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干燥箱安裝及使用說(shuō)明

更新時(shí)間:2015-04-28      點(diǎn)擊次數:1253
干燥箱的安裝:
真空干燥箱應放在具有良好通風(fēng)條件和無(wú)強烈震動(dòng)的室內,在其周?chē)豢煞胖靡兹家妆奈锲贰?br /> 
干燥箱的調試:
1、將箱門(mén)關(guān)上并將拉手旋緊,關(guān)閉放氣閥,開(kāi)啟真空閥。
2、將真空干燥箱側面的導氣管用真空橡膠管與真空泵連接,接通真空泵電源,開(kāi)始抽氣,當真空表指示值達到-0.1M Pa時(shí),關(guān)閉真空泵和真空泵電源,此時(shí)箱內處于真空狀態(tài),如無(wú)加熱要求,真空干燥箱調試結束。
3、如設定溫度為120℃,加熱指示燈亮,開(kāi)始進(jìn)入加熱升溫狀態(tài),當顯示溫度接近設定溫度時(shí),加熱指示燈忽亮忽熄,反復多次,溫度控制進(jìn)入恒溫狀態(tài),真空干燥箱工作.

干燥箱使用方法:
1、 需干燥處理的物品放入真空干燥箱內,將箱門(mén)關(guān)上,并關(guān)閉放氣閥,開(kāi)啟真空閥,接通真空泵電源開(kāi)始抽氣,使箱內真空度達到-0.1M Pa時(shí),關(guān)閉真空閥,再關(guān)閉真空泵電源。
2、 把真空干燥箱電源開(kāi)關(guān)撥至“開(kāi)”處,選擇所需的設定溫度,箱內溫度開(kāi)始上升,當箱內溫度接近設定溫度時(shí),加熱指示燈忽亮忽熄,反復多次,一般120min以?xún)瓤蛇M(jìn)入恒溫狀態(tài)。
3、 當所需工作溫度較低時(shí),可采用二次設定方法,如所需溫度60℃,*次可設定50℃,等溫度過(guò)沖開(kāi)始回落后,再第二次設定60℃。這樣可降低甚至杜絕溫度過(guò)沖現象,盡快進(jìn)入恒溫狀態(tài)。
4、 根據不同物品潮濕程度,選擇不同的干燥時(shí)間,如干燥時(shí)間較長(cháng),真空度下降,需再次抽氣恢復真空度,應先真空泵電源,再開(kāi)啟真空閥。
5、  燥結束后應先關(guān)閉干燥箱電源,開(kāi)啟放氣閥,解除箱內真空狀態(tài),再打開(kāi)箱門(mén)取出物品。(解除真空后,如密封圈與玻璃門(mén)吸緊變形不易立即打開(kāi)箱門(mén),經(jīng)過(guò)一段時(shí)間后,等密封圈恢復原形后,才能方便開(kāi)啟箱門(mén)。)

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