低溫恒溫槽的清(qing)潔與保養(yang)
低溫(wen)(wen)(wen)(wen)(wen)恒(heng)溫(wen)(wen)(wen)(wen)(wen)槽控(kong)(kong)溫(wen)(wen)(wen)(wen)(wen)精準(zhun)、降溫(wen)(wen)(wen)(wen)(wen)速(su)度(du)快、低噪(zao)聲長壽命(ming);特(te)有的(de)(de)(de)大(da)屏(ping)幕背光液(ye)(ye)晶顯示，各種參(can)數清晰(xi)明了，美觀(guan)實用(yong)。低溫(wen)(wen)(wen)(wen)(wen)恒(heng)溫(wen)(wen)(wen)(wen)(wen)槽通(tong)過將傳(chuan)感器(qi)與循(xun)環(huan)泵(beng)液(ye)(ye)流的(de)(de)(de)一體化(hua)設計(ji)，大(da)大(da)提高控(kong)(kong)溫(wen)(wen)(wen)(wen)(wen)精度(du)和溫(wen)(wen)(wen)(wen)(wen)場均(jun)(jun)勻(yun)度(du)，使槽內(nei)溫(wen)(wen)(wen)(wen)(wen)度(du)更為均(jun)(jun)勻(yun)，可(ke)單(dan)獨(du)做(zuo)低溫(wen)(wen)(wen)(wen)(wen)、恒(heng)溫(wen)(wen)(wen)(wen)(wen)循(xun)環(huan)泵(beng)使用(yong)及提供恒(heng)溫(wen)(wen)(wen)(wen)(wen)冷(leng)源(yuan)；低溫(wen)(wen)(wen)(wen)(wen)恒(heng)溫(wen)(wen)(wen)(wen)(wen)槽溫(wen)(wen)(wen)(wen)(wen)度(du)編程與5段程序控(kong)(kong)制功能，既(ji)適合單(dan)點(dian)恒(heng)溫(wen)(wen)(wen)(wen)(wen)控(kong)(kong)制，又適合連續變溫(wen)(wen)(wen)(wen)(wen)控(kong)(kong)制，可(ke)設定5個不(bu)同溫(wen)(wen)(wen)(wen)(wen)度(du)的(de)(de)(de)時(shi)(shi)間段，滿足不(bu)同溫(wen)(wen)(wen)(wen)(wen)度(du)試(shi)驗的(de)(de)(de)要求；低溫(wen)(wen)(wen)(wen)(wen)恒(heng)溫(wen)(wen)(wen)(wen)(wen)槽同時(shi)(shi)可(ke)配備(bei)內(nei)置二級攪拌，與反應容(rong)器(qi)內(nei)的(de)(de)(de)攪拌子(zi)一起(qi)，使試(shi)料的(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)度(du)保持(chi)均(jun)(jun)勻(yun)一致。
低溫(wen)(wen)(wen)恒(heng)溫(wen)(wen)(wen)槽(cao)采用BILON溫(wen)(wen)(wen)控系統，大屏幕液晶(jing)顯示(shi)， XMT模擬(ni)數字PID自動控制系統。低溫(wen)(wen)(wen)恒(heng)溫(wen)(wen)(wen)槽(cao)循(xun)(xun)環系統具(ju)有過(guo)濾功能，防(fang)止雜物進入循(xun)(xun)環系統，更好的保證了設(she)備的使用壽命。低溫(wen)(wen)(wen)恒(heng)溫(wen)(wen)(wen)槽(cao)全封(feng)閉壓縮機組制冷(leng)，制冷(leng)系統具(ju)有過(guo)熱、過(guo)電(dian)流多(duo)重保護(hu)裝置。
低(di)溫(wen)(wen)(wen)(wen)(wen)(wen)恒(heng)(heng)(heng)溫(wen)(wen)(wen)(wen)(wen)(wen)槽(cao)使用(yong)(yong)(yong)前應拿開上(shang)蓋，加入(ru)水(shui)或不凍液，加至離頂蓋上(shang)口(kou)(kou)3cm為(wei)止，把(ba)(ba)所(suo)有(you)的(de)冷卻循環(huan)泵，接入(ru)到實驗所(suo)用(yong)(yong)(yong)的(de)系(xi)統中(zhong)，用(yong)(yong)(yong)保溫(wen)(wen)(wen)(wen)(wen)(wen)軟管接該(gai)設備進出液口(kou)(kou)與實驗儀器的(de)進出液口(kou)(kou)對(dui)應連接好。低(di)溫(wen)(wen)(wen)(wen)(wen)(wen)恒(heng)(heng)(heng)溫(wen)(wen)(wen)(wen)(wen)(wen)槽(cao)此(ci)循環(huan)為(wei)密閉(bi)系(xi)統循環(huan)。低(di)溫(wen)(wen)(wen)(wen)(wen)(wen)恒(heng)(heng)(heng)溫(wen)(wen)(wen)(wen)(wen)(wen)槽(cao)如果只用(yong)(yong)(yong)冷卻循環(huan)泵作業時，把(ba)(ba)循環(huan)液出進、進口(kou)(kou)連接起(qi)(qi)來即可。當低(di)溫(wen)(wen)(wen)(wen)(wen)(wen)恒(heng)(heng)(heng)溫(wen)(wen)(wen)(wen)(wen)(wen)槽(cao)內液體(ti)為(wei)可燃易爆(bao)時,嚴(yan)禁開啟加熱。低(di)溫(wen)(wen)(wen)(wen)(wen)(wen)恒(heng)(heng)(heng)溫(wen)(wen)(wen)(wen)(wen)(wen)槽(cao)控(kong)制(zhi)(zhi)(zhi)(zhi)35度(du)以下時,如控(kong)溫(wen)(wen)(wen)(wen)(wen)(wen)要(yao)求(qiu)不高,只要(yao)打(da)開制(zhi)(zhi)(zhi)(zhi)冷開關,關閉(bi)加熱開關,把(ba)(ba)參(can)(can)數(shu)降溫(wen)(wen)(wen)(wen)(wen)(wen)制(zhi)(zhi)(zhi)(zhi)冷回差dn設定(ding)為(wei)-0.2度(du),靠(kao)壓(ya)縮機起(qi)(qi)停來控(kong)溫(wen)(wen)(wen)(wen)(wen)(wen)。低(di)溫(wen)(wen)(wen)(wen)(wen)(wen)恒(heng)(heng)(heng)溫(wen)(wen)(wen)(wen)(wen)(wen)槽(cao)如控(kong)溫(wen)(wen)(wen)(wen)(wen)(wen)要(yao)求(qiu)高,打(da)開制(zhi)(zhi)(zhi)(zhi)冷開關,加熱開關,把(ba)(ba)參(can)(can)數(shu)降溫(wen)(wen)(wen)(wen)(wen)(wen)制(zhi)(zhi)(zhi)(zhi)冷回差dn設定(ding)為(wei)10度(du), 壓(ya)縮機不停,靠(kao)加熱來控(kong)溫(wen)(wen)(wen)(wen)(wen)(wen)。
低(di)(di)溫(wen)(wen)(wen)恒溫(wen)(wen)(wen)槽工(gong)(gong)(gong)(gong)作(zuo)溫(wen)(wen)(wen)度(du)在5～85℃時(shi)(shi)，液(ye)(ye)體介(jie)質一般選用(yong)(yong)(yong)水；當(dang)工(gong)(gong)(gong)(gong)作(zuo)溫(wen)(wen)(wen)度(du)在85～95℃時(shi)(shi)，液(ye)(ye)體介(jie)質可選用(yong)(yong)(yong)15%甘油水溶液(ye)(ye)；低(di)(di)溫(wen)(wen)(wen)恒溫(wen)(wen)(wen)槽當(dang)工(gong)(gong)(gong)(gong)作(zuo)溫(wen)(wen)(wen)度(du)高于95℃時(shi)(shi)，液(ye)(ye)體介(jie)質一般選用(yong)(yong)(yong)油，并且所選擇的(de)(de)油品的(de)(de)開(kai)杯閃點值應高于工(gong)(gong)(gong)(gong)作(zuo)溫(wen)(wen)(wen)度(du)50℃以(yi)上(shang)；使(shi)用(yong)(yong)(yong)低(di)(di)溫(wen)(wen)(wen)恒溫(wen)(wen)(wen)槽前槽內(nei)加入(ru)液(ye)(ye)體介(jie)質，介(jie)質液(ye)(ye)面應低(di)(di)于工(gong)(gong)(gong)(gong)作(zuo)臺板(ban)30mm左右，否則通電(dian)工(gong)(gong)(gong)(gong)作(zuo)時(shi)(shi)會損(sun)壞加熱(re)器；當(dang)低(di)(di)溫(wen)(wen)(wen)恒溫(wen)(wen)(wen)槽工(gong)(gong)(gong)(gong)作(zuo)溫(wen)(wen)(wen)度(du)較高時(shi)(shi)，應注意(yi)不要開(kai)啟上(shang)蓋(gai)，手勿進入(ru)槽內(nei)，以(yi)防**；使(shi)用(yong)(yong)(yong)完畢(bi)，所有(you)開(kai)關置(zhi)于關閉狀態，切斷電(dian)源；低(di)(di)溫(wen)(wen)(wen)恒溫(wen)(wen)(wen)槽應做好經常性清潔工(gong)(gong)(gong)(gong)作(zuo)，保持工(gong)(gong)(gong)(gong)作(zuo)臺面和操作(zuo)面板(ban)的(de)(de)整潔。