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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ehfqxug" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/anpuyq/637127043693906250/9264575.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8pjg3ac" 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>湖北口碑好便攜式CO分析儀銷售廠家</p><p><span>***更新：</span>2020-06-05 04:14:45</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="edfmof7" 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="wa3vnu3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="a3uwta2" class="box"><p><p> 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(qiáng)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，鍋爐等燃燒排放的一氧化碳引起的環(huán)境污染日趨嚴(yán)重；在煤氣、井下作業(yè)等場合，由一氧化碳引起的中毒***也頻繁發(fā)生。因此，實時、準(zhǔn)確地測出這些場合一氧化碳?xì)怏w的濃度，對保障生產(chǎn)、生活安全具有十分重要的意義。近年來，已有多種采用離子傳導(dǎo)性固體電解質(zhì)型探測器的一氧化碳濃度測量裝置投入使用。由于這些裝置普遍都存在著靈敏度低、穩(wěn)定性差及易受環(huán)境影響等缺點，因而難以在條件惡劣的工業(yè)環(huán)境下長期使用；也有采用時間雙光束結(jié)構(gòu)的濃度測量系統(tǒng)，雖具有單光源、單氣室、單探測器的優(yōu)點，但由于其活動部件多，因而力學(xué)性能差；還有采用空間雙光束結(jié)構(gòu)的，雖克服了時間雙光束結(jié)構(gòu)及離子傳導(dǎo)性固體電解質(zhì)型探測器的缺點，湖北口碑好便攜式CO分析儀銷售廠家，但結(jié)構(gòu)復(fù)雜，元器件多，湖北口碑好便攜式CO分析儀銷售廠家，且對加工、裝配工藝要求高，造價昂貴。近年來，湖北口碑好便攜式CO分析儀銷售廠家，雖有多人報導(dǎo)過利用光譜結(jié)構(gòu)的變化進(jìn)行濃度測量的方法，但目前還難以付諸工業(yè)應(yīng)用。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北口碑好便攜式CO分析儀銷售廠家" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127043693906250/9264575.jpg"></div><p> 光源及其調(diào)制技術(shù) ，目前國內(nèi)多數(shù)氣體檢測儀器的光源都采用鎳锘絲作為光源，并使用機(jī)械轉(zhuǎn)動的方法調(diào)制光源，這就造成了光源的不穩(wěn)定和抗震性差等缺點，在本儀器的設(shè)計過程中充分的考慮到該因素，所以本儀器選用了PerkinElmer公司生產(chǎn)的IRL715紅外光源，該光源發(fā)出的波長范圍為從可見的光波長到59in，在5V電壓驅(qū)動下工作壽命可達(dá)40000小時，輻射強(qiáng)度為0．15±10％MsCP。同時，IRL715的玻璃外罩可以濾去5岫以上紅外光對測量結(jié)果的影響，從而增加了傳感器吸收帶寬的發(fā)射率并且降低了帶寬之外的發(fā)射率。比較大化有用帶寬的比率，提高信噪比。但由于紅外傳感器對光強(qiáng)的變化是敏感的，而對光的***強(qiáng)度不敏感， </p> <p> 因此必須利用單片機(jī)產(chǎn)生的脈沖信號對其進(jìn)行調(diào)制，在設(shè)計中采用了ls開5s關(guān)的間歇工作模式，這樣做一方面使光源調(diào)制深度加 </p> <p> 強(qiáng)，另一方面減小儀器功耗并延長光源的使用壽命，**重要的是在此工作模式下，傳感器、放大器和其它元件的寄生熱減少，可以極大提高系統(tǒng)的信噪比和穩(wěn)定性。另外，為了確保光源的穩(wěn)定性，在電源方面系統(tǒng)采用了高精度的ADP3330來獲得穩(wěn)定的5V工作電壓。從根本上提高了光源供電的穩(wěn)定性，在保證傳感器輸出電壓的精確性方面起到了至關(guān)重要的作用。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北口碑好便攜式CO分析儀銷售廠家" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127161997363281/3180751.png"></div><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《公共場所衛(wèi)生檢驗方法》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***應(yīng)用于環(huán)境監(jiān)測、化工、石油、倉儲、疾控等領(lǐng)域。 </p> <p> 隨著空氣污染的日益嚴(yán)峻，人們對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)典的弱信號檢測方法，有著很***的用途，通常用在低濃度精確測量場合或有背景氣體干擾的測量場合，它是用充氣池來替代測量濾波器和參比濾波器，參比池充有高濃度的待測氣體，測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(qiáng)復(fù)雜環(huán)境下的抗干擾能力。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北口碑好便攜式CO分析儀銷售廠家" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127161997363281/3180751.png"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/150300.html</p></div></div></div></div></div><div id="ajgiebf" class="page-right 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