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href="http://www.cdcfah.com/cp/third-qtfxy_yyhtjcy/">一氧化碳檢測儀</a>?湖北專業(yè)便攜式CO分析儀廠家實力雄厚值得信賴中船重工安譜（湖北）儀器供應(yīng)</p><div id="08pxcbk" class="leftbox clearfix"><h1>湖北專業(yè)便攜式CO分析儀廠家實力雄厚值得信賴中船重工安譜（湖北）儀器供應(yīng)</h1><div id="86togsa" class="proBig"><div id="q0em5hi" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/anpuyq/637127161997363281/3180751.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="q3rd5df" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/anpuyq/637127161997363281/3180751.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3o8000x" 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>湖北專業(yè)便攜式CO分析儀廠家實力雄厚</p><p><span>***更新：</span>2020-05-22 18:28:37</p><p><span id="click" >瀏覽次數(shù)：6次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pmaomek" 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="c38yr0y" class="page-proshow02"><p class="title">詳細說明</p><div id="3pwbiby" class="box"><p><p> 樣品的分析取樣點要選擇在氣體具有代表性的地點，湖北專業(yè)便攜式CO分析儀廠家實力雄厚，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，湖北專業(yè)便攜式CO分析儀廠家實力雄厚，湖北專業(yè)便攜式CO分析儀廠家實力雄厚. 25C（ppm）計算出需要的**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 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北專業(yè)便攜式CO分析儀廠家實力雄厚" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127161997363281/3180751.png"></div><p> </p> <p> <br /> </p> <p> 中船安譜儀器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。精度高、穩(wěn)定性好、抗干擾能力強； </p> <p> ◆ 支持內(nèi)部催化自動校零和外部標(biāo)氣手動校零兩種方式； </p> <p> ◆ 內(nèi)置鋰電池供電，工作時間長達5小時，可供戶外使用； </p> <p> ◆ 儀器內(nèi)置存儲器，可存儲5000組數(shù)據(jù)，也可將數(shù)據(jù)導(dǎo)出到PC機； </p> <p> ◆ 提供RS485接口，可用于和上位機通信； </p> <p> ◆ 具有聲光報警功能，報警閾值可調(diào)。 </p> 一氧化碳其應(yīng)用范圍越來越廣．檢測儀在工業(yè)、環(huán)境監(jiān)測和日常生活等方面有***的應(yīng)用市場。實時、準(zhǔn)確地測出這些場合CO的濃度，對保障工業(yè)安全生產(chǎn)、提高人們生活質(zhì)量具有十分重要的意義。幾種常見的檢測方法對CO氣體檢測的適用方法有紅外吸收探測法、氣相色譜法、半導(dǎo)體法、電化學(xué)氣體傳感器檢測法等。紅外吸收探測法理論與實踐研究證明．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)紅外輻射通過被測氣體時，其分子吸收光能量，吸收關(guān)系遵循朗伯一貝爾(Lamber-Beer)定律． <p> <br /> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北專業(yè)便攜式CO分析儀廠家實力雄厚" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127165082841797/2407927.png"></div><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，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="湖北專業(yè)便攜式CO分析儀廠家實力雄厚" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127043693906250/9264575.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/6949.html</p></div></div></div></div></div><div id="xnest0n" class="page-right twoColRt"><div id="tszbctd" class="box01 margin10 clearfix"><h3><a 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