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低溫恒溫槽技術故障案例分析

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低溫恒溫槽技術故障案例分析
低溫恒溫槽現象1:無電源 
檢查供電電源是否正常,背面熔絲是否損壞。 
低溫恒溫槽現象2:加熱燈不亮,數顯表無顯示或指針表指零 
槽內液位太低,液位開關(保護用)不起作用??衫^續往槽內加液,可加至與不銹鋼樣品架板持平。 
低溫恒溫槽現象3:溫度不下降 
1)制冷循環槽的電源及循環工作開關未全部開啟。進出液閥未開啟。 
2)在未開啟循環工作開關或進出液至少有一個未開啟的情況下,開啟了電源開關并已運轉一段時間,導致循環槽內,水介質凍結 
3)循環槽內循環介質太少 
4)循環槽內循環泵損壞或管路因折彎或堵塞。 
低溫恒溫槽現象4:溫度一直下降 
恒溫水槽攪拌、加熱未工作(如液位太低),而制冷機(或制冷循環槽)已開啟工作。 

 

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