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Which one is able to perform its task efficiently and can hit a RH range of 35% to 50% in a 50L box?

Mini-Dehumidifier Portable

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Mini-Dehumidifier (AC-Powered)

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Dehumidifier Rod

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Why a fifty-liter box? Maybe rephrase the question in terms of your actual application and problem. – Vebjorn Ljosa♦ May 10 '12 at 11:22
@VebjornLjosa Thanks for the question. The reason is that I tried putting a Mini-Dehumidifier Portable into a 5 liter box and what I get from a hygrometer is a RH value of 10% to 15%. I was quite shocked and was wondering if the capacity will affect the RH value when the Dehumidifier is insert into a box (it can also be a cupboard or closet or something enclosed) but I would like to know if big enclosed area will result in different RH value by the same Dehumidifier & the different type of Dehumidifier as posted above. – Jack May 11 '12 at 2:04
@VebjornLjosa I would appreciate if you can help me to rephrase my question (if necessary). Thanks. – Jack May 11 '12 at 2:06

closed as not a real question by Steven, Niall C., Tester101♦, ChrisF♦ May 10 '12 at 20:45

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