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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>防爆溫度變送器用途,溫度變送器</p><p><span>***更新：</span>2020-10-23 10:26:48</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="ohjlqse" 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="tiaszb8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zdfxelf" class="box"><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(shì)也是有區(qū)分的。接下來為大家詳細(xì)的介紹一下一體化溫度變送器的優(yōu)缺點(diǎn)。 </p> <p> 一體化溫度變送器有以下優(yōu)點(diǎn)：(1)節(jié)省了熱電偶系統(tǒng)補(bǔ)償導(dǎo)線或延長(zhǎng)線的投資，只需兩根普通導(dǎo)線供電和輸出信號(hào)，這對(duì)于有眾多側(cè)濕點(diǎn)的過程控制有較大的經(jīng)濟(jì)效益；(2)**控制室與現(xiàn)場(chǎng)的連接導(dǎo)線中傳輸較強(qiáng)的4-20mA直流信號(hào)，比傳遞微弱的熱電勢(shì)的補(bǔ)償導(dǎo)線或連接線有更強(qiáng)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(chǎng)環(huán)境，防塵，防爆溫度變送器用途、抗蝕，不占額外空間。 </p> <p> 一體化溫度變送器的缺點(diǎn)是：每—款的變送器只適合配一種規(guī)格型號(hào)的敏感元件，也無法調(diào)整量程范圍，防爆溫度變送器用途.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，防爆溫度變送器用途.5%、環(huán)境溫度影響約為每1℃變動(dòng)不趙過0.05%.可安裝在-25一80℃的環(huán)境中。溫度變送器模塊的優(yōu)點(diǎn)有：低功耗，導(dǎo)軌安裝，可以密集安裝；更加智能化、數(shù)字化調(diào)校，主動(dòng)零點(diǎn)校準(zhǔn)。防爆溫度變送器用途</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防爆溫度變送器用途,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。河北隔離溫度變送器用途一體化溫度變送器一般由測(cè)溫探頭(熱電偶或熱電阻傳感器)和兩線制固體電子單元組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防爆溫度變送器用途,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329346560810546/6182439.png"></div><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。浪涌的物理術(shù)語解釋是瞬間出現(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，如果受到幾百萬分之一秒時(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。 </p><p> 熱電阻溫度變送器：熱電阻溫度變送器是現(xiàn)代工業(yè)現(xiàn)場(chǎng)、科研院所溫度測(cè)控的儀器儀表。熱電阻溫度變送器也是集散系統(tǒng)、數(shù)字總線系統(tǒng)的必備產(chǎn)品。像是在電廠的測(cè)溫系統(tǒng)中，有很大一部分設(shè)計(jì)時(shí)采用熱電阻溫度變送器，熱電阻溫度變送器將溫度信號(hào)轉(zhuǎn)換成4～20mA的直流電流信號(hào)后，再送到二次儀表或其它數(shù)據(jù)采集系統(tǒng)進(jìn)行溫度數(shù)據(jù)顯示。熱電阻溫度變送器具有結(jié)構(gòu)簡(jiǎn)單、輸出信號(hào)大、抗干擾能力強(qiáng)、線性好、顯示儀表方便、有反接保護(hù)和限流保護(hù)等優(yōu)點(diǎn)。熱電阻溫度變送器中的熱電阻是中低溫區(qū)常用的一種測(cè)溫元件。熱電阻利用物質(zhì)在溫度變化時(shí)，本身電阻也隨著發(fā)生變化的特性，來測(cè)量溫度的。當(dāng)被測(cè)介質(zhì)中有溫度梯度存在時(shí)，所測(cè)得的溫度感溫元件所在范圍內(nèi)介質(zhì)層中的平均溫度。它的特點(diǎn)是測(cè)量精度高、性能穩(wěn)定。其中鉑熱電阻的測(cè)量準(zhǔn)確度較高。溫度變送器的放大單元的作用是將量程單元輸出的毫伏信號(hào)進(jìn)行電壓和功率放大，輸出統(tǒng)一的直流電流信號(hào)或直流電壓信號(hào)。終，溫度變送器將溫度信號(hào)轉(zhuǎn)換成為統(tǒng)一標(biāo)準(zhǔn)信號(hào)，提供給指示、記錄儀或調(diào)節(jié)器等，以實(shí)現(xiàn)對(duì)溫度參數(shù)的顯示、記錄或自動(dòng)控制。溫度變送器模塊是一種添加了部分智能電阻板的智能化模塊，可與各類儀器儀表配套使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防爆溫度變送器用途,溫度變送器" src="https://tyunfile.71360.com/WaterMark/UploadFile/xalunqian/637329347283603515/2948782.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(jí)熱電偶或熱電阻傳感器將被測(cè)溫度轉(zhuǎn)換成電信號(hào)，再將該信號(hào)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(bǔ)償?shù)认嚓P(guān)電路。經(jīng)調(diào)零后的信號(hào)輸入到運(yùn)算放大器進(jìn)行信號(hào)放大，放大的信號(hào)一路經(jīng)V/I轉(zhuǎn)換器計(jì)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(duì)熱電阻傳感器，用正反饋方式校正，對(duì)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。溫度變送器主要由測(cè)量傳感器、模塊電路、顯示表頭、表殼和其他組件連接組成。甘肅普通溫度變送器品牌</p><p style="text-indent:25px">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。防爆溫度變送器用途</p><p> 小型溫度變送器詳細(xì)信息: </p> <p> 產(chǎn)品概述：采用進(jìn)口測(cè)溫元件，熱響應(yīng)時(shí)間快，抗熱性能好。 </p> <p> 特點(diǎn)：熱響應(yīng)時(shí)間快;結(jié)構(gòu)可定制，也可定制帶現(xiàn)場(chǎng)顯示的。 </p> <p> 技術(shù)規(guī)格：測(cè)溫元件： PT100 ;精度等級(jí)：A級(jí)：±（0.15+0.2%t）； B級(jí) ：±（0.3+0.5%t）;溫度范圍：-50℃~600℃~1300℃;保護(hù)管材質(zhì)：304不銹鋼，316L不銹鋼或指定材質(zhì);輸出：可選擇4--20mA(兩線制) ,0--10V（三線，四線）;過程連接：G1/2，M14，M20;接線盒形式：不銹鋼;電氣接口：赫斯曼或DIN接頭。 </p> <p> 應(yīng)用：造紙、水電、化纖等設(shè)備。防爆溫度變送器用途</p><p style="text-indent:25px">西安倫騫電器設(shè)備有限責(zé)任公司致力于儀器儀表，是一家生產(chǎn)型公司。西安倫騫電器致力于為客戶提供良好的雷達(dá)料位計(jì)，雷達(dá)物位計(jì)，壓力變送器，溫度變送器，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于儀器儀表行業(yè)的發(fā)展。西安倫騫電器立足于全國市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1675946.html</p></div></div></div></div></div><div id="txzbdkh" class="page-right twoColRt"><div id="iskh3am" class="box01 margin10 clearfix"><h3><a 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