河北投入式溫度變送器型號(hào)齊全誠(chéng)信經(jīng)營(yíng) 西安倫騫電器設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="浪涌對(duì)溫度變送器的危害：溫度變送器廣泛應(yīng)用于石油、化工、化纖\紡織、橡膠、建筑、電力、冶金、醫(yī)藥、食品等工業(yè)領(lǐng)域，實(shí)現(xiàn)對(duì)現(xiàn)場(chǎng)的測(cè)溫監(jiān)測(cè)。溫度變送器對(duì)于計(jì)算機(jī)測(cè)控系統(tǒng)也是非常適用的。溫度變送器還能夠很好的與其它儀器儀表進(jìn)行配套使用。溫度變送器"><meta name="keywords" content="河北投入式溫度變送器型號(hào)齊全,溫度變送器"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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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>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>河北投入式溫度變送器型號(hào)齊全,溫度變送器</p><p><span>***更新：</span>2020-08-18 07:20:51</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="a3ya7bv" 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(jī): </span>138-91837328</p><p><span>地址: </span>高新區(qū)發(fā)展大道25號(hào)軍民融合創(chuàng)新港</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="inum3i3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ogceyzb" class="box"><p><p> 浪涌對(duì)溫度變送器的危害： </p> <p> 溫度變送器廣泛應(yīng)用于石油、化工、化纖\紡織、橡膠、建筑、電力、冶金、醫(yī)藥、食品等工業(yè)領(lǐng)域，實(shí)現(xiàn)對(duì)現(xiàn)場(chǎng)的測(cè)溫監(jiān)測(cè)。溫度變送器對(duì)于計(jì)算機(jī)測(cè)控系統(tǒng)也是非常適用的。溫度變送器還能夠很好的與其它儀器儀表進(jìn)行配套使用。 </p> <p> 溫度變送器在正常使用的過程中，因?yàn)楝F(xiàn)場(chǎng)、環(huán)境以及配套的儀表的千差萬(wàn)別，會(huì)對(duì)其產(chǎn)生不同的影響。浪涌就是對(duì)溫度變送器zui 常見、zui 嚴(yán)重的損壞者，河北投入式溫度變送器型號(hào)齊全。浪涌的物理術(shù)語(yǔ)解釋是瞬間出現(xiàn)超出穩(wěn)定值的峰值。也就是超出正常工作電壓的瞬間過電壓。溫度變送器在現(xiàn)場(chǎng)的使用過程中，河北投入式溫度變送器型號(hào)齊全，如果受到幾百萬(wàn)分之一秒時(shí)間內(nèi)的一種劇烈脈沖，幾乎很難幸免。重型設(shè)備、短路、電源切換或大型發(fā)動(dòng)機(jī)，都可能造成浪涌，河北投入式溫度變送器型號(hào)齊全。溫度變送器為一體化結(jié)構(gòu)，不行拆開，同時(shí)應(yīng)防止磕碰和跌落。河北投入式溫度變送器型號(hào)齊全</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北投入式溫度變送器型號(hào)齊全,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347550908203/1975811.png"></div><p> 熱電阻溫度變送器: </p> <p> 熱電阻溫度變送器中采用的熱電阻是用半導(dǎo)體材料，大多為負(fù)溫度系數(shù)，即阻值隨溫度增加而降低。溫度變化會(huì)造成大的阻值改變，因此它是zui靈敏的溫度變送器。熱電阻體積非常小，對(duì)溫度變化的響應(yīng)也快。但熱敏電阻需要使用電流源，小尺寸也使它對(duì)自熱誤差極為敏感。熱電阻在兩條線上測(cè)量的是yiding 溫度，有較好的精度。熱電阻溫度變送器非常適合需要進(jìn)行快速和靈敏溫度測(cè)量的電流控制應(yīng)用。 </p> <p> 熱電偶溫度變送器: </p> <p> 熱電偶溫度變送器是溫度測(cè)量中zui常用的溫度變送器。其主要好處是寬溫度范圍和適應(yīng)各種大氣環(huán)境，而且結(jié)實(shí)、價(jià)低，無(wú)需供電，也是低價(jià)的。但熱電偶并不適合高精度的的測(cè)量和應(yīng)用。無(wú)線溫度變送器用途一體化溫度變送器的輸出為統(tǒng)一的4~20mA信號(hào);可與微機(jī)系統(tǒng)或其它常規(guī)儀表匹配使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北投入式溫度變送器型號(hào)齊全,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347445859375/5427354.png"></div><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(biāo)準(zhǔn)熱電偶和非標(biāo)準(zhǔn)熱電偶兩大類。所調(diào)用標(biāo)準(zhǔn)熱電偶是指國(guó)家標(biāo)準(zhǔn)規(guī)定了其熱電勢(shì)與溫度的關(guān)系、允許誤差、并有統(tǒng)一的標(biāo)準(zhǔn)分度表的熱電偶，它有與其配套的顯示儀表可供選用。非標(biāo)準(zhǔn)化熱電偶在使用范圍或數(shù)量級(jí)上均不及標(biāo)準(zhǔn)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(chǎng)合的測(cè)量。 </p> <p> 標(biāo)準(zhǔn)化熱電偶我國(guó)從1988年1月1日起，熱電偶和熱電阻全部按IEC國(guó)際標(biāo)準(zhǔn)生產(chǎn)，并指定S、B、E、K、R、J、T七種標(biāo)準(zhǔn)化熱電偶為我國(guó)統(tǒng)一設(shè)計(jì)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(duì)它的結(jié)構(gòu)要求如下： </p> <p> ①組成熱電偶的兩個(gè)熱電極的焊接必須牢固; </p> <p> ②兩個(gè)熱電極彼此之間應(yīng)很好地絕緣，以防短路; </p> <p> ③補(bǔ)償導(dǎo)線與熱電偶自由端的連接要方便可靠; </p> <p> ④保護(hù)套管應(yīng)能保證熱電極與有害介質(zhì)充分隔離。 </p><p> 溫度變送器是一種常見的儀器，溫度變送器的應(yīng)用范圍是十分廣的，在各個(gè)領(lǐng)域都有應(yīng)用溫度變送器，溫度變送器的工作原理是什么呢?熱電偶一般用于中高溫的測(cè)量，而熱電阻主要是低溫的測(cè)量。溫度變送器中選擇熱電偶和熱電阻的工作原理的區(qū)別是什么呢，下面為大家具體介紹一下吧。 </p> <p> 熱電偶熱電偶是工業(yè)上常用的溫度檢測(cè)元件之一，熱電偶工作原理是基于賽貝克(seeback)效應(yīng),即兩種不同成分的導(dǎo)體兩端連接成回路，如兩連接端溫度不同，則在回路內(nèi)產(chǎn)生熱電流的物理現(xiàn)象。其優(yōu)點(diǎn)是：①測(cè)量精度高。因熱電偶直接與被測(cè)對(duì)象接觸，不受中間介質(zhì)的影響。②測(cè)量范圍廣。常用的熱電偶從-50~+1600℃均可邊續(xù)測(cè)量，某些特殊熱電偶*低可測(cè)到-269℃(如金鐵鎳鉻)，zui高可達(dá)+2800℃(如鎢-錸)。③構(gòu)造簡(jiǎn)單，使用方便。熱電偶通常是由兩種不同的金屬絲組成，而且不受大小和開頭的限制，外有保護(hù)套管，用起來非常方便。溫度變送器屬于儀器儀表類的設(shè)備，因?yàn)樗奶赜刑匦员粡V應(yīng)用于很多類型的企業(yè)生產(chǎn)中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北投入式溫度變送器型號(hào)齊全,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329346640117187/6056585.png"></div><p> 溫度傳感器元件的正常工作是要滿足其工作條件的，其中之一就是它的工作電流，由于溫度傳感器具有電阻值，當(dāng)電流流過溫度傳感器元件時(shí)，會(huì)有功率損耗，就會(huì)發(fā)熱，所以為了減小傳感器本身的發(fā)熱引起測(cè)溫誤差，所以要在滿足傳感器正常工作的條件下，盡量減少其本身的發(fā)熱。這就是為什么溫度傳感器要在恒定小電流條件下使用的原因。所以比如鉑熱電阻的常規(guī)工作電流是5MA，但我們推薦的工作電流是1MA。原因就是要減少溫度傳感器元件的自熱引起測(cè)量誤差。電流恒定，其輸出才會(huì)有溫度和電勢(shì)的線性關(guān)系。 </p> <p> 溫度傳感器的插入深度也是容易忽視的一個(gè)問題，有些客戶要求插入深度很短但是直徑比較大，這是不合理的，尤其是在高溫的情況下這是不可取的，理論上說溫度傳感器的插入深度一般可按實(shí)際需要決定。但*少插入深度不應(yīng)少于溫度傳感器保護(hù)套管直徑的8-10倍。這樣才能保證溫度傳感器性能穩(wěn)定。了解了溫度傳感器的工作電流和插入深度對(duì)我們選定和使用溫度傳感器是很有必要的。如果忽視這兩個(gè)細(xì)節(jié)問題很容易造成溫度傳感器性能不穩(wěn)定甚至損壞。溫度變送器每6個(gè)月應(yīng)校準(zhǔn)一次，如果DWB因受電路限制不能進(jìn)行線性修正，較好按說明選擇量程以保證其線性。內(nèi)蒙遠(yuǎn)傳數(shù)顯溫度變送器廠家</p><p style="text-indent:25px">智能溫度變送器促進(jìn)了在進(jìn)程操控工業(yè)領(lǐng)域中精確度、可靠性和重復(fù)性的提高。河北投入式溫度變送器型號(hào)齊全</p><p> 一體化溫度變送器接線的主要注意事項(xiàng)。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(hào)線），必須是帶有絕緣套或屏蔽的導(dǎo)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(hào)的一體化溫度變送器按說明書接線，對(duì)于具有安全火花回路的防爆儀表接線時(shí)一定不能接錯(cuò)，并要仔細(xì)檢查是否有短接或接錯(cuò)。3、使用一體化溫度變送器時(shí)，要特別注意普通型與本安型之分，普通型不能安裝在危險(xiǎn)區(qū)，本安型可以安裝在危險(xiǎn)區(qū)。4、熱電阻一體化溫度變送器輸入為三線制各連接導(dǎo)線的線路電阻應(yīng)相等并處于同一環(huán)境溫度內(nèi)。5、對(duì)于防爆儀表原則上不允許拆卸安全火花回路的元件和調(diào)換一體化溫度變送器接線，如需要更換，則應(yīng)按防爆要求進(jìn)行。6、定期檢查一體化溫度變送器時(shí)，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(jìn)行測(cè)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(yīng)停電進(jìn)行檢查，未查出故障不得送電。8、溫度變送器在運(yùn)行中應(yīng)保持清潔。河北投入式溫度變送器型號(hào)齊全</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司屬于儀器儀表的高新企業(yè)，技術(shù)力量雄厚。公司致力于為客戶提供安全、質(zhì)量有保障的質(zhì)量產(chǎn)品及服務(wù)，是一家私營(yíng)有限責(zé)任公司企業(yè)。公司業(yè)務(wù)涵蓋[ "雷達(dá)料位計(jì)", "雷達(dá)物位計(jì)", "壓力變送器", "溫度變送器" ]，價(jià)格合理，品質(zhì)有保證，深受廣大客戶的歡迎。西安倫騫電器自成立以來，一直堅(jiān)持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會(huì)各界的普遍認(rèn)可與大力支持。</p></p><br /><p>文章來源地址: 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