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Thread: Dry Cabinet Level shot up on rainy days?

  1. #21

    Default Re: Dry Cabinet Level shot up on rainy days?

    Quote Originally Posted by catchlights View Post
    so what is your conclusion?
    don't open dry cabinet during raining day?
    don't take out camera during raining day?


    hmmm... i thought even if you don't open there will still be some exchange of air? not because its not air tight but the cabinet works that way.. haiz... gotta read manual liao..

  2. #22
    Senior Member Diavonex's Avatar
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    Default Re: Dry Cabinet Level shot up on rainy days?

    Next time turn ON the aircon for one hour before you open the door of your dry cabinet; it'll behave like normal.

  3. #23

    Default Re: Dry Cabinet Level shot up on rainy days?

    shouldn't be shot up right if the cabinet door is always close
    50D|EF-S17-85mm f4.0-5.6 IS USM|EF50mm f1.4 USM|EF70-200mm f2.8L IS USM|EF100mm f2.8L Macro IS USM

  4. #24
    Senior Member CS TAN's Avatar
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    Default Re: Dry Cabinet Level shot up on rainy days?

    Quote Originally Posted by Diavonex View Post
    Next time turn ON the aircon for one hour before you open the door of your dry cabinet; it'll behave like normal.
    That's what I did if I am planning to open up the cabinet for a longer duration. e.g. rearrange the shelf and items in it.
    Canon 5D Mark II | 24-105L | 35L | 85L II | 135L | Samyang 14mm 2.8

  5. #25
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    Default Re: Dry Cabinet Level shot up on rainy days?

    Refer post #3, the level shot up After TS opened the door and put something in it.

    Quote Originally Posted by hansenhon View Post
    shouldn't be shot up right if the cabinet door is always close

    Anyway, a short period of high humility is not going to result in something drastic to the equipments.. After all, when the equipment is being used, it is exposed to high humility for even much longer periods, what is a rise of 10% in humility for a few minutes or hours?
    Last edited by Limsgp; 6th November 2009 at 02:58 PM.

  6. #26

    Default Re: Dry Cabinet Level shot up on rainy days?

    Regardless 1 sec or 3sec, the RH will still shoot up because once you open the door, the room air is push into the cabinet (open door creates suction just like fridge).

    Why does it take much longer time to reduce RH after prolong opening has these main reasons.

    - You equipment begin to absorb moisture.
    - Don't forget, your breath is 80% moist.
    - When you rearrange the item, you transfer moisture to the item.

    And why opening and close door "without" touching any item will down the RH faster momentarly than above situation is bec moisture in the cabinet is absorbed by dryer surface of equipment.

    Which is why fan power within the cabinet will speed thing up by a lot. Of course silica gel with fan is the ultimate.

    Quote Originally Posted by Rendell View Post
    Lol, why would i soak my dry cabinet in the rain ....
    I did open the door to place in my lens, but open door close door less than 3 sec.
    Last edited by spheredome; 6th November 2009 at 11:25 PM.

  7. #27

    Default Re: Dry Cabinet Level shot up on rainy days?

    The rise is insignificant anyway.

  8. #28

    Default Re: Dry Cabinet Level shot up on rainy days?

    Either the room is dry or the hygrometer use is not sensitive, which the latter is more likely.

    Quote Originally Posted by Blur Shadow View Post
    The rise is insignificant anyway.

  9. #29

    Default Re: Dry Cabinet Level shot up on rainy days?

    same thing happens to my dry cabinet. I have been monitoring it for a week.. RH shot up to 48% almost every morning [the red light inside automatically switched on], and normally, RH will be back to normal at 40% in the afternoon. I didn't opened the door, and don't understand how the dry cabinet works... I am using Akarui Digi. Is this a norm?

  10. #30

    Default Re: Dry Cabinet Level shot up on rainy days?

    Yep...Yesterday my dry cabinet reading rose from 43% to 48%...Probably because of high humidity when I opened the door for a couple of seconds.

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