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電熱恒溫干燥箱的保養方法

更新時(shí)間:2011-11-14      點(diǎn)擊次數:829

電熱恒溫干燥箱的保養

電熱恒溫干燥箱供工礦企業(yè)、化驗室、科研單位等干燥、烘焙熔蠟、滅菌之用。為了廣大用戶(hù)使用安全和方便,特總結儀器設備以下幾點(diǎn)常用日常保養技術(shù),供大家參考使用。

電熱恒溫干燥箱保養:

1、易爆易燃易揮發(fā)物品切勿放入干燥箱內,以免引起爆炸。
2、打開(kāi)加熱開(kāi)關(guān),不加熱。原因一般有四:①鎳鉻絲斷路,②開(kāi)關(guān)與線(xiàn)路脫焊,③控溫旋鈕指在零位(旋動(dòng)控溫旋鈕至溫度刻度),④繼電器損壞。
3、使用前一定要檢查鎳絡(luò )絲有無(wú)重疊、短路之處。
4、樣品室與加熱室之間的擱板上不能放置物品,以免影響熱量交換。
5、樣品擱板平均負荷不應超過(guò)20kg。
6、加熱指示燈不亮,原因一般有三:①燈泡壞了,②燈泡接觸不良,③加熱系統出故障。


 

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