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href="http://www.cdcfah.com/cp/third-qtfxy_yyhtjcy/">一氧化碳檢測(cè)儀</a>?江蘇**便攜式CO分析儀在線咨詢誠信互利中船重工安譜（湖北）儀器供應(yīng)</p><div id="72fwifw" class="leftbox clearfix"><h1>江蘇**便攜式CO分析儀在線咨詢誠信互利中船重工安譜（湖北）儀器供應(yīng)</h1><div id="n8xzlyv" class="proBig"><div id="qhiprdk" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/anpuyq/637127165015214844/2567465.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mb79n3v" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/anpuyq/637127165015214844/2567465.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yxumjqi" 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>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇**便攜式CO分析儀在線咨詢,便攜式CO分析儀</p><p><span>***更新：</span>2020-10-13 05:06:37</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="apryv2w" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">中船重工安譜（湖北）儀器有限公司</a></p><p><span>聯(lián)系人：</span>李雪</p><p><span>郵箱: </span>lx@hzgli.com</p><p><span>電話: </span>19171399710</p><p><span>傳真: </span>0571_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0571-86094492</p><p><span>地址: </span>高新區(qū)蘭臺(tái)路13號(hào)</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="39vc3ys" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="oya3cgi" class="box"><p><p> BP神經(jīng)網(wǎng)絡(luò)簡介誤差反向傳播(ErrorBackpagation，BP)神經(jīng)網(wǎng)絡(luò)是20世紀(jì)80年代中后期由Rumelhart、lelland等科學(xué)家成立的ParallelDistributedcession小組提出的[30]，它能學(xué)習(xí)和儲(chǔ)存大量輸入-輸出模式的映射關(guān)系，已經(jīng)證明，BP神經(jīng)網(wǎng)絡(luò)不再局限在處理簡單的線性問題上，更具有實(shí)現(xiàn)任何復(fù)雜的非線性映射的能力，而且無需事前揭示描述這種映射關(guān)系的數(shù)學(xué)模型或方程，特別適合求解內(nèi)部機(jī)制復(fù)雜的問題。解決了多層神經(jīng)網(wǎng)絡(luò)的學(xué)習(xí)問題，極大地促進(jìn)了神經(jīng)網(wǎng)絡(luò)的發(fā)展，成為目前應(yīng)用*****的神經(jīng)網(wǎng)絡(luò)模型之一。在Lambert-Beer定律中的吸收系數(shù)&是一個(gè)非常復(fù)雜的量，它受環(huán)境溫度、壓強(qiáng)，江蘇**便攜式CO分析儀在線咨詢、氣體種類、入射光波長等因素的影響，并且是非線性關(guān)系，無法獲得準(zhǔn)確的解析式，如果在測(cè)量co2氣體濃度時(shí)將環(huán)境溫度、壓強(qiáng)等看成理想狀態(tài)，吸收系數(shù)&考慮成定值，貝IJ失去了在實(shí)際應(yīng)用中的意義。與大多數(shù)紅外co2氣體濃度測(cè)量裝置采用**小二乘法對(duì)不同環(huán)境下co2氣體的測(cè)量結(jié)果進(jìn)行直線、多項(xiàng)式或**擬合不同，本論文考慮到BP神經(jīng)網(wǎng)絡(luò)在解決非線性問題上具有獨(dú)特的優(yōu)越性，決定采用這一種新型的建模方案來建立一個(gè)“三輸入-單輸出”模型，江蘇**便攜式CO分析儀在線咨詢。將紅外探測(cè)器輸出的參考通道信號(hào)，江蘇**便攜式CO分析儀在線咨詢、測(cè)量通道信號(hào)。中船重工安譜儀器生產(chǎn)的GFC-500A便攜式紅外CO分析儀采用非分光紅外光譜技術(shù)，質(zhì)量可靠。江蘇**便攜式CO分析儀在線咨詢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇**便攜式CO分析儀在線咨詢,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127165015214844/2567465.png"></div><p> 中船重工安譜GFC-500A便攜式紅外CO分析儀采用非分光紅外光譜技術(shù)，基本原理是CO分子對(duì)特定紅外光具有吸收效應(yīng)。該儀器通過設(shè)計(jì)穩(wěn)定可靠的多次反射吸收池來提高檢測(cè)靈敏度，并采用氣體濾波技術(shù)增強(qiáng)復(fù)雜環(huán)境下的抗干擾能力。 </p> <p> 產(chǎn)品概述 </p> <p> 中船重工安譜GFC-500A便攜式紅外CO分析儀采用非分光紅外光譜技術(shù)，基本原理是CO分子對(duì)特定紅外光具有吸收效應(yīng)，基本關(guān)系符合Beer-Lambert定律。該儀器通過設(shè)計(jì)穩(wěn)定可靠的多次反射吸收池來提高檢測(cè)靈敏度，并采用氣體濾波技術(shù)增強(qiáng)復(fù)雜環(huán)境下的抗干擾能力。 </p> <p> 中船重工安譜儀器符合《公共場(chǎng)所衛(wèi)生檢驗(yàn)方法》的國家標(biāo)準(zhǔn)，滿足《一氧化碳、二氧化碳紅外線氣體分析器》中規(guī)定的計(jì)量檢測(cè)要求，已通過國家計(jì)量部門的型式評(píng)價(jià)，并取得了生產(chǎn)許可證書。產(chǎn)品可廣泛應(yīng)用于環(huán)境監(jiān)測(cè)、化工、石油、倉儲(chǔ)、疾控等領(lǐng)域。 </p> <p> 技術(shù)指標(biāo) </p> <p> 檢測(cè)原理非分光紅外光譜技術(shù)（NDIR)檢測(cè)種類CO </p> <p> 檢測(cè)范圍0～50ppm </p> <p> 檢測(cè)精度≤±·S重復(fù)性≤響應(yīng)時(shí)間≤90秒預(yù)熱時(shí)間≥30分零點(diǎn)漂移≤·S/24h量程漂移≤±·S/24h單位ppm或mg/m3，可切換氣體流量。福建**便攜式CO分析儀咨詢客服中船重工安譜生產(chǎn)的便攜式紅外CO分析儀質(zhì)量好，廠家直銷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇**便攜式CO分析儀在線咨詢,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127160320576172/4757719.png"></div><p> 中船安譜便攜式紅外CO分析儀采用非分光紅外光譜技術(shù)，基本原理是CO分子對(duì)特定紅外光具有吸收效應(yīng)，基本關(guān)系符合Beer-Lambert定律。該儀器通過設(shè)計(jì)穩(wěn)定可靠的多次反射吸收池來提高檢測(cè)靈敏度，并采用氣體濾波技術(shù)增強(qiáng)復(fù)雜環(huán)境下的抗干擾能力。 </p> <p> <br /> </p> <p> 一氧化碳其應(yīng)用范圍越來越廣．檢測(cè)儀在工業(yè)、環(huán)境監(jiān)測(cè)和日常生活等方面有***的應(yīng)用市場(chǎng)。實(shí)時(shí)、準(zhǔn)確地測(cè)出這些場(chǎng)合CO的濃度，對(duì)保障工業(yè)安全生產(chǎn)、提高人們生活質(zhì)量具有十分重要的意義。幾種常見的檢測(cè)方法對(duì)CO氣體檢測(cè)的適用方法有紅外吸收探測(cè)法、氣相色譜法、半導(dǎo)體法、電化學(xué)氣體傳感器檢測(cè)法等。紅外吸收探測(cè)法理論與實(shí)踐研究證明．每一種氣體在紅外輻射波段都有一條或數(shù)條特征吸收光譜。當(dāng)紅外輻射通過被測(cè)氣體時(shí)，其分子吸收光能量，吸收關(guān)系遵循朗伯一貝爾(Lamber-Beer)定律．當(dāng)氣體濃度很低或吸收層很薄時(shí)．被測(cè)氣體所吸收的光能量近似與氣體含量呈線性關(guān)系。c0氣體能吸收的紅外線波長為2．37／xm和4，65pL，n．而且對(duì)4．65斗m的紅外線吸收能力**強(qiáng)。 </p> <p> <br /> </p><p> 樣品的分析取樣點(diǎn)要選擇在氣體具有代表性的地點(diǎn)，才能測(cè)得真實(shí)的濃度，用采樣袋采樣前先用現(xiàn)場(chǎng)空氣洗 3 - 4 次，然后再采樣，并保證足夠的采氣量（至少 500ml），并防止漏氣，被測(cè)氣路要盡可能地短，以減少滯后時(shí)間。為避免污染，樣品氣體要經(jīng)過玻璃纖維膜去除顆粒物，并干燥后再進(jìn)入儀器。結(jié)果計(jì)算每一臺(tái)紅外分析器都附有一條分析信號(hào)輸出特性曲線（mA - ppm 曲線）記錄儀表上指示的電流 mA 值，在曲線上可查出相應(yīng)的 ppm 值，再通過 </p> <p> 公式 CO（mg / m3）= l. 25C（ppm）計(jì)算出需要的**終結(jié)果。或找出 ppm 值與 mA 值的函數(shù)關(guān)系，進(jìn)而換算 mg / m3 值與 mA 的函數(shù)關(guān)系，可通過輸出 mA 值直接計(jì)算出 mg / m3 值 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇**便攜式CO分析儀在線咨詢,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127043693906250/9264575.jpg"></div><p> 一氧化碳¨o是瓦斯中主要的有害氣體，無色、無味、可燃、比重較空氣輕，容易引起人的窒息死亡。當(dāng) 空氣中一氧化碳的濃度達(dá)到12．5％一74％時(shí)，遇到火花就會(huì)發(fā)生劇烈。生活中，煤氣灶及家用天然氣漏氣、煤爐燃燒不充分等都會(huì)產(chǎn)生一氧化碳，工業(yè)生產(chǎn)的從業(yè)者如煤礦工人等都會(huì)接觸到一氧化碳。 </p> <p> 傳統(tǒng)的電化學(xué)一氧化碳傳感器利用氣體在敏感電極表面發(fā)生氧化反應(yīng)，產(chǎn)生電流并通過外電路流經(jīng)電極的原理來檢測(cè)氣體濃度。長期以來，電化學(xué)CO傳感器因其靈敏度高、經(jīng)濟(jì)可靠等特點(diǎn)而得到迅速發(fā)展。但是由于其對(duì)氣體的選擇性差，很容易中毒等，導(dǎo)致其誤報(bào)的概率大。該紅外一氧化碳檢測(cè)儀基于氣體對(duì)紅外光選擇性吸收的原理，根據(jù)檢測(cè)紅外光被吸收的程度，判定被測(cè)氣體的濃度值∞3，避免了中毒(指?jìng)鞲衅鞔呋瘎┦?活力，不能與被測(cè)試氣體發(fā)生反應(yīng)而產(chǎn)生電信號(hào)的現(xiàn)象)。采用32位DSP作為**處理器，處理速度快、實(shí)時(shí)性好、精確度高，能夠準(zhǔn)確測(cè)量出一氧化碳濃度值，ZigBee無線收發(fā)數(shù)據(jù)的設(shè)計(jì)，克服了實(shí)際線路損壞的影響，使檢測(cè)儀的實(shí)用性更強(qiáng)，為煤礦的安全生產(chǎn)提供了重要保證。福建**便攜式CO分析儀咨詢客服</p><p style="text-indent:25px">江蘇**便攜式CO分析儀在線咨詢</p><p> 中船安譜儀器符合GFC-500A便攜式紅外CO分析儀符合 GB/T18204.2-2014《公共場(chǎng)所衛(wèi)生檢驗(yàn)方法》的國家標(biāo)準(zhǔn)，滿足JJG635-2011《一氧化碳、二氧化碳紅外線氣體分析器》中規(guī)定的計(jì)量檢測(cè)要求，已通過國家計(jì)量部門的型式評(píng)價(jià)，并取得了生產(chǎn)許可證書。產(chǎn)品可***應(yīng)用于環(huán)境監(jiān)測(cè)、化工、石油、倉儲(chǔ)、疾控等領(lǐng)域。 </p> <p> 隨著空氣污染的日益嚴(yán)峻，人們對(duì)大氣中的污染氣體倍加關(guān)注。CO屬于大氣中的重要污染物。它無色無味，化學(xué)性質(zhì)穩(wěn)定，主要來源于燃煤和機(jī)動(dòng)車排氣，O作為一種重要的污染氣體應(yīng)當(dāng)引起人們足夠的重視。氣體濾波相關(guān)技術(shù) (gas filter correlation，GFC)是一種比較經(jīng)典的弱信號(hào)檢測(cè)方法，有著很***的用途，通常用在低濃度精確測(cè)量場(chǎng)合或有背景氣體干擾的測(cè)量場(chǎng)合，它是用充氣池來替代測(cè)量濾波器和參比濾波器，參比池充有高濃度的待測(cè)氣體，測(cè)量池通常情況下充有N2。GFC-500A便攜式紅外CO分析儀采用非分光紅外光譜技術(shù)，基本原理是CO分子對(duì)特定紅外光具有吸收效應(yīng)，基本關(guān)系符合Beer-Lambert定律。該儀器通過設(shè)計(jì)穩(wěn)定可靠的多次反射吸收池來提高檢測(cè)靈敏度，并采用氣體濾波技術(shù)增強(qiáng)復(fù)雜環(huán)境下的抗干擾能力。江蘇**便攜式CO分析儀在線咨詢</p><p style="text-indent:25px">中船重工安譜（湖北）儀器有限公司成立于2016年6月，位于全國旅游名城——湖北省宜昌市。公司由中國船舶集團(tuán)有限公司批準(zhǔn)，是一家央企控股的高科技儀器公司。公司由中船重工第七一〇研究所、中船重工科技投資發(fā)展有限公司及**技術(shù)持有者共同注資成立。公司定位面向“**、環(huán)境監(jiān)測(cè)、生命健康”三個(gè)方向，開展**分析檢測(cè)儀器的研發(fā)、生產(chǎn)及銷售。公司成立以來先后并得到湖北省科技廳、湖北省安監(jiān)局、宜昌市科技局、陸軍裝備部、海軍研究院等軍地多個(gè)部門的項(xiàng)目支持。公司占地面積約3500平米，下設(shè)化學(xué)實(shí)驗(yàn)室、機(jī)械實(shí)驗(yàn)室、電學(xué)實(shí)驗(yàn)室、光學(xué)實(shí)驗(yàn)室、聯(lián)調(diào)總裝實(shí)驗(yàn)室等多個(gè)實(shí)驗(yàn)室，同時(shí)設(shè)有**的生產(chǎn)車間，能達(dá)到年產(chǎn)量10000臺(tái)套儀器生產(chǎn)水平。公司以建設(shè)一支“上下一心、勇猛頑強(qiáng)、專業(yè)***、成長迅速”的人才隊(duì)伍為目標(biāo)，現(xiàn)有員工70余人，其中博士2人，碩士30余人，高級(jí)工程師3人，湖北省英才計(jì)劃**1名。公司技術(shù)人員涵蓋機(jī)械、電子、光學(xué)、軟件、化學(xué)分析、自動(dòng)控制、精密儀器、系統(tǒng)仿真等各個(gè)專業(yè)。公司秉承“客戶***，技術(shù)**”的發(fā)展理念，始終以“攀探測(cè)***，護(hù)華夏安全”使命為己任，聚焦軍民用市場(chǎng)客戶需求，立志成為世界前列的高科技精密儀器公司。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1531660.html</p></div></div></div></div></div><div id="b7gdkbd" class="page-right twoColRt"><div 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