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電熱恒溫干燥箱操作方法

時間:2011/11/23閱讀:966
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電熱恒溫干燥箱操作方法:
1.樣品放置:把需干燥處理的物品放入電熱恒溫干燥箱內(nèi),,上下四周應(yīng)留存一定空間,,保持工作室內(nèi)氣流暢通,,關(guān)閉箱門。
2.風(fēng)門調(diào)節(jié):根據(jù)干燥物品的潮濕情況,,把電熱恒溫干燥的風(fēng)門調(diào)節(jié)旋鈕旋到合適位置,一般旋至“z"處,;若比較潮濕.將調(diào)節(jié)旋鈕調(diào)節(jié)至”三”處(注意:風(fēng)門的調(diào)節(jié)范圍約60"角),。
3.開機:打開電源及風(fēng)機開關(guān),。此時電源指示燈亮,,電機運轉(zhuǎn).控溫儀顯示經(jīng)過 "自檢” 過程后,PV屏應(yīng)顯示工作室內(nèi)測量溫度.SV屏應(yīng)顯示使用中需干燥的設(shè)定溫度,,此時電熱恒溫干燥箱即進(jìn)入工作狀態(tài),。
4.設(shè)定所需溫度:按一下SET鍵.此時Pv屏顯示“5P",,用↑或↓改變原“SV""屏顯示的溫度值,,直至達(dá)到需要值為止,。設(shè)置完畢后,,按一下SET鍵,,PV顯示“5T" (進(jìn)入定時功能),。若不使用定時功能則再按一下SET鍵,,使PV屏顯示測量溫度,,SV屏顯示設(shè)定溫度即可。(注意:不使用定時功能時,,必須使Pv屏顯示的“ST”為零,,即ST=O)
5.定時的設(shè)定:若使用定時,,則當(dāng)PV屏顯示“5T"時,,SV屏顯示“0",;用加鍵設(shè)定所需別間(分),;設(shè)置完畢,,按一下SET鍵,,使干燥箱進(jìn)入工作狀態(tài)即可,。(注章:定時的計時功能是從設(shè)定完畢,,進(jìn)入工作狀態(tài)開始計算,,故設(shè)定的時間一定要考慮把干燥箱加熱,,恒溫,、干燥三階段所需時間合并計算。)
6.控溫檢查:*次開機或使用一段時間或當(dāng)季節(jié)(環(huán)境濕度)變化時.必須復(fù)核下工作室內(nèi)測量慍度和實際溫度之間的誤差,,即控溫精度,。
7.關(guān)機:干燥結(jié)束后.如需更換干燥物品,則在開箱門更換前先將風(fēng)機開關(guān)關(guān)掉,,以防干燥物被吹掉,;更換完干燥物品后(注意:取出干燥物時,千萬注童小心燙傷),,關(guān)好箱門,,再打開風(fēng)機開關(guān),使干燥箱再次進(jìn)入干燥過程,;如不立刻取出物品,,應(yīng)先將風(fēng)門調(diào)節(jié)旋鈕旋轉(zhuǎn)至“Z"處.再把電源開關(guān)關(guān)掉,以保持箱內(nèi)干燥,;如不再繼續(xù)干燥物品,,則將風(fēng)門處于“三”處,把電源開關(guān)關(guān)掉,,待箱內(nèi)冷卻至室溫后,取出箱內(nèi)干燥物品.將工作室擦干,。

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