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技術文章您現在的位置:首頁 > 技術文章 > 冷凍離心機“預冷”狀態下要注意哪些?

冷凍離心機“預冷”狀態下要注意哪些?

更新時間:2023-02-16   點擊次數:984次
   冷凍離心機主要是針對在高速離心的時候,防止有些離心物質(如蛋白質等)會在高溫下產生質變,因為高速離心機在運轉的時候會產生大量的熱量,而離心物質在高溫下容易質變,因此需要冷凍的情況下才可以保證不被破壞。
  冷凍離心機采用交流變頻電機直接驅動,高精度,低噪音,使用壽命長。無氟制冷系統溫控,無環境污染。采用微機控制,大屏彩色顯示,程序可編可存,轉速、離心力、時間可同時顯示。有減震功能,多種升降速曲線,不同自由程序可變可存,可滿足不同實驗需求。設有超速、超溫,電子安全門鎖等多級保護功能,確保人機安全。冷凍離心機“預冷”狀態下要注意哪些?
  1.冷凍離心機在預令狀態時,冷凍離心機蓋必須關閉,離心結束后取出轉頭要倒置于實驗臺上,擦干腔內余水,冷凍離心機蓋置于打開狀態。
  2.轉頭在預冷時,轉頭蓋可擺放在冷凍離心機的平臺上,或擺放在實驗臺上,千萬不可不擰緊浮放在轉頭上,因為一旦誤啟動,轉頭蓋就會飛出,造成事故。
  3.轉頭蓋在擰緊后一定要用手指觸摸轉頭與轉蓋之間有無縫隙,如有縫隙要擰開重新擰緊,直至確認無縫隙方可啟動冷凍離心機
  4.離心時操作人員不得離開冷凍離心機室,一旦發生異常情況操作人員不能關電源(POWER),先要按STOP。在預冷前要填寫好冷凍離心機使用記錄。
  5.不得使用偽劣的離心管,不得使用老化、變形、有裂紋的離心管。
  6.節假日和下班后一個使用冷凍離心機例行安全檢查后方能離去。
 
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