Re: Camera heater needed in NJ?

[DeanB <deanbrown3d@xxxxxxxxx>]

On Sep 26, 11:23 am, Matt Ion <soundy...@xxxxxxxxx> wrote:
> DeanB wrote:
> > Thanks both of you. I was not sure if those temperature specs were for
> > an unenclosed camera. I can imagine a camera in a cold factory that's
> > not in any box being a lot colder than an enclosed camera. But pretty
> > much you're saying to just include the heater anyway - and since its
> > not much different in price I'll d just that.
>
> The heater in the enclosure isn't to keep the camera warm, it's to keep
> the glass from fogging up (or icing up, if it's cold enough).  The
> "heater" often consists of little more than a couple of large,
> low-resistance, high-wattage resistors clamped directly against the
> glass.  A blower is there to circulate air and further prevent fogging,
> not to keep the camera cool.
>
> Most cameras of the type you're going to put in an enclosure run
> relatively warm on their own anyway, and their operating temperature
> range is pretty wide.  In a sealed enclosure, they'll tend to keep
> themselves quite toasty in winter.
>
> The heater is a good idea in those climates though, just to help keep
> the glass clear.  The important thing is, you also need to make sure to
> seal the enclosure properly so it's not getting moist outside air in.

Yes, indeed the camera get very warm, so what you say Matt makes good
sense.

Thanks all again,

Dean