油脂煙點儀使用方法
油脂煙點儀依據國家標準GB/T20795-2006而研製,專業用於測定植物油脂煙點。其使用方法如下:
一、特點:隻要將假設的油脂煙點值直接進行設置,當儀器升溫達到設定值前42℃,儀器自動進入控製。然後按每分鍾5-6℃的速率升溫。提供發煙觀察和記錄。
二、操作:打開儀器右側下電源開關顯數點亮,按設置鍵,上部溫度顯數出現“50”字樣,下部小顯數出現跳動。按移動鍵。小顯數會逐個依次變換跳動。按“+”“-”按鍵可以設定每geyicitiaodongdexianshu,shezhiwanbi。zaianshezhijian,xiaoxianshutingzhitiaodong,chuxianshezhihaodeshuzhi,shezhibeiqueren。daxianshuchuangxianshiwenduzhi。suizhewendushangsheng,daxianshugenzhebianhua,yiqijinxingzidonggenzonghekongzhi。dangjiejin所設定值前42℃時,儀器自動轉入每分鍾5-6℃的升溫控製速率。
zaizhegeshengwenquyufanweineininzhiyaozaixiguanchayouyanshengyanqingkuang,dangyangpinchuxianshaoliangyan,tongshijixuyouqianlansedeyanmaochushi,jiezhushedengdengguangkanfayanshidewendudushu,xunsuansuodingjian,cishiwenduxianshubeisuoding。ji為(wei)該(gai)樣(yang)品(pin)的(de)煙(yan)點(dian)溫(wen)度(du)。有(you)時(shi)候(hou)在(zai)樣(yang)品(pin)開(kai)始(shi)連(lian)續(xu)冒(mao)煙(yan)前(qian),會(hui)噴(pen)出(chu)一(yi)點(dian)微(wei)弱(ruo)的(de)煙(yan)霧(wu),但(dan)這(zhe)對(dui)測(ce)定(ding)結(jie)果(guo)並(bing)沒(mei)有(you)影(ying)響(xiang)。當(dang)誤(wu)觀(guan)察(cha)時(shi),可(ke)再(zai)按(an)鎖(suo)定(ding)鍵(jian)介(jie)鎖(suo),儀(yi)器(qi)繼(ji)續(xu)升(sheng)溫(wen),直(zhi)到(dao)明(ming)確(que)發(fa)煙(yan)判(pan)斷(duan)點(dian)時(shi),再(zai)按(an)鎖suo定ding鍵jian,顯xian數shu會hui重zhong新xin被bei鎖suo定ding。如ru果guo顯xian數shu過guo了le設she定ding值zhi,樣yang品pin沒mei有you冒mao煙yan,說shuo明ming假jia設she值zhi有you誤wu,這zhe時shi無wu需xu更geng改gai,繼ji續xu進jin行xing觀guan察cha,直zhi至zhi生sheng煙yan再zai進jin行xing鎖suo定ding。雙shuang試shi樣yang允yun許xu誤wu差cha不bu超chao過guo2℃,求其平均數即為試驗結果。



