PV module temp [RE-wrenches]

[jay peltz]

Hi Travis,

I bet its pretty close, but why not try using another channel that is attached
but not insulated just next to the other sensor.  That should give you a close
idea of whats happening.

jay

peltz power

"Travis Creswell, Ozark Solar" wrote:

> Hey Gang,
>
> I have hooked up a Heliotrope Quadra Temp four channel temp monitor that
> uses 10k sensors.  One of the channels is monitoring temp on the back of a
> module in my roof mounted PV array.  I'm seeing temps of nearly 140 F on
> sunny days that the ambient temp doesn't get past 80 F.  That seems pretty
> high.  The sensor is fine as it reads ambient temp accurately after sunset
> plus I checked it before I installed it.  I siliconed the sensor along with
> a small piece of Armaflex insulation on the back approximately in the center
> of the module.
>
> I insulated it so the temp would be more accurate but now I am wondering if
> I'm not holding heat in with the insulation causing the temp to be too high?
>  But if I don't insulate it won't it read too cool?
>
> Suggestions?
>
> Thanks in advance.
>
> Travis Creswell
> Ozark Solar
>
> - - - -
> To send a message: RE-wrenches at topica.com
>
> Archive of previous messages: http://www.topica.com/lists/RE-wrenches/
>
> List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm
>
> Check out participant bios: www.mrsharkey.com/wrenches/index.html
>
> Hosted by Home Power magazine
>
> Moderator: michael.welch at homepower.com
>

- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://www.topica.com/lists/RE-wrenches/

List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm

Check out participant bios: www.mrsharkey.com/wrenches/index.html

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com

==^================================================================
EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9
Or send an email To: RE-wrenches-unsubscribe at topica.com
This email was sent to: michael.welch at homepower.com

T O P I C A -- Register now to manage your mail!
http://www.topica.com/partner/tag02/register
==^================================================================