(meteorobs) Heat required to prevent dew in a box for allsky camera
Jim Wooddell
nf114ec at npgcable.com
Sat Nov 22 19:25:31 EST 2014
Hi All,
I would have never designed a system like Sandia did. However, it works
very well with a bunch in service in many parts of the world.
It can be improved, but I would wager any design can be improved.
We could argue this all day long! Hard to argue with a network
of cameras that simply works, is available to the public 24/7, etc.
Air circulation in the camera mount is good and is forced circulation
from on side to the other. I had reduced the temperature control
setting at install and (knock on wood) have never had any issues.
My issue was/is with the false pretense statements made that the camera
system is unsafe. That's like saying your neighborhood street lights or
the wires feeding houses are unsafe. Just nuts with nothing I know of
to back up the claims.
Jim
On 11/22/2014 11:01 AM, Chris Peterson wrote:
> The Sandia design isn't the best. In fact, for a video system (as
> opposed to the DSLR case that started this discussion) there is no need
> for heaters at all. The electronics in the enclosure generates enough
> waste heat to keep the dome dew and frost free under the worst of
> conditions. All that is required is a simple internal circulation system.
>
> Chris
>
> *******************************
> Chris L Peterson
> Cloudbait Observatory
> http://www.cloudbait.com
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