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(xing)酸(suan)價(jia)快速(su)測(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)儀(yi)(yi)(yi)(yi)（半自動）之后，又(you)成功(gong)地(di)(di)研制了(le)(le)(le)全(quan)(quan)自動酸(suan)測(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)儀(yi)(yi)(yi)(yi)。該儀(yi)(yi)(yi)(yi)器(qi)(qi)(qi)克服了(le)(le)(le)用(yong)(yong)肉眼判斷滴(di)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)終點(dian)的(de)缺陷，從電路到電化分析操作(zuo)都做了(le)(le)(le)全(quan)(quan)面更(geng)(geng)(geng)新設計。數顯(xian)器(qi)(qi)(qi)采用(yong)(yong)高亮度(du)(du)的(de)計數器(qi)(qi)(qi)，既方(fang)便(bian)了(le)(le)(le)觀(guan)(guan)(guan)察，又(you)提(ti)高了(le)(le)(le)計數精(jing)度(du)(du)。電子指(zhi)示(shi)劑(ji)”進行終點(dian)判定(ding)(ding)(ding)(ding)(ding)(ding)(ding)，使(shi)儀(yi)(yi)(yi)(yi)器(qi)(qi)(qi)能(neng)(neng)檢測(ce)(ce)到滴(di)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)全(quan)(quan)過程，并能(neng)(neng)準(zhun)(zhun)確(que)地(di)(di)觀(guan)(guan)(guan)察到滴(di)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)的(de)突躍(yue)點(dian)，測(ce)(ce)繪(hui)出完(wan)整(zheng)的(de)滴(di)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)曲線(xian)。我們還成功(gong)地(di)(di)將(jiang)感(gan)測(ce)(ce)電極(ji)和(he)參比電極(ji)微(wei)型(xing)化，并精(jing)心地(di)(di)與電解極(ji)板復(fu)合在一支(zhi)電極(ji)桿(gan)上(shang)，使(shi)測(ce)(ce)試更(geng)(geng)(geng)為(wei)方(fang)便(bian)簡單。我們經過反(fan)復(fu)實驗(yan)，將(jiang)電解液(ye)(ye)配(pei)方(fang)進行了(le)(le)(le)改進使(shi)其(qi)性能(neng)(neng)更(geng)(geng)(geng)為(wei)優(you)異，即(ji)使(shi)在冬(dong)季低溫條件下也能(neng)(neng)油(you)(you)脂迅速(su)溶(rong)(rong)解，保證(zheng)了(le)(le)(le)測(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)的(de)精(jing)度(du)(du)。，因本(ben)儀(yi)(yi)(yi)(yi)器(qi)(qi)(qi)不(bu)使(shi)用(yong)(yong)化學指(zhi)示(shi)劑(ji)判定(ding)(ding)(ding)(ding)(ding)(ding)(ding)終點(dian)，在深(shen)色油(you)(you)脂的(de)測(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)中更(geng)(geng)(geng)能(neng)(neng)顯(xian)示(shi)出其(qi)優(you)越性。它(ta)能(neng)(neng)準(zhun)(zhun)確(que)地(di)(di)提(ti)供客觀(guan)(guan)(guan)判定(ding)(ding)(ding)(ding)(ding)(ding)(ding)終點(dian)的(de)手段，而且(qie)不(bu)需(xu)(xu)配(pei)制和(he)標(biao)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)標(biao)準(zhun)(zhun)堿溶(rong)(rong)液(ye)(ye)，不(bu)用(yong)(yong)國標(biao)法(fa)所判定(ding)(ding)(ding)(ding)(ding)(ding)(ding)終點(dian)，在深(shen)色油(you)(you)脂的(de)測(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)中更(geng)(geng)(geng)能(neng)(neng)顯(xian)示(shi)出其(qi)優(you)越性。它(ta)能(neng)(neng)準(zhun)(zhun)確(que)地(di)(di)提(ti)供客觀(guan)(guan)(guan)判定(ding)(ding)(ding)(ding)(ding)(ding)(ding)終點(dian)的(de)手段，而且(qie)不(bu)需(xu)(xu)配(pei)制和(he)標(biao)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)標(biao)準(zhun)(zhun)堿溶(rong)(rong)液(ye)(ye)，不(bu)用(yong)(yong)國標(biao)法(fa)所判定(ding)(ding)(ding)(ding)(ding)(ding)(ding)終點(dian)，在深(shen)色油(you)(you)脂的(de)測(ce)(ce)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)中更(geng)(geng)(geng)能(neng)(neng)顯(xian)示(shi)出其(qi)優(you)越性。它(ta)能(neng)(neng)準(zhun)(zhun)確(que)地(di)(di)提(ti)供客觀(guan)(guan)(guan)判定(ding)(ding)(ding)(ding)(ding)(ding)(ding)終點(dian)的(de)手段，而且(qie)不(bu)需(xu)(xu)配(pei)制和(he)標(biao)定(ding)(ding)(ding)(ding)(ding)(ding)(ding)標(biao)準(zhun)(zhun)堿溶(rong)(rong)液(ye)(ye)，不(bu)用(yong)(yong)國標(biao)法(fa)所使(shi)用(yong)(yong)大量的(de)乙醚(mi)做溶(rong)(rong)劑(ji)，因此本(ben)儀(yi)(yi)(yi)(yi)器(qi)(qi)(qi)具有重現性好，無毒害，費用(yong)(yong)省(sheng)、操作(zuo)簡便(bian)、易于(yu)掌握和(he)可用(yong)(yong)于(yu)流(liu)動檢測(ce)(ce)等優(you)點(dian)，在幾分鐘內直接顯(xian)示(shi)測(ce)(ce)定(ding)(ding)(ding)(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(jian)堿(jian)立即與(yu)底液(ye)中油樣所(suo)含(han)的(de)游(you)離脂肪酸(suan)反應：M-＋RCOOH＝RCOO-+H2O一旦中和(he)完畢，感(gan)測元件的(de)電(dian)勢信號會(hui)使儀器自(zi)動停(ting)止(zhi)滴(di)定操作，中和(he)游(you)離脂肪酸(suan)所(suo)耗堿(jian)量(liang)相當的(de)電(dian)量(liang)以酸(suan)價形式(shi)直接在數顯(xian)屏上(shang)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