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> Dry Box Setting (Photography)

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MunkayXL
post Dec 4 2011, 07:55 PM

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@Hidden
I think it's quite hard for you to control RH% if you are using analog, I just left my at current setting, and it will be just around 45%-50%. And at most time, it will be exactly at 45%.

I think it shouldn't be a problem for the RH to be around 45%-50%, because, that is the recommended zone for cameras.

And ofcouse, when you open it frequently, the RH will go up abit. The longer the door open, the higher RH will go, and the longer it takes to go down back to 45%.

Correct me if I'm wrong =)
hidden830726
post Dec 4 2011, 08:08 PM

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So far mine is between 40 - 50, its still better than 70++ outside drybox
stan001
post Dec 8 2011, 03:21 PM

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For DIY or budget solution, use the following parts..

1. Digital Temp / RH / Clock ( cost around RM25-50 only at Jln Pasar )
http://shashinki.com/shop/shashinki-digita...lay-p-2744.html

2. Electronic Moisture Absorber ( I found one around the house used for hanging at clothes closet, so RM0 )
http://shashinki.com/shop/wonderful-electr...20g-p-2853.html

3. A transparent & air-tight box


To be sure the readings are accurate, I have an Arduino microcontoller with DHT11 temp / relative humidity sensors and the measurements are as follows :-

In the room is around 70 RH / 29-30C

In the DIY dry box , the RH drops from 70% to around 40-50% after a few hours

Or for those that do not want to mess with DIY stuff , just get those Karakka box ( google for it ) but it uses analog gauge RH meter..













LegendLee
post Dec 8 2011, 08:00 PM

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Anyone know where I can get an accurate digital hygrometer that can measure up to 0.1% of humidity from 5% to 99% RH ?

Price is not a problem.

CyntrixTech
post Dec 9 2011, 03:10 AM

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QUOTE(hidden830726 @ Dec 4 2011, 08:08 PM)
So far mine is between 40 - 50, its still better than 70++ outside drybox
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Exactly biggrin.gif As long as you put your gears inside of the dry box, you are already significantly better off than leaving it outside.
stan001
post Dec 9 2011, 10:38 AM

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QUOTE(LegendLee @ Dec 8 2011, 08:00 PM)
Anyone know where I can get an accurate digital hygrometer that can measure up to 0.1% of humidity from 5% to 99% RH ?

Price is not a problem.
*
Make one using the follow choice of sensors :-

http://www.ladyada.net/learn/sensors/dht.html

http://www.techtoys.com.hk/Components/SHT1x/SHT1x.htm

They are between +/- 2% to +/- 5% RH ...

Relative Humidity is a ratio depends on the current temp, not sure if it can go so low as 0.1%




LegendLee
post Dec 9 2011, 03:50 PM

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QUOTE(stan001 @ Dec 9 2011, 10:38 AM)
Make one using the follow choice of sensors :-

http://www.ladyada.net/learn/sensors/dht.html

http://www.techtoys.com.hk/Components/SHT1x/SHT1x.htm

They are between +/- 2% to +/- 5% RH ...

Relative Humidity is a ratio depends on the current temp, not sure if it can go so low as 0.1%
*
Thanks for the link, but 2-5% accuracy is a bit too low.
Would prefer something with at least 0.5% accuracy
stan001
post Dec 29 2011, 12:12 AM

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Hhmmm, the recommended RH for digital SLR is between 40-50% RH, so +/- 5% is quite acceptable la.. as it also it is relative to the temp too...

More accurate, the prices goes up la...

Is it for other purpose or something ??
Irbean
post Dec 29 2011, 03:39 PM

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Planning to get Aipo EX68 soon. any advise for this spesific model?
AzaelTheKid
post Jan 5 2012, 08:26 AM

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Hi guys,
I need some advise and opinion on the aipo dry box. I set the humidity to 40% but today it suddenly drop to 35%. Is it alright for it to drop down to 35%? since i already set it to 40%. Thanks!

This post has been edited by AzaelTheKid: Jan 5 2012, 08:27 AM
anjerasu
post Feb 27 2013, 11:12 PM

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Just bought my AIPO today, yes after 5 years of letting my gears to get killed. thanks for the info guys smile.gif
MichaelKesuma
post Apr 26 2013, 03:32 PM

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Just bough myself Ailite Dry Box (http://www.zsailite.com/en/productshow.asp?productid=448). Not many shops selling this brand. I think i will just try my luck on it.

+/- 2% Humidity. So far so good.
BlizzardCraft
post May 2 2013, 12:05 AM

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QUOTE(MichaelKesuma @ Apr 26 2013, 03:32 PM)
Just bough myself Ailite Dry Box (http://www.zsailite.com/en/productshow.asp?productid=448). Not many shops selling this brand. I think i will just try my luck on it.

+/- 2% Humidity. So far so good.
*
im studying in india, i duno is this good or not, cuz wan it be portable so can bring back malaysia...
http://www.gadgets.in/ailite-dry-box-for-d...era-alt-11.html

duno got the make air dry de thing onot... just got hygrometer there state ><

or this good ma?
http://www.ebay.in/itm/CA30-DRY-BOX-CABINE...#ht_8143wt_1554

This post has been edited by BlizzardCraft: May 2 2013, 12:06 AM
MichaelKesuma
post May 2 2013, 02:20 PM

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QUOTE(BlizzardCraft @ May 2 2013, 12:05 AM)
im studying in india, i duno is this good or not, cuz wan it be portable so can bring back malaysia...
http://www.gadgets.in/ailite-dry-box-for-d...era-alt-11.html

duno got the make air dry de thing onot... just got hygrometer there state ><

or this good ma?
http://www.ebay.in/itm/CA30-DRY-BOX-CABINE...#ht_8143wt_1554
*
If you are asking my opinion, i will go with whichever that is cheaper. The main reason is just because you are not staying in India forever. But if Money is not an issue for you, i'll go for Dry Cabinet not just a Dry Box like both of the link that you provide.
BlizzardCraft
post May 2 2013, 08:17 PM

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QUOTE(MichaelKesuma @ May 2 2013, 02:20 PM)
If you are asking my opinion, i will go with whichever that is cheaper. The main reason is just because you are not staying in India forever. But if Money is not an issue for you, i'll go for Dry Cabinet not just a Dry Box like both of the link that you provide.
*
hmm... went for the dry box le.. i dont trust myself in making a DIY dry box... got 5 lens at stake >< if kena str8 mati...
I think i will try to sell it to my juniors or the others next year =) thx for your reply !
madeleine_1406
post May 19 2013, 06:19 PM

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mine is 37% only..izzit okie??
BlizzardCraft
post May 20 2013, 10:46 PM

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QUOTE(madeleine_1406 @ May 19 2013, 06:19 PM)
mine is  37% only..izzit okie??
*
can ba.. try make 40 @@ alot people say 35 will got chance ruber spoil and oil dry
madeleine_1406
post May 26 2013, 04:31 AM

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QUOTE(BlizzardCraft @ May 20 2013, 06:46 AM)
can ba.. try make 40 @@ alot people say 35 will got chance ruber spoil and oil dry
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how to increase it 40 as mine no setting
BlizzardCraft
post May 26 2013, 04:23 PM

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QUOTE(madeleine_1406 @ May 26 2013, 04:31 AM)
how to increase it 40 as mine no setting
*
for mine also no setting, my dry box just hygrometer + rechargble dehumidifier only... what i do is, when it hits around 40, then i take out the dehumidifier. and store inside plastic ( wont absorb moisture , no need keep recharge )

then it will stay @ 40.
ricksim
post Feb 12 2014, 02:48 PM

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QUOTE(crownfish @ Oct 17 2008, 01:50 AM)
analog cabinet setting guide-
1- set the dial at center. let the cabinet to stable for one day.
2- obtain the reading from the meter.
3- if reading is lower than ur desire range - reduce the power of the dry module ( turn the dial abit only).
4- if reading is higher than ur desire range - increase the power of the dry module ( turn the dial abit only).
5- repeat the process 1-4 until u happy the humidity level.

Note : need to be patient!! accuracy >+- 5 %
Note : pls note is normal the reading may drop futher after few days.
Advice : As the reading around 40 - 50%  consider ok already

Analog cabinet user
< 30% not ok
30 - 40 % - ok
35 - 45 % - ok
40 - 50 % - ok
45 - 55 % - ok
> 55% not ok
*
Thanks so much for your knowledge sharing - I just bought a D026 on Sunday and only now I got my hygrometer to stabilise 40-45% RH. Really appreciate having read your post - patience really is key!

Can I ask if it is advisable to separate everything - lens from body, filter from lens, cap as well? Is there any difference if just leaving everything assembled when placed inside the drybox?

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