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電(dian)熱(re)鼓風(feng)干燥(zao)箱(xiang)常見故(gu)障及排除方法(fa)現象原(yuan)因處理方法(fa)1、無電(dian)源1、插頭未插好或(huo)斷(duan)線1、更(geng)(geng)(geng)換插頭或(huo)接(jie)好線2、保險(xian)絲斷(duan)2、更(geng)(geng)(geng)換保險(xian)絲2、箱(xiang)內(nei)溫(wen)(wen)(wen)度(du)不升(sheng)1、設(she)定溫(wen)(wen)(wen)度(du)低(di)1、調整設(she)定溫(wen)(wen)(wen)度(du)2、加(jia)熱(re)元件壞(huai)(huai)2、更(geng)(geng)(geng)換電(dian)加(jia)熱(re)元件3、控溫(wen)(wen)(wen)儀壞(huai)(huai)3、更(geng)(geng)(geng)換控溫(wen)(wen)(wen)儀4、循環風(feng)機壞(huai)(huai)4、更(geng)(geng)(geng)換風(feng)機3、設(she)定溫(wen)(wen)(wen)度(du)與實測(ce)溫(wen)(wen)(wen)度(du)相差大(da)1、溫(wen)(wen)(wen)度(du)傳感器壞(huai)(huai)1、更(geng)(geng)(geng)換傳感器2、儀表未修正好2、參(can)(can)照儀表說明(ming)書調節內(nei)部(bu)參(can)(can)數（溫(wen)(wen)(wen)度(du)修正）4、溫(wen)(wen)(wen)度(du)達不到設(she)定的溫(wen)(wen)(wen)度(du)1、排氣孔(kong)全開1、關閉排氣孔(kong)2、工作(zuo)室內(nei)物品(pin)裝入太多2、減少物品(pin)改善空氣對(dui)流狀(zhuang)態5、風(feng)...

電(dian)(dian)(dian)(dian)熱套是(shi)實驗室(shi)通(tong)用(yong)(yong)加熱儀(yi)器(qi)的(de)一種，由無堿(jian)玻璃纖維(wei)和(he)(he)金屬(shu)(shu)加熱絲編制(zhi)的(de)半球形加熱內(nei)(nei)套和(he)(he)控制(zhi)電(dian)(dian)(dian)(dian)路組成(cheng)1.儀(yi)器(qi)應有良好的(de)接地。2.*次使用(yong)(yong)時，板內(nei)(nei)有白煙(yan)和(he)(he)異味冒出(chu)，屬(shu)(shu)于正常現象，因內(nei)(nei)部絕緣(yuan)材(cai)料在生(sheng)產過程中含有油質及其(qi)他化合(he)物，應放在通(tong)風處，數分鐘(zhong)消失后(hou)即可(ke)正常使用(yong)(yong)。3.做高溫(wen)加熱結束(shu)時，請先關加熱，待幾(ji)分鐘(zhong)余溫(wen)散后(hou)再(zai)關攪拌。4.加熱部分溫(wen)度(du)較高，工作時需小心，以免燙傷。5.有濕(shi)手、液體溢(yi)出(chu)或長期(qi)置(zhi)于濕(shi)度(du)過大(da)時，可(ke)能會有感應電(dian)(dian)(dian)(dian)透過保溫(wen)層(ceng)傳至外殼，請務(wu)接地線，并(bing)注(zhu)意通(tong)風。如(ru)漏(lou)電(dian)(dian)(dian)(dian)嚴重，請不(bu)...

水浴鍋的(de)使用(yong)對于初(chu)次使用(yong)水浴鍋的(de)操作人員，請按照說明(ming)書(shu)的(de)提示步驟進行。（1）使用(yong)時(shi)(shi)先加(jia)(jia)(jia)適量的(de)潔凈自來水于鍋內，也可按需(xu)要(yao)的(de)溫(wen)(wen)(wen)(wen)度(du)加(jia)(jia)(jia)入熱(re)水，以縮短加(jia)(jia)(jia)熱(re)時(shi)(shi)間(jian)。（2）接通電源，選擇溫(wen)(wen)(wen)(wen)度(du)。配備(bei)電子式恒(heng)溫(wen)(wen)(wen)(wen)器時(shi)(shi)，將“溫(wen)(wen)(wen)(wen)度(du)旋鈕”順時(shi)(shi)針調(diao)節到所(suo)需(xu)要(yao)的(de)溫(wen)(wen)(wen)(wen)度(du)，此時(shi)(shi)為(wei)加(jia)(jia)(jia)熱(re)狀態，綠(lv)色(se)指(zhi)示燈亮(liang)。當加(jia)(jia)(jia)熱(re)到所(suo)需(xu)溫(wen)(wen)(wen)(wen)度(du)時(shi)(shi)，紅(hong)色(se)指(zhi)示燈亮(liang)，此時(shi)(shi)為(wei)恒(heng)溫(wen)(wen)(wen)(wen)狀態。配備(bei)數(shu)(shu)顯(xian)表頭(tou)時(shi)(shi)，計數(shu)(shu)器zui大位(wei)為(wei)十(shi)位(wei)數(shu)(shu)，按操作符號為(wei)增數(shu)(shu)，按操作符號為(wei)減數(shu)(shu)。紅(hong)綠(lv)燈隨體內溫(wen)(wen)(wen)(wen)度(du)的(de)變化(hua)而(er)轉換。同樣，綠(lv)燈是指(zhi)示加(jia)(jia)(jia)熱(re)器工(gong)作，紅(hong)燈為(wei)恒(heng)溫(wen)(wen)(wen)(wen)。使用(yong)該儀器須(xu)經...

AE01/AEO3技術原理實驗室(shi)來(lai)(lai)測定油(you)類時(shi)(shi)，需要對水樣進行萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)。AE01/AE03自(zi)動萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)器(qi)結構(gou)：用(yong)U型管將萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)瓶(ping)(ping)(ping)A和B連接(jie)起來(lai)(lai)，由于萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)溶(rong)劑(ji)的比重比水大(da)，在(zai)重力的作用(yong)下會(hui)相(xiang)對固(gu)定在(zai)U型管的位(wei)置，當真空泵從(cong)(cong)(cong)萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)瓶(ping)(ping)(ping)A的一端(duan)(duan)抽(chou)氣時(shi)(shi)，水樣就會(hui)從(cong)(cong)(cong)萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)瓶(ping)(ping)(ping)B快速(su)穿過萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)溶(rong)劑(ji)，進入到萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)瓶(ping)(ping)(ping)A中(zhong)，反之，當真空泵從(cong)(cong)(cong)萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)瓶(ping)(ping)(ping)B的一端(duan)(duan)抽(chou)氣時(shi)(shi)，水樣就會(hui)從(cong)(cong)(cong)萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)瓶(ping)(ping)(ping)A快速(su)穿過萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)溶(rong)劑(ji)進入到萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)瓶(ping)(ping)(ping)B中(zhong)，用(yong)時(shi)(shi)間(jian)繼電(dian)器(qi)控制總(zong)萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)時(shi)(shi)間(jian)和切換(huan)抽(chou)氣的時(shi)(shi)間(jian)，就可(ke)以將油(you)類物質從(cong)(cong)(cong)水中(zhong)萃(cui)(cui)(cui)取(qu)(qu)(qu)(qu)出來(lai)(lai)。