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class="nwdtl_tip"><span>更新時(shí)間：2022-09-26</span><span>瀏覽：473次</span></div> <div id="iu7u9n1ckzs0" class="nwdtl_con"> <div>　　<a href="http:///SonList-1895080.html" target="_blank">紫外差分煙氣分析儀</a>測(cè)量數(shù)據(jù)不受煙氣中水蒸氣影響，具有測(cè)量精度、交叉干擾少、響應(yīng)時(shí)間快、可靠穩(wěn)定、使用壽命長(zhǎng)等特點(diǎn)，特別適合超低排放、高濕低硫工況測(cè)量。采用高性能長(zhǎng)壽命脈沖氙燈、耐腐蝕吸收池、進(jìn)口高分辨光譜儀、傳感器及新材料領(lǐng)域的高新技術(shù)，竭力為用戶提供一臺(tái)質(zhì)量可靠、性能穩(wěn)定的高品質(zhì)儀器。</div><div> </div><div>　　紫外差分煙氣分析儀中的紫外差分光譜吸收法是怎樣的一個(gè)過程？紫外光照射到由SO2、NO2等異原子組成的氣體分子時(shí)，其固有的振動(dòng)和旋轉(zhuǎn)的能級(jí)產(chǎn)生躍遷，同時(shí)吸收特定波長(zhǎng)的紫外光。差分吸收光譜法將氣體的吸收光譜分解為快變和慢變兩個(gè)部分，快變部分與氣體分子的結(jié)構(gòu)和所組成的元素有關(guān)，是氣體分子吸收光譜的特征部分，利用快變部分進(jìn)行計(jì)算分析確定被測(cè)氣體的濃度。</div><div> </div><div>　　下面咱們來(lái)了解一下在使用紫外差分煙氣分析儀前應(yīng)做的準(zhǔn)備工作：</div><div> </div><div>　　1、濾筒前處理和稱重</div><div> </div><div>　　用鉛筆將濾筒編號(hào)，在烘箱內(nèi)烘烤1小時(shí)，取出放入干燥器中冷卻至室溫。用感量天平稱量，放入專用容器中保存。</div><div> </div><div>　　2、干燥劑的裝填</div><div> </div><div>　　將干燥筒密封蓋旋開，加入約3/4體積的具有充分干燥能力的變色硅膠（顆粒狀），然后將密封蓋旋緊即可。</div><div> </div><div>　　3、檢查儀器功能</div><div> </div><div>　　選擇干燥、避陽(yáng)處，將儀器放置平穩(wěn)。確認(rèn)電源為交流220V后，接通電源線，打開電源開關(guān)，面板開關(guān)指示燈亮，檢查顯示器、鍵盤、采樣泵等是否正常。</div><div> </div><div>　　4、記下濾筒編號(hào)，將濾筒裝入取樣管，旋緊壓蓋。</div><div> </div><div>　　確定實(shí)驗(yàn)中含有的儀器：烘干箱，天枰，恒溫恒濕箱，鑷子，密封袋等，本公司可提供相應(yīng)的儀器配套使用。</div> </div> </div> <div id="iu7u9n1ckzs0" class="prev_next"> <ul> <li><p>上一篇：<a href="/Article-3149390.html">山東便攜式碳排放監(jiān)測(cè)儀產(chǎn)品介紹</a></p></li> <li><p>下一篇：<a href="/Article-3140302.html">β射線煙塵直讀標(biāo)準(zhǔn)發(fā)布 GR8031β射線煙塵直讀采樣管</a></p></li> </ul> </div> </div>    <div class="iu7u9n1ckzs0" id="z_Footer"> <div id="iu7u9n1ckzs0" class="pz_down"> <div id="iu7u9n1ckzs0" class="w_1200"> <div id="iu7u9n1ckzs0" class="footT"> <div id="iu7u9n1ckzs0" class="footAddr"> <div id="iu7u9n1ckzs0" class="footTit">青島國(guó)瑞力恒環(huán)保科技有限公司</div> <div id="iu7u9n1ckzs0" class="dAddr"><img class="ico" 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