[rollei_list] Re: JOBO film developer questions
- From: Georges Giralt <georges.giralt@xxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Tue, 03 Jan 2012 08:51:09 +0100
Hello !
If I'm not mistaken, the Jobo has a mean to get and maintain the proper
temperature. So if I'm right, you do not need to get the water at the
correct temp with a 0.1 ° c accuracy.
So you'd better buy a shower thermostatic faucet. These are pretty
precise (even if badly calibrated in the factory) and really cheap. Bear
in mind that any device need a hot water staying in narrow temperature
margin if you want the output to stay at a constant temp.
I use a couple of these faucet in my darkroom, one bought for less than
20 € and the other (more complex as it is a bath and shower model) for
less than 50 € so.......
Look at the Jobo specs to find out the required temperature precision.
Just my 2 cents.
Le 03/01/2012 08:23, Thor Legvold a écrit :
> Wow,
>
> looks serious...
>
> Will it work in Europe? I.e. are the pipe sizes/threads different (I guess an
> adapter would fix that), and will it run off of 220v (I guess a power
> adapter would fix that)?
>
> Is it that much better than the Jobo water mixing panel?
>
> Thor
>
> On 3. jan. 2012, at 02.18, Jim Brick wrote:
>
>> This is what I use, a bit expensive new, but it single handedly made the
>> biggest difference in my darkroom operation over any other item. I have two,
>> the first I bought new, the second for 1/3rd the price on eBay. It is truly
>> a set and forget controller! One is for my JOBO ATL-2400, the other for my
>> sink. You won't need two of them... :-)
>>
>> http://www.hassmfg.com/search.pl/biased_guide.pl?keyword=1092&Submit=search
>>
>> Also read this, it's total fact:
>>
>> http://www.hassmfg.com/biased_guide.pl
>>
>> Jim
>>
>>
>>
>> Jim Brick
>> Sunnyvale, CA
>> http://www.photomojo.org
>>
>> On Jan 2, 2012, at 3:54 PM, Thor Legvold wrote:
>>
>>> Just a quick question for those who might be using one of these units.
>>>
>>> I'm finally (!) getting around to getting my ATL1500 up and running and
>>> installed, and found that the input hose is missing. Before I run off and
>>> buy one, taking a quick look on the net reveals that people are either
>>> using a "mixing panel" to get proper temperature before running the water
>>> into the unit (high pressure, from the tap via the mixer panel), or what is
>>> basically a water heater in a tank/bucket of water with a small pump to
>>> bring the water into the unit (low pressure).
>>>
>>> Since I'd like to do this right the first time, what are the
>>> advantages/disadvantages to each method? Is the water mixing panel a rare,
>>> expensive and fiddly piece of gear, or is it set and forget? Will using a
>>> "bucket" of water with a small pump and heater be easier when something
>>> breaks (seems people are using small winshield washer fluid pumps and such,
>>> along with inexpensive portable water heaters)?
>>>
>>> Looking for opinions, which this list seems to have no end of :-P
>>>
>>> Cheers,
>>> Thor
>>>
>>>
>>>
>>> ---
--
If the only tool you have is a hammer, you tend to see every problem as a nail.
Abraham Maslow
A British variant :
Any tool can serve as a hammer but a screwdriver makes the best chisel.
---
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