產品型號：YUS-A2

一：產品介紹

酸價是表示有機物中所含游離酸數量多少的一種形式。油脂酸價是指中和一克油脂中游離脂肪酸所需氫氧化鉀的毫克數。它既是油脂的一項質量指標，也是食用油脂的一項食品衛生指標。新鮮的或精制油脂的酸價都較低，因儲存或加工不當，都會使酸價增高。因此，只有加強油脂酸價的測定，才能了解產品的質量。

開發 YUS — 3 加強型酸價快(kuai)速(su)測(ce)(ce)定(ding)(ding)(ding)(ding)儀(yi)（半(ban)自(zi)動）之后，又(you)成功地研制(zhi)了全自(zi)動酸測(ce)(ce)定(ding)(ding)(ding)(ding)儀(yi)。該儀(yi)器(qi)(qi)克服了用(yong)(yong)(yong)肉眼判(pan)(pan)(pan)斷滴定(ding)(ding)(ding)(ding)終(zhong)(zhong)(zhong)點(dian)(dian)(dian)(dian)的(de)(de)缺陷，從電(dian)(dian)(dian)(dian)(dian)路到(dao)(dao)電(dian)(dian)(dian)(dian)(dian)化分析操(cao)(cao)作都做了全面更(geng)(geng)新設計。數(shu)顯(xian)器(qi)(qi)采(cai)用(yong)(yong)(yong)高(gao)亮度的(de)(de)計數(shu)器(qi)(qi)，既方(fang)(fang)便了觀(guan)(guan)察(cha)，又(you)提高(gao)了計數(shu)精度。電(dian)(dian)(dian)(dian)(dian)子指示(shi)(shi)劑”進行(xing)終(zhong)(zhong)(zhong)點(dian)(dian)(dian)(dian)判(pan)(pan)(pan)定(ding)(ding)(ding)(ding)，使(shi)(shi)儀(yi)器(qi)(qi)能(neng)(neng)(neng)檢(jian)測(ce)(ce)到(dao)(dao)滴定(ding)(ding)(ding)(ding)全過程，并(bing)能(neng)(neng)(neng)準(zhun)確(que)地觀(guan)(guan)察(cha)到(dao)(dao)滴定(ding)(ding)(ding)(ding)的(de)(de)突躍點(dian)(dian)(dian)(dian)，測(ce)(ce)繪出完(wan)整的(de)(de)滴定(ding)(ding)(ding)(ding)曲線。我們(men)還成功地將感測(ce)(ce)電(dian)(dian)(dian)(dian)(dian)極和(he)(he)參(can)比電(dian)(dian)(dian)(dian)(dian)極微型化，并(bing)精心地與電(dian)(dian)(dian)(dian)(dian)解極板復合在(zai)(zai)(zai)一(yi)支電(dian)(dian)(dian)(dian)(dian)極桿(gan)上，使(shi)(shi)測(ce)(ce)試更(geng)(geng)為(wei)(wei)方(fang)(fang)便簡單。我們(men)經(jing)過反復實驗，將電(dian)(dian)(dian)(dian)(dian)解液(ye)(ye)配(pei)(pei)方(fang)(fang)進行(xing)了改進使(shi)(shi)其(qi)性(xing)能(neng)(neng)(neng)更(geng)(geng)為(wei)(wei)優異，即使(shi)(shi)在(zai)(zai)(zai)冬季(ji)低溫(wen)條件(jian)下(xia)也能(neng)(neng)(neng)油脂(zhi)迅速(su)溶(rong)解，保證了測(ce)(ce)定(ding)(ding)(ding)(ding)的(de)(de)精度。，因(yin)本儀(yi)器(qi)(qi)不(bu)(bu)使(shi)(shi)用(yong)(yong)(yong)化學(xue)指示(shi)(shi)劑判(pan)(pan)(pan)定(ding)(ding)(ding)(ding)終(zhong)(zhong)(zhong)點(dian)(dian)(dian)(dian)，在(zai)(zai)(zai)深(shen)色(se)油脂(zhi)的(de)(de)測(ce)(ce)定(ding)(ding)(ding)(ding)中更(geng)(geng)能(neng)(neng)(neng)顯(xian)示(shi)(shi)出其(qi)優越性(xing)。它(ta)能(neng)(neng)(neng)準(zhun)確(que)地提供(gong)客(ke)觀(guan)(guan)判(pan)(pan)(pan)定(ding)(ding)(ding)(ding)終(zhong)(zhong)(zhong)點(dian)(dian)(dian)(dian)的(de)(de)手(shou)段(duan)，而(er)且不(bu)(bu)需配(pei)(pei)制(zhi)和(he)(he)標(biao)(biao)定(ding)(ding)(ding)(ding)標(biao)(biao)準(zhun)堿(jian)溶(rong)液(ye)(ye)，不(bu)(bu)用(yong)(yong)(yong)國標(biao)(biao)法(fa)所(suo)判(pan)(pan)(pan)定(ding)(ding)(ding)(ding)終(zhong)(zhong)(zhong)點(dian)(dian)(dian)(dian)，在(zai)(zai)(zai)深(shen)色(se)油脂(zhi)的(de)(de)測(ce)(ce)定(ding)(ding)(ding)(ding)中更(geng)(geng)能(neng)(neng)(neng)顯(xian)示(shi)(shi)出其(qi)優越性(xing)。它(ta)能(neng)(neng)(neng)準(zhun)確(que)地提供(gong)客(ke)觀(guan)(guan)判(pan)(pan)(pan)定(ding)(ding)(ding)(ding)終(zhong)(zhong)(zhong)點(dian)(dian)(dian)(dian)的(de)(de)手(shou)段(duan)，而(er)且不(bu)(bu)需配(pei)(pei)制(zhi)和(he)(he)標(biao)(biao)定(ding)(ding)(ding)(ding)標(biao)(biao)準(zhun)堿(jian)溶(rong)液(ye)(ye)，不(bu)(bu)用(yong)(yong)(yong)國標(biao)(biao)法(fa)所(suo)判(pan)(pan)(pan)定(ding)(ding)(ding)(ding)終(zhong)(zhong)(zhong)點(dian)(dian)(dian)(dian)，在(zai)(zai)(zai)深(shen)色(se)油脂(zhi)的(de)(de)測(ce)(ce)定(ding)(ding)(ding)(ding)中更(geng)(geng)能(neng)(neng)(neng)顯(xian)示(shi)(shi)出其(qi)優越性(xing)。它(ta)能(neng)(neng)(neng)準(zhun)確(que)地提供(gong)客(ke)觀(guan)(guan)判(pan)(pan)(pan)定(ding)(ding)(ding)(ding)終(zhong)(zhong)(zhong)點(dian)(dian)(dian)(dian)的(de)(de)手(shou)段(duan)，而(er)且不(bu)(bu)需配(pei)(pei)制(zhi)和(he)(he)標(biao)(biao)定(ding)(ding)(ding)(ding)標(biao)(biao)準(zhun)堿(jian)溶(rong)液(ye)(ye)，不(bu)(bu)用(yong)(yong)(yong)國標(biao)(biao)法(fa)所(suo)使(shi)(shi)用(yong)(yong)(yong)大量(liang)的(de)(de)乙醚(mi)做溶(rong)劑，因(yin)此(ci)本儀(yi)器(qi)(qi)具有重(zhong)現(xian)性(xing)好，無毒害，費用(yong)(yong)(yong)省、操(cao)(cao)作簡便、易于(yu)掌握和(he)(he)可(ke)用(yong)(yong)(yong)于(yu)流動檢(jian)測(ce)(ce)等優點(dian)(dian)(dian)(dian)，在(zai)(zai)(zai)幾分鐘(zhong)內直(zhi)接顯(xian)示(shi)(shi)測(ce)(ce)定(ding)(ding)(ding)(ding)結果。

本儀器主要用于各種植物油脂、動物油脂的酸價測定，經專項調試后也可用于大米、小麥粉、牛奶、酒類、醬油等的酸度或總酸度的測定。本儀器可廣泛用于糧油、食品、發酵、輕工、衛生防疫檢驗等行業和科研、教學等部門。

二：工作原理

儀器可廣泛用于糧油、食品、發酵、輕工、衛生防疫檢驗等行業和科研、教學等部門。M＋＋CI－＋H2O＋e-＝MCl+1/2 H2＋OH-電(dian)生堿堿立即與底液中(zhong)油樣所含(han)的游離脂(zhi)肪酸(suan)(suan)反(fan)應(ying)：M-＋RCOOH＝RCOO-+H2O一(yi)旦中(zhong)和完畢，感測元件的電(dian)勢信號(hao)會使儀器自動停止滴定(ding)操作，中(zhong)和游離脂(zhi)肪酸(suan)(suan)所耗堿量相當的電(dian)量以酸(suan)(suan)價形式(shi)直接在數顯屏上讀出。

三、主要技術指標

測量范圍： 0.1 ～ 7.00 mg KOH ／g 。

測量誤差：≤ 0.05 mg K0H ／g 。

重復誤差：≤ 0.03 mg K0H ／g 。

電源電壓： AC 220V ，

電源頻率： 50 Hz 。

功耗：≤ 20W

重量：約 1.5 Kg

體積： 234 × 110 × 277