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BOD測定儀的功效道理
道理：
丈(zhang)量(liang)道理含(han)有(you)飽和消(xiao)融氧(yang)的水樣(yang)進入測定(ding)(ding)槽與生(sheng)(sheng)(sheng)物(wu)(wu)傳感(gan)器打仗，當(dang)水樣(yang)中(zhong)(zhong)無(wu)(wu)可(ke)生(sheng)(sheng)(sheng)化(hua)降(jiang)解(jie)的無(wu)(wu)機物(wu)(wu)時，消(xiao)融氧(yang)向氧(yang)電(dian)(dian)極(ji)的分(fen)散(san)速(su)率(lv)（品德(de)）到(dao)達恒定(ding)(ding)時，便產(chan)生(sheng)(sheng)(sheng)了一(yi)(yi)個(ge)(ge)恒定(ding)(ding)電(dian)(dian)流(liu)。當(dang)水樣(yang)中(zhong)(zhong)有(you)可(ke)生(sheng)(sheng)(sheng)化(hua)降(jiang)解(jie)的無(wu)(wu)機物(wu)(wu)時，無(wu)(wu)機物(wu)(wu)便遭到(dao)生(sheng)(sheng)(sheng)物(wu)(wu)膜(mo)中(zhong)(zhong)微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)的異化(hua)感(gan)化(hua)，而(er)微(wei)生(sheng)(sheng)(sheng)物(wu)(wu)的細(xi)胞呼吸(xi)感(gan)化(hua)也(ye)加強，耗損掉一(yi)(yi)局部(bu)消(xiao)融氧(yang)，使分(fen)散(san)到(dao)氧(yang)電(dian)(dian)極(ji)外表上(shang)的消(xiao)融氧(yang)削減(jian)，當(dang)水樣(yang)中(zhong)(zhong)消(xiao)融氧(yang)向電(dian)(dian)極(ji)分(fen)散(san)速(su)率(lv)（品德(de)）再次到(dao)達恒定(ding)(ding)時，又產(chan)生(sheng)(sheng)(sheng)了一(yi)(yi)個(ge)(ge)恒定(ding)(ding)電(dian)(dian)流(liu)，因(yin)為該兩個(ge)(ge)恒定(ding)(ding)電(dian)(dian)流(liu)之間的差值與水樣(yang)中(zhong)(zhong)可(ke)生(sheng)(sheng)(sheng)化(hua)降(jiang)解(jie)的無(wu)(wu)機物(wu)(wu)濃度存在定(ding)(ding)量(liang)干系(xi)，是以(yi)該電(dian)(dian)流(liu)旌旗燈號經微(wei)機縮(suo)小、闡發處置(zhi)后，間接(jie)將BOD檢測成果顯現(xian)出來。
功效：
(1)利用無汞壓差感測法（呼吸法）丈量水中BOD，寧靜靠得住，不會產生水銀中毒；
(2)能夠同時丈量6個樣品；
(3)無需換算，間接顯現BOD濃度值；
(4)具有多種攪拌形式(間歇、持續、速率可調)，耽誤儀器利用壽命；
(5)丈量規模可選擇，在水樣濃度低于4000mg/L時，無需濃縮；
(6無(wu)人(ren)值守數據主(zhu)動打(da)印(yin)；
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