單元等構成。測溫熱電阻信號變換擴大后，再由線性電路對溫度與電阻的非線性關系進行抵償，經(jīng)V/I變換電路后輸出一個與被測溫度成線性關系的4～20mA的恒流信號。熱電偶溫度變送器通常由基準源、冷端抵償、擴大單元、線性化處理、V/I變換、斷偶處理、反接維護、限流維護等電路單元構成。它是將熱電偶發(fā)生的熱電勢經(jīng)冷端抵償擴大后，再帽由線性電路消除熱電勢與溫度的非線性差錯，終擴大變換為4～20mA電流輸出信號。為避免熱電偶測量中由于電偶斷絲而使控溫失效形成事故，變送器中還設有斷電維護電路，遼寧智能溫度變送器廠家。當熱電偶斷絲或接解不良時，變送器會輸出大值（28mA）以使外表堵截電源，遼寧智能溫度變送器廠家。測得溫度與通訊模塊的實際輸出共同，遼寧智能溫度變送器廠家，變送器測溫過程中沒有失效發(fā)生，側沮功用得到履行。遼寧智能溫度變送器廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧智能溫度變送器廠家,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347445859375/5427354.png"></div><p> 溫度變送器的主要用途： </p> <p> 人類對溫度變送器的開發(fā)較早，應用上也較為廣。從17世紀初人們開始利用溫度進行測量。在半導體技術的支持下，相繼開發(fā)了半導體熱電偶變送器、熱電阻溫度變送器、PN結溫度變送器和集成溫度變送器。 </p> <p> 溫度是表征物體冷熱程度的物理量，是工農業(yè)生產(chǎn)過程中一個很重要而普遍的測量參數(shù)。溫度的測量及控制對保證產(chǎn)品質量、提高生產(chǎn)效率、節(jié)約能源、生產(chǎn)安全、促進國民經(jīng)濟的發(fā)展起到非常重要的作用。由于溫度測量的普遍性，溫度變送器的數(shù)量在各種變送器中居前列。 </p> <p> <br /> 遼寧智能溫度變送器廠家溫度變送器能對現(xiàn)場的環(huán)境因素完成遠程監(jiān)測，對工業(yè)現(xiàn)場數(shù)字信息進行實時收集和監(jiān)控，突顯便利性與實時性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧智能溫度變送器廠家,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347006875000/6282613.png"></div><p> 小巧型溫度變送器 </p> <p> 一、產(chǎn)品簡介： </p> <p> 小巧型溫度變送器是采用進口元件，用不銹鋼材料封裝的，它與電氣線路形成一體，體積小巧，應用方便、精度高、穩(wěn)定性好、耐振適應各種工業(yè)現(xiàn)場的需要，該產(chǎn)品主要應用于石油、化工、機電設備、制藥、食品及小型試驗裝置等。 </p> <p> 二、工作原理： </p> <p> 熱電偶（阻）在工作狀態(tài)下所測得的熱電勢（電阻）的變化，經(jīng)過溫度變送器的電橋產(chǎn)生不平衡信號，經(jīng)放大后轉換成為4-20mA的直流電信號給工作儀表，工作儀表便顯示出所對應的溫度值。 </p> <p> 三、產(chǎn)品應用: </p> <p> 通常和顯示儀表，記錄儀表，電子計算機等配套使用。輸出4-20mA直接測量各種生產(chǎn)過程中的確200-1600℃范圍內液體，蒸汽和氣體介質及固體表面溫度。 </p> <p> 四、產(chǎn)品特點: </p> <p> 1. 二線制輸出，抗干擾能力強；2. 節(jié)省補償導線及安裝溫度變送器費用； 3. 測量范圍大；4. 赫斯曼電氣連接，使用方便；5．小型化設計，方便使用； </p><p> 一體化溫度變送器接線的主要注意事項。1、布線：一體化溫度變送器的安全火花回路的接線（輸入信號線），必須是帶有絕緣套或屏蔽的導線，并且和非安全火花回路的接線彼此隔離，以免互相混觸。2、不同型號的一體化溫度變送器按說明書接線，對于具有安全火花回路的防爆儀表接線時一定不能接錯，并要仔細檢查是否有短接或接錯。3、使用一體化溫度變送器時，要特別注意普通型與本安型之分，普通型不能安裝在危險區(qū)，本安型可以安裝在危險區(qū)。4、熱電阻一體化溫度變送器輸入為三線制各連接導線的線路電阻應相等并處于同一環(huán)境溫度內。5、對于防爆儀表原則上不允許拆卸安全火花回路的元件和調換一體化溫度變送器接線，如需要更換，則應按防爆要求進行。6、定期檢查一體化溫度變送器時，為了精確地讀出數(shù)據(jù)，要在輸出端子之間，連接數(shù)字電壓表進行測量，而不要拿掉安全火花回路線。7、一體化溫度變送器出現(xiàn)故障后，應停電進行檢查，未查出故障不得送電。8、溫度變送器在運行中應保持清潔。一體化溫度變送器采用固體模塊形式將測溫探頭直接安裝在接線盒內，從而形成一體化的變送器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧智能溫度變送器廠家,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347550908203/1975811.png"></div><p> 溫度變送器的重要性：在如今的工業(yè)生產(chǎn)過程中，變送器這一測量儀器已經(jīng)是不可缺少的一部分。在傳統(tǒng)的工業(yè)設備中增加使用變送器，便于工作人員操作與維護的同時，其功能和精度將得到有效的提升，安全性能也更有保障。而在現(xiàn)代的自動化系統(tǒng)當中，變送器已經(jīng)成為其系統(tǒng)的重要組成部分。溫度是工業(yè)監(jiān)測和控制系統(tǒng)中基本的參數(shù)，同時人們對工業(yè)溫度測控系統(tǒng)的可靠性和精確性要求越來越高。溫度變送器也變得更加重要。像是在石油、化工、冶金、機電、陶瓷、玻璃、電力、航空、食品加工、醫(yī)學工程等工業(yè)領域的溫度檢測與控制，以及與其它儀器儀表的配合使用等方面，都有著重要的作用和意義。溫度變送器是工業(yè)生產(chǎn)領域不可或缺的儀器儀表。數(shù)顯溫度變送器有較強的負載能力帶有非線性校正電路，可測量工業(yè)過程中200-1800℃范圍內的各種介質的溫度。遼寧智能溫度變送器廠家</p><p style="text-indent:25px">溫度變送器每6個月應校準一次，如果DWB因受電路限制不能進行線性修正，較好按說明選擇量程以保證其線性。遼寧智能溫度變送器廠家</p><p> 無線溫度變送器無線溫度變送器價格無線溫度變送器生產(chǎn)商的工作原理： </p> <p> 熱電偶或熱電阻傳感器將被測溫度轉換成電信號，再將該信號送入變送器的輸入網(wǎng)絡，該網(wǎng)絡包含調零和熱電偶補償?shù)认嚓P電路。經(jīng)調零后的信號輸入到運算放大器進行信號放大，放大的信號一路經(jīng)v/i轉換器計算處理后以4－20ma直流電流輸出；另一路經(jīng)a/d轉換器處理后到表頭顯示。變送器的線性化電路有兩種，均采用反饋方式。對熱電阻傳感器，用正反饋方式校正，對熱電偶傳感器，用多段折線逼近法進行校正。一體化數(shù)字顯示溫度變送器有兩種顯示方式。lcd顯示的溫度變送器用兩線制方式輸出，led顯示的溫度變送器三線制方式輸出。遼寧智能溫度變送器廠家</p></p><br /><p>文章來源地址: 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