浙江直銷便攜式CO分析儀客戶至上中船重工安譜（湖北）儀器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 中船重工安譜（湖北）儀器有限公司研發(fā)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)，基本原理是CO分子對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"><meta name="keywords" content="浙江直銷便攜式CO分析儀,便攜式CO分析儀"><link rel="canonical" href="http://www.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 name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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class="leftbox clearfix"><h1>浙江直銷便攜式CO分析儀客戶至上中船重工安譜（湖北）儀器供應(yīng)</h1><div id="qi3dnyo" class="proBig"><div id="kx4kk3w" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/anpuyq/637127160320576172/4757719.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lnvlrhs" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/anpuyq/637127160320576172/4757719.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qiap8qv" 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>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>浙江直銷便攜式CO分析儀,便攜式CO分析儀</p><p><span>***更新：</span>2020-08-21 12:12:35</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="e3gv38v" 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: </span>0571-86094492</p><p><span>地址: </span>高新區(qū)蘭臺路13號</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="keu3lg8" class="page-proshow02"><p class="title">詳細說明</p><div id="gto3bcp" class="box"><p><p> 中船重工安譜（湖北）儀器有限公司研發(fā)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)，基本原理是CO分子對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)計穩(wěn)定可靠的多次反射吸收池來提高檢測靈敏度，并采用氣體濾波技術(shù)增強復(fù)雜環(huán)境下的抗干擾能力，浙江直銷便攜式CO分析儀。 </p> <p> 非分光紅外氣體濃度探測技術(shù) ，紅外氣體濃度檢測基于氣體分子對紅外光的選擇吸收，即氣體分子只能吸收那些能量正好等于它某兩個能級的能量之差的光子。不同氣體分子因為其不同結(jié)構(gòu)所決定的不同能級而吸收不同頻率的光子。當(dāng)一束紅外光通過充有氣體的氣室時，氣體分子吸收光能量。如果氣體吸收譜線在入射光源光譜范圍內(nèi)，那么光通過氣體以后，在相應(yīng)譜線處會發(fā)生光強的衰減。非分光紅外技術(shù)采用單光束雙波長的探測方法。紅外光源發(fā)出單束紅外光通過測量氣室，在探測器端設(shè)置 2 個**的探測單元，浙江直銷便攜式CO分析儀，且表面附有的濾光片窗口，分別為探測窗口和參考窗口，浙江直銷便攜式CO分析儀。探測窗口透射頻帶位于 CO 氣體吸收中心，參考窗口透射頻帶遠離該區(qū)域且不被其他氣體吸收中船重工安譜生產(chǎn)的便攜式紅外CO分析儀質(zhì)量好，廠家直銷。浙江直銷便攜式CO分析儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江直銷便攜式CO分析儀,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127160320576172/4757719.png"></div><p> 樣品的分析取樣點要選擇在氣體具有代表性的地點，才能測得真實的濃度，用采樣袋采樣前先用現(xiàn)場空氣洗 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，被測氣路要盡可能地短，以減少滯后時間。為避免污染，樣品氣體要經(jīng)過玻璃纖維膜去除顆粒物，并干燥后再進入儀器。結(jié)果計算每一臺紅外分析器都附有一條分析信號輸出特性曲線（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）計算出需要的**終結(jié)果?；蛘页?ppm 值與 mA 值的函數(shù)關(guān)系，進而換算 mg / m3 值與 mA 的函數(shù)關(guān)系，可通過輸出 mA 值直接計算出 mg / m3 值浙江直銷便攜式CO分析儀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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江直銷便攜式CO分析儀,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127165082841797/2407927.png"></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到12．5％一74％時，遇到火花就會發(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)濟可靠等特點而得到迅速發(fā)展。但是由于其對氣體的選擇性差，很容易中毒等，導(dǎo)致其誤報的概率大。該紅外一氧化碳檢測儀基于氣體對紅外光選擇性吸收的原理，根據(jù)檢測紅外光被吸收的程度，判定被測氣體的濃度值∞3，避免了中毒(指傳感器催化劑失去活力，不能與被測試氣體發(fā)生反應(yīng)而產(chǎn)生電信號的現(xiàn)象)。采用32位DSP作為**處理器，處理速度快、實時性好、精確度高，能夠準確測量出一氧化碳濃度值，ZigBee無線收發(fā)數(shù)據(jù)的設(shè)計，克服了實際線路損壞的影響，使檢測儀的實用性更強，為煤礦的安全生產(chǎn)提供了重要保證。 </p><p> 紅外光譜與氣體分子的選擇吸收 </p> <p> 紅外光譜屬于分子吸收光譜，位于|iim?lOOOjiim波段范圍內(nèi)，處于可見光區(qū)與微波區(qū)之間，又可細分為近紅外光區(qū)、中紅外光區(qū)、遠紅外光區(qū)。分子具有各種不同形式的能量，包括振動能量、轉(zhuǎn)動能量、平動能量等。分子的振動能量比轉(zhuǎn)動能量大，當(dāng)發(fā)生振動能級躍遷時，必定伴隨轉(zhuǎn)動能級的躍遷，因而無法單純測量振動能量，只能得到分子的振動-轉(zhuǎn)動光譜，因此，紅外光譜又稱分子振動-轉(zhuǎn)動光譜。在量子力學(xué)原理中，光是由光子組成的，分子的運動能量是量子化的。分子的振動都有一個內(nèi)在的頻率，由于不同的分子具有不同的微觀結(jié)構(gòu)，從而具有不同的內(nèi)在頻率。從微觀角度來看，當(dāng)氣體受到紅外光輻射時，如果光子頻率與分子內(nèi)在的振動頻率不同，分子振動是不受影響的；如果相同，即產(chǎn)生共振。氣體分子選擇性地吸收這些特定頻率的光子，從而振幅增大，能量增加，由低能級狀態(tài)躍遷到高能級狀態(tài)。在宏觀上表現(xiàn)為光的強度變小。這種由于分子微觀結(jié)構(gòu)不同而導(dǎo)致的吸收光子的波長不同的吸收現(xiàn)象稱為氣體分子的選擇吸收。紅外氣體傳感器就是基于氣體分子對紅外輻射具有選擇吸收的特性而研制出來的。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江直銷便攜式CO分析儀,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127161010039062/4427614.png"></div><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)&是一個非常復(fù)雜的量，它受環(huán)境溫度、壓強、氣體種類、入射光波長等因素的影響，并且是非線性關(guān)系，無法獲得準確的解析式，如果在測量co2氣體濃度時將環(huán)境溫度、壓強等看成理想狀態(tài)，吸收系數(shù)&考慮成定值，貝IJ失去了在實際應(yīng)用中的意義。與大多數(shù)紅外co2氣體濃度測量裝置采用**小二乘法對不同環(huán)境下co2氣體的測量結(jié)果進行直線、多項式或**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“三輸入-單輸出”模型。將紅外探測器輸出的參考通道信號、測量通道信號。浙江小型便攜式CO分析儀</p><p style="text-indent:25px">浙江直銷便攜式CO分析儀</p><p> 中船重工安譜（湖北）儀器有限公司研發(fā)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)，基本原理是CO分子對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)計穩(wěn)定可靠的多次反射吸收池來提高檢測靈敏度，并采用氣體濾波技術(shù)增強復(fù)雜環(huán)境下的抗干擾能力。 </p> <p> 近年來，隨著工業(yè)的發(fā)展，鍋爐等燃燒排放的 CO 引起的環(huán)境污染越來越嚴重；在煤氣、井下作業(yè)等場合，由 CO 引起的中毒***也頻繁發(fā)生。因此，實時、準確地測出這些場合 CO 氣體的濃度，對保障生產(chǎn)、生活安全具有十分重要的意義。 </p> <p> </p> <p> 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)計穩(wěn)定可靠的多次反射吸收池來提高檢測靈敏度，并采用氣體濾波技術(shù)增強復(fù)雜環(huán)境下的抗干擾能力。 </p> <p> 中船重工安譜儀器GFC-500A符合《公共場所衛(wèi)生檢驗方法》的國家標(biāo)準，滿足JJG635-2011《一氧化碳、二氧化碳紅外線氣體分析器》中規(guī)定的計量檢測要求，已通過國家計量部門的型式評價，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、化工、石油、倉儲、疾控等領(lǐng)域。 </p> <p> <br /> 浙江直銷便攜式CO分析儀</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有限公司批準，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、生命健康”三個方向，開展**分析檢測儀器的研發(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部門的項目支持。公司占地面積約3500平米，下設(shè)化學(xué)實驗室、機械實驗室、電學(xué)實驗室、光學(xué)實驗室、聯(lián)調(diào)總裝實驗室等多個實驗室，同時設(shè)有**的生產(chǎn)車間，能達到年產(chǎn)量10000臺套儀器生產(chǎn)水平。公司以建設(shè)一支“上下一心、勇猛頑強、專業(yè)***、成長迅速”的人才隊伍為目標(biāo)，現(xiàn)有員工70余人，其中博士2人，碩士30余人，高級工程師3人，湖北省英才計劃**1名。公司技術(shù)人員涵蓋機械、電子、光學(xué)、軟件、化學(xué)分析、自動控制、精密儀器、系統(tǒng)仿真等各個專業(yè)。公司秉承“客戶***，技術(shù)**”的發(fā)展理念，始終以“攀探測***，護華夏安全”使命為己任，聚焦軍民用市場客戶需求，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/991090.html</p></div></div></div></div></div><div id="ucndtje" class="page-right twoColRt"><div id="twwhcnd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="o2ddetj" class="recomPic likePro"><a 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