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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="n8rdahe" 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="32pwd8x" 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>湖北質(zhì)量便攜式CO分析儀廠家報(bào)價,便攜式CO分析儀</p><p><span>***更新：</span>2020-11-13 07:08:50</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="pzw2bdk" 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="cgdxuwi" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hrog88u" class="box"><p><p> 測定空氣中 CO 氣體濃度，國家規(guī)定有非分散紅外吸收法，定電位電解法、置換汞法、氣相色譜法等，其中非分散紅外吸收法是國家標(biāo)準(zhǔn)方法。儀器的預(yù)熱準(zhǔn)備工作使用前，至少提前 0.5h 開機(jī)預(yù)熱。分析器的檢測器需在 40C的恒溫條件下才能工作，此時儀器的輸出方有效，其標(biāo)志信號為：儀器板面上的綠色“加熱”指示燈已亮，紅色的氖燈進(jìn)入亮滅的閃光狀態(tài)，湖北質(zhì)量便攜式CO分析儀廠家報(bào)價，表明分析器已進(jìn)入恒溫階段。此時方可進(jìn)行零點(diǎn)及靈敏度的調(diào)節(jié)和校正，湖北質(zhì)量便攜式CO分析儀廠家報(bào)價。零點(diǎn)調(diào)節(jié)儀器一般用高純（99. 99%）氮?dú)庹{(diào)零，也可用經(jīng)霍加拉特管（加熱至 90 - l00C）凈化后的空氣調(diào)零。檢測含有較高濃度的 CO 污染源氣體時，也可用新鮮空氣檢查零點(diǎn)，湖北質(zhì)量便攜式CO分析儀廠家報(bào)價。 </p> <p> <br /> 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。湖北質(zhì)量便攜式CO分析儀廠家報(bào)價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北質(zhì)量便攜式CO分析儀廠家報(bào)價,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127161997363281/3180751.png"></div><p> <p> 中船安譜儀器符合GFC-500A便攜式紅外CO分析儀符合《公共場所衛(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)量檢測要求，已通過國家計(jì)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> 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，當(dāng)大氣中CO達(dá)到一定濃度時，心肌梗塞患者發(fā)病率會增高，達(dá)到某一更高濃度時，嚴(yán)重心臟病人就會死亡?？梢?，CO作為一種重要的污染氣體應(yīng)當(dāng)引起人們足夠的重視。 </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)。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> <p> <br /> 湖北自動便攜式CO分析儀誠信企業(yè)推薦中船重工安譜生產(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="湖北質(zhì)量便攜式CO分析儀廠家報(bào)價,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127161010039062/4427614.png"></div><p> 便攜式紅外CO分析儀，可廣泛應(yīng)用于環(huán)境監(jiān)測、疾控、化工、石油、倉儲等領(lǐng)域。 </p> <p> 一氧化碳(CO)是**為常見的一種0有害的可燃可爆性氣體，它給工業(yè)安傘生產(chǎn)帶來了巨大的危害。因此研制一種能夠?qū)崟r準(zhǔn)確地測量一氧化碳?xì)怏w濃度的氣體檢測儀是非常必要的。目前應(yīng)用于一氧化碳?xì)怏w的檢測方式主要有氣相色譜法、光干涉法、半導(dǎo)體氣體傳感器、紅外光譜吸收式[1。一等，以上四種一氧化碳?xì)怏w濃度測量方法各有優(yōu)缺點(diǎn)。然而紅外光譜吸收法表現(xiàn)出更多的優(yōu)點(diǎn)，紅外光譜吸收式的基本原理L亂為：將窄帶光源波長對準(zhǔn)被測氣體某一吸收峰，用正弦信號對激光波長進(jìn)行調(diào)制，調(diào)制后的激光通過被測氣體，由于氣體的吸收效應(yīng)，波長調(diào)制轉(zhuǎn)換為強(qiáng)度調(diào)制，當(dāng)激光中心波長對準(zhǔn)氣體吸收峰的中心處，輸出光包含有調(diào)制頻率的二次諧波信號，而且信號幅度正比于氣體的濃度。通過提取吸收信號的二次諧波，便可實(shí)現(xiàn)氣體濃度的測量。與差分吸收法相比，諧波檢測法具有更高的分辨率。本文采用紅外光譜吸收式來實(shí)現(xiàn)對一氧化碳?xì)怏w濃度的測量。在一氧化碳?xì)怏w檢測儀的設(shè)計(jì)過程中，將拉格朗日插值思想應(yīng)用于數(shù)據(jù)處理。本文主要對一氧化碳?xì)怏w檢測儀中算法的設(shè)計(jì)進(jìn)行研究，對數(shù)據(jù)進(jìn)行比較好化處理。 </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(xì)分為近紅外光區(qū)、中紅外光區(qū)、遠(yuǎn)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(yùn)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(qiáng)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="湖北質(zhì)量便攜式CO分析儀廠家報(bào)價,便攜式CO分析儀" src="http://tyunfile.71360.com/UploadFile/anpuyq/637127043693906250/9264575.jpg"></div><p> 紅外線分析儀主要由檢測器、信號處理線路和液晶顯示器組成，其分類方法主要有：從是否把紅外光束變成單色光來分類，可分為不分光式和分光式，目前采用的主要是不分光式；從光學(xué)系統(tǒng) </p> <p> 來分，有光路和單光路；從采用的紅外線檢測器來分，有微音器(薄膜電容型)和半導(dǎo)體型，如ABB </p> <p> 采用微音器，SIMENS采用半導(dǎo)體型。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(jì)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> 儀器符合GB/T18204.2-2014《公共場所衛(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)量檢測要求，已通過國家計(jì)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。福建口碑好便攜式CO分析儀銷售價格</p><p style="text-indent:25px">湖北質(zhì)量便攜式CO分析儀廠家報(bào)價</p><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(diǎn)，在本儀器的設(shè)計(jì)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(jì)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。湖北質(zhì)量便攜式CO分析儀廠家報(bào)價</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、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(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)室等多個實(shí)驗(yàn)室，同時設(shè)有**的生產(chǎn)車間，能達(dá)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(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(hù)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/1971630.html</p></div></div></div></div></div><div id="ey2wiub" class="page-right twoColRt"><div id="xmegikr" class="box01 margin10 clearfix"><h3><a 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