The choose and buy small freezing dryer need to consider what factors

by:CBFI     2020-09-28
Small freeze dryer for commonly used in laboratory, research site and is named as laboratory lyophilizer. Small freeze drier in many colleges and universities laboratory research institute and enterprises use good, won the user's consistent approval. But people in small freeze-drying machine of choose and buy, often concerned about the price, and decided to small freeze dryer what is the price? So the choose and buy small freezing dryer need to consider what factors? Below small make up to conclude:
the choose and buy small freeze drier factors to consider are: ultimate vacuum, temperature and ice coagulation cold trap. The small cold trap temperature of the freeze dryer mainly - 50℃、- 60℃、- 80 ℃ (three class Shanghai billiton - and in situ type of dispute 45 ℃ optional) 。 The lower the temperature of cold trap, cold trap the stronger ability to capture, but the low temperature of cold trap, high requirement to the refrigeration, the machine cost is relatively high.



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