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在(zai)線(xian)質(zhi)(zhi)(zhi)控裝置是一款以質(zhi)(zhi)(zhi)量控制為原則，檢驗其他分析儀(yi)表測(ce)試(shi)性能的設備。與水(shui)(shui)(shui)質(zhi)(zhi)(zhi)在(zai)線(xian)分析儀(yi)聯用(yong)，可實現(xian)任意(yi)濃度(du)標液(ye)配制和(he)供(gong)樣、零點核(he)查供(gong)樣、人工(gong)標液(ye)核(he)查供(gong)樣以及(ji)(ji)原水(shui)(shui)(shui)測(ce)試(shi)供(gong)樣等(deng)功能。可應用(yong)在(zai)市(shi)政污水(shui)(shui)(shui)、工(gong)業(ye)廢水(shui)(shui)(shui)、地表水(shui)(shui)(shui)等(deng)領域水(shui)(shui)(shui)質(zhi)(zhi)(zhi)監測(ce)站中，為COD、氨氮、總(zong)磷、總(zong)氮等(deng)水(shui)(shui)(shui)質(zhi)(zhi)(zhi)在(zai)線(xian)分析儀(yi)提供(gong)水(shui)(shui)(shui)樣及(ji)(ji)核(he)查標液(ye)。