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<strong>甲醛檢測(cè)儀</strong>的檢測(cè)原理為用采樣器采集一定體積的空氣，空氣中的甲醛與酚試劑反應(yīng)，簡(jiǎn)稱(chēng)TH反應(yīng)，生成嗪，在加入的顯色劑高鐵離子存在下，嗪與酚試劑的氧化產(chǎn)物反應(yīng)生成藍(lán)綠色化合物，甲醛的含量與顯色深度成正比，可通過(guò)比色很好的識(shí)別。<div>產(chǎn)品特點(diǎn)：htV-m型甲醛檢測(cè)儀，采用*微電子及傳感器技術(shù)，具備濕度補(bǔ)償功能，即使在溫濕度較高的很端環(huán)境下htV-m型能夠準(zhǔn)確地測(cè)量甲醛濃度。讀數(shù)以ppm或mg/m3單位顯示。也可以實(shí)時(shí)測(cè)量溫度及濕度。PPM公司隨機(jī)提供用于校準(zhǔn)的甲醛校正源，用戶可以自行為檢測(cè)儀作現(xiàn)場(chǎng)校準(zhǔn)及周期性校準(zhǔn)，增加檢測(cè)儀的檢測(cè)精度。htV-m型是基本型(htV)上增加數(shù)據(jù)內(nèi)存記憶及實(shí)時(shí)時(shí)鐘功能，配合AC適配器使用，可以在線連續(xù)地記錄7天的檢測(cè)數(shù)據(jù)，使htV-m型成為一臺(tái)可連續(xù)監(jiān)測(cè)及具有數(shù)據(jù)記錄功能的甲醛檢測(cè)儀。</div><div>采樣方法：通過(guò)內(nèi)置泵，采集10ml空氣樣品。</div><div>采樣頻率：1-3分鐘（取決于之前采集濃度）。</div><div>響應(yīng)時(shí)間：低濃度大約8秒，高濃度大約60秒。</div><div>體積/重量：150x80x34mm/270g含電池。</div><div>注意事項(xiàng)：</div><div>1.每次檢測(cè)結(jié)束后應(yīng)及時(shí)氣泡吸收瓶中有色溶液，再用酸洗液、自來(lái)水、蒸餾水清洗干凈。</div><div>2.氣泡吸收瓶且勿接入進(jìn)氣孔，否則會(huì)產(chǎn)生倒吸，損壞儀器，損失吸收液。</div><div>3.所有玻璃器具在第一次使用前，需用化學(xué)試驗(yàn)室中的酸洗液、自來(lái)水、蒸餾水清洗干凈。</div> 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