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href="http://m.cdcfah.com/cp/third-biansongqi_wdbsq/">溫度變送器</a>?河北氣動系統(tǒng)溫度變送器怎么樣值得信賴西安倫騫電器設(shè)備供應(yīng)</p><div id="imolhov" class="leftbox clearfix"><h1>河北氣動系統(tǒng)溫度變送器怎么樣值得信賴西安倫騫電器設(shè)備供應(yīng)</h1><div id="pzgikwy" class="proBig"><div id="j3n974w" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329346476562500/8679498.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qfhe8hv" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329346476562500/8679498.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tifxeqx" 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>河北氣動系統(tǒng)溫度變送器怎么樣,溫度變送器</p><p><span>***更新：</span>2020-12-29 00:23:44</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="8proqcz" 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(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="52swy3g" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="t78y9yq" class="box"><p><p> 智能溫度變送器具有6大優(yōu)點； </p> <p> (1)，河北氣動系統(tǒng)溫度變送器怎么樣、不易受寄生熱電偶和沿電線電阻壓降和溫漂的影響，可用非常便宜的更細(xì)的雙絞線導(dǎo)線； </p> <p> (2)、在電流源輸出電阻足夠大時，經(jīng)磁場耦合感應(yīng)到導(dǎo)線環(huán)路內(nèi)的電壓，不會產(chǎn)生明顯影響，因為干擾源引起的電流極小，一般情況利用雙絞線就能降低干擾； </p> <p> (3)、電容性干擾會導(dǎo)致jieshouqi電阻有關(guān)誤差，對于4-20mA兩線制環(huán)路，jieshouqi電阻通常為250Ω（取樣Uout=1～5V）這個電阻小到不足以產(chǎn)生明顯誤差，因此，可以允許的電線長度比電壓遙測系統(tǒng)更長更遠(yuǎn)； </p> <p> (4)、各個單臺示讀裝置或記錄裝置可以在電線長度不等的不同通道間進(jìn)行換接，不因電線長度的不等造成精度的差異； </p> <p> (5)、將4mA用于零電平，河北氣動系統(tǒng)溫度變送器怎么樣，使判斷輸送線開路或傳感器損壞（0mA狀態(tài)）十分方便。 </p> <p> (6)，河北氣動系統(tǒng)溫度變送器怎么樣,在兩線輸出口容易增設(shè)防浪涌,防雷器件,有利于安全防雷防爆。溫度變送器的失效形式分為風(fēng)險失效、安全失效和無影響失效。河北氣動系統(tǒng)溫度變送器怎么樣</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北氣動系統(tǒng)溫度變送器怎么樣,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329346476562500/8679498.png"></div><p> 溫度變送器選型: </p> <p> 首先，根據(jù)溫度測量范圍，選擇相應(yīng)的熱電阻溫度變送器、熱電偶溫度變送器或者熱敏電阻溫度變送器。其次，對于連接方式的選擇。一般情況可選用螺紋連接方式，對下列場合應(yīng)選用法蘭連接方式：在設(shè)備、襯里管道和有色金屬管道上安裝；結(jié)晶、結(jié)疤、堵塞和強腐蝕性介質(zhì)：易燃、易爆和劇毒介質(zhì)。第三，依據(jù)使用環(huán)境的不同，需要按下面的原則為溫度變送器選用接線盒。條件較好的場所：可選擇普通溫度變送器接線盒即可。潮濕或露天場所：需要有防水效果的防濺、防水溫度變送器接線盒。易燃、易爆場所：從工況環(huán)境安全性的考慮，必須選用防爆式溫度變送器接線盒。第四，對于溫度變送器探針長度的選擇。溫度變送器插入探針長度應(yīng)選擇以檢測元件插至被測介質(zhì)溫度變化靈敏具有dai biao性的位置為原則。溫度變送器的探針材質(zhì)硬不低于設(shè)備或管道材質(zhì)。必要時可謂溫度變送器加保護套管。 </p> <p> 隨著技術(shù)的提升，溫度變送器的應(yīng)用場合也越來越多，像是石油、化工、化纖；紡織、橡膠、建材；電力、冶金、醫(yī)藥；食品等工業(yè)領(lǐng)域現(xiàn)場測溫過程控制；計算機測控系統(tǒng)等都離不開對溫度的監(jiān)控。溫度變送器也可與其它儀表進(jìn)行配套使用。河北氣動系統(tǒng)溫度變送器怎么樣溫度變送器將物理測量信號或普通電信號轉(zhuǎn)換為標(biāo)準(zhǔn)電信號輸出或能夠以通訊協(xié)議方式輸出的設(shè)備。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北氣動系統(tǒng)溫度變送器怎么樣,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329346917041015/5760514.png"></div><p> 顯示型 - 溫度變送器詳細(xì)信息： </p> <p> ☉ 輸出：4 - 20mA兩線制可帶HART協(xié)議 </p> <p> ☉ 組態(tài)：撥碼開關(guān)＋PC可編程（需帶軟件） </p> <p> ☉ 精度：≤0.2%或0.2K </p> <p> ☉ 穩(wěn)定性：≤0.1℃／年或0.05%／年 </p> <p> ☉ 防雷：±4000V（≤5次） </p> <p> ☉ 抗脈沖：±3000～4000V </p> <p> ☉ 溫度漂移：0.008% FS I／1℃ </p> <p> ☉ 防爆型鑄鋁外殼防水達(dá)到IP67 </p> <p> ☉ 產(chǎn)品安全性能達(dá)到SIL2級熱電偶或熱電阻傳感器將被測溫度轉(zhuǎn)換成電信號，再將該信號送入變送器的輸入網(wǎng)絡(luò)，該網(wǎng)絡(luò)包含調(diào)零和熱電偶補償?shù)认嚓P(guān)電路。經(jīng)調(diào)零后的信號輸入到運算放大器進(jìn)行信號放大，放大的信號一路經(jīng)V/I轉(zhuǎn)換器計算處理后以4－20mA直流電流輸出；另一路經(jīng)A/D轉(zhuǎn)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(jìn)行校正。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顯示的溫度變送器用三線制方式輸出。 </p><p> 無線溫度變送器是一種小型、優(yōu)良性能、無線傳輸、高精度的測溫儀表。體積小，重量輕、使用安裝方便，將控制對象的溫度參數(shù)變成電信號,傳遞給顯示/調(diào)節(jié)面板,并對接收終端發(fā)送無線信號，對系統(tǒng)實行檢測、調(diào)節(jié)和控制?？芍苯影惭b在一般工業(yè)熱電阻、熱電偶的接線盒內(nèi)，與現(xiàn)場傳感元件構(gòu)成一體化結(jié)構(gòu)。這樣不僅節(jié)省了補償導(dǎo)線和電纜，而且減少了信號傳遞失真和干擾，從而獲的了高精度的測量結(jié)果。無線型溫度變送器無線收發(fā)數(shù)據(jù)，通常和無線中繼、接收終端、通信串口、電子計算機等配套使用，輸出無線信號。直接測量各種過程中的-100℃-350℃范圍內(nèi)液體、蒸汽和氣體介質(zhì)以及固體表面溫度。該產(chǎn)品的問世節(jié)省了現(xiàn)場安裝布線成本，且使用方便。無線溫度變送器使用兩節(jié)高性能、大容量的鋰電池供電，一般可使用1.5年以上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北氣動系統(tǒng)溫度變送器怎么樣,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347108144531/6107652.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(jìn)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(yīng)用方便、精度高、穩(wěn)定性好、耐振適應(yīng)各種工業(yè)現(xiàn)場的需要，該產(chǎn)品主要應(yīng)用于石油、化工、機電設(shè)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(zhuǎn)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(yīng)的溫度值。 </p> <p> 三、產(chǎn)品應(yīng)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(nèi)液體，蒸汽和氣體介質(zhì)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(dǎo)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(shè)計，方便使用；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。陜西普通溫度變送器型號齊全</p><p style="text-indent:25px">測得溫度與通訊模塊的實際輸出共同，變送器測溫過程中沒有失效發(fā)生，側(cè)沮功用得到履行。河北氣動系統(tǒng)溫度變送器怎么樣</p><p> 投入式溫度變送器 </p> <p> 產(chǎn)品特點: </p> <p> ·外觀精巧細(xì)致設(shè)計；·零、滿可現(xiàn)場調(diào)校；·反極性保護、過流過壓保護；·抗沖擊、抗震動、耐腐蝕。 </p> <p> 投入式溫度變送器是一種全密封結(jié)構(gòu)，可直接測量生產(chǎn)過程中的-10℃～70℃范圍內(nèi)介質(zhì)的溫度，同時輸出標(biāo)準(zhǔn) 4mA～20mADC 模擬信號或者 RS485 數(shù)字信號。廣用于石油、化工、冶金、電站、輕工等部門，與調(diào)節(jié)器、記錄儀表、計算機等配套使用，為現(xiàn)場使用和自動化控制提供方便。 </p> <p> 性能指標(biāo): </p> <p> 供電電源：供電電壓范圍 10V～30V DC，典型電壓 24V DC； </p> <p> 輸出信號：模擬信號 4mA～20mADC / RS485（與被測溫度成線性關(guān)系）; </p> <p> 環(huán)境溫度：-20℃～80℃; </p> <p> 相對濕度：≤80%; </p> <p> 測量溫度：-10℃～70℃; </p> <p> 準(zhǔn)確度等級：1.0 級; </p> <p> 絕緣電阻：環(huán)境溫度為 15℃～35℃，相對濕度 45%～75%，試驗電壓為 500V DC，輸出接線端子與外套管之間的絕緣電阻不小于 20MΩ。 </p> <p> 結(jié)構(gòu)材料： </p> <p> 探頭外殼：不銹鋼； </p> <p> 防護等級：IP68; </p> <p> 連接電纜：聚乙烯**電纜; </p> <p> 橡膠套管：氯丁橡膠。 </p> <p> <br /> 河北氣動系統(tǒng)溫度變送器怎么樣</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2603394.html</p></div></div></div></div></div><div id="dnkxzb3" class="page-right twoColRt"><div id="7m2smim" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gfcjbip" class="recomPic likePro"><a href="http://m.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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="3kwd8ol" class="recomPic likePro"><a 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