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ZWIN-AQMS-600 NOx(氮氧化物)分析儀

ZWIN-AQMS-600 NOx(氮氧化物)分析儀

2024/05/07 產(chǎn)品中心空氣質(zhì)量 570 0

氮氧化物分析儀我公司針對環(huán)境空氣質(zhì)量監(jiān)測、連續(xù)排放監(jiān)測系統(tǒng)（CEMS）中稀釋法測量開發(fā)的一款氣體分析儀產(chǎn)品。

產(chǎn)品介紹原理介紹

氮氧化物分析儀我公司針對環(huán)境空氣質(zhì)量監(jiān)測、連續(xù)排放監(jiān)測系統(tǒng)（CEMS）中稀釋法測量開發(fā)的一款氣體分析儀產(chǎn)品，基于化學(xué)發(fā)光法的技術(shù)原理，并結(jié)合先進(jìn)的微處理技術(shù)，配有內(nèi)置轉(zhuǎn)化爐及臭氧發(fā)生模塊，提供精準(zhǔn)可靠的nmol/mol~μmol/mol(ppb~ppm)級NO/NO2/NOx的測量分析。本產(chǎn)品具有測量精度高、可靠性好、相應(yīng)時間快、操作簡便且適用范圍廣等特點。分析儀支持手動校準(zhǔn)和自動校準(zhǔn)，校準(zhǔn)程序可由用戶自行設(shè)置，且支持遠(yuǎn)程控制和遠(yuǎn)程上傳。實時測量數(shù)據(jù)和儀器狀態(tài)參數(shù)均可實現(xiàn)自動傳輸、查詢等，能夠方便有關(guān)部門及時準(zhǔn)確地掌握空氣質(zhì)量狀況。

規(guī)格和技術(shù)參數(shù)表

氮氧化物（NOX）檢測原理——化學(xué)發(fā)光法

氮氧化物的檢測原理是化學(xué)發(fā)光法，由于化學(xué)反應(yīng)產(chǎn)生的光能發(fā)射。氮氧化物吸收化學(xué)能后，被激發(fā)到激發(fā)態(tài)，由激發(fā)態(tài)返回基態(tài)時，會以光量子的形式釋放能量。通過對光量子的光強(qiáng)度測定可以對物質(zhì)進(jìn)行定量分析。

NO分子與O3發(fā)生化學(xué)發(fā)光反應(yīng)，分為兩個步驟，第一步，反應(yīng)產(chǎn)生激發(fā)態(tài)的NO2分子：

第二步，激發(fā)態(tài)的NO2返回基態(tài)釋放出光子，光譜范圍為(600~3200)nm，最強(qiáng)發(fā)光波長為1200nm：

NOX是NO和NO2總和，為測量NO2時，需要先將NO2轉(zhuǎn)化為NO，再利用NO和O3的化學(xué)發(fā)光反應(yīng)進(jìn)行測定。通常采用鉬催化劑在高溫條件將NO2轉(zhuǎn)化為NO，反應(yīng)轉(zhuǎn)化率＞99%：

通過氣路控制，樣氣經(jīng)兩路測量，一路測樣氣中的NO，一路測以NO的NO2和NO的總和，即NOX，則

標(biāo)簽:在線監(jiān)測大氣環(huán)境環(huán)境監(jiān)測上一篇: ZWIN-AQMS-500 SO2(二氧化硫)分析儀下一篇: ZWIN-ESP06儲能消防監(jiān)測系統(tǒng)

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