[Protein-analysis] Re: Opinions about Bio-Rad PowerPac Basic Power Supply

SJC via proteins%40net.bio.net (by scott.coutts At med.monash.edu.au)
Mon Nov 20 19:27:25 EST 2006


DK wrote:
> In article <4562212e$1 At dnews.tpgi.com.au>, SJC <scott.coutts At med.monash.edu.au> wrote:
>>
>>
>> DK wrote:
>>> In article <1163708083.041683.219360 At f16g2000cwb.googlegroups.com>, "Lechu"
>> <lech_kaczmarczyk At yahoo.com> wrote:
>>>> Is this power module suitable for western-blotting transfers? 
>>> Yes. Reasonabley cheap, simple and very convenient. 
>>>
>>>> Or do I
>>>> need sth more powerful? 
>>> Depends. 
>>>
>>>> Any reccommendations? How about running 2
>>>> transfers simultaneosly (2 chambers x 2 membranes)?
>>> PowerPac Basic is rated 400 mA, which puts right on the edge 
>>> when running 2 transfer modules at the same time, so it's
>>> not practical. Bio-Rad has higher power version of it they 
>>> call "PowerPac Basic HC". It handles 1000 mA, so parallel
>>> transfers are no problem. Many parallel gel rigs are not a
>>> problem with either. 
>>>
>>> DK
>> We use the power pack and it is fine... except that it can become quite 
>> noisey because it is fan cooled. We have had a faulty unit replaced 
>> because of this. The power pack worked fine, but the noise was very 
>> annoying - The fans are quite cheap.
> 
> Wow. I guess it is too noisy in our lab. I have it sitting on my bench
> and never noticed a noise coming from its fan.
> 

I meant that the faulty one was too loud. It's fan had come loose so it 
constantly made intermittent whining and buzzing sounds as the fan spun 
off-axis!

As they are when working properly, I think they're louder than all of 
our other power supplies, but not intolerable.

Cheers,

Scott.


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