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使用方法:
1.高低調節:手動升降,轉動機柱上麵手輪,順轉為上升,逆轉為下降. 電動升降,手觸上升鍵主機上升,手觸下降鍵主機下降.
2.冷凝器上有兩個外接頭是接冷卻水用的,一頭接進水,另一頭接出水,一般接自來水,冷凝水溫度越低效果越好.上端口裝抽真空接頭,接真空泵皮管抽真空用的.
3.開機前先將調速旋鈕左旋到最小,按下電源開關指示燈亮,然後慢慢往右旋至所需要的轉速,一般大蒸發瓶用中,低速,粘度大的溶液用較低轉速.燒瓶是標準接口24號,隨機附500ml,1000ml兩種燒瓶,溶液量一般不超過50%為適宜.
注意事項:
1.玻璃零件接裝應輕拿輕放,裝前應洗幹淨,擦幹或烘幹.
2.各磨口,密封麵密封圈及接頭安裝前都需要塗一層真空脂.
3.加熱槽通電前必須加水,不允許無水幹燒.
4.RE-52B必須使(19)擰入保險孔內保險,以免損壞燒瓶.
5.如真空抽不上來需檢查 1)各接頭,接口是否密封
(2)密封圈,密封麵是否有效
(3)主軸與密封圈之間真空脂是否塗好
(4)真空泵及其皮管是否漏氣
(5)玻璃件是否有裂縫,碎裂,損壞的現象