[RE-wrenches] thermal imaging stud sensors

[Gary Easton]

Anyone have experience with a thermal imaging stud sensor or any other
sensor that will work through roofs?
Gary Easton
Appalachian Renewable Power Systems
NABCEP Certified Solar PV
NABCEP Certified Solar Thermal
740-277-8498

> Drake,
>
> Chris Freitas wrote an article on this topic in SP1.1, ³Form 12S Metering
> for Grid-Tied Systems w/ Battery Backup.² Here¹s a link to the article and
> a
> wiring diagram:
>
>
> http://solarprofessional.com/article/?file=SP1_1_pg16_QandA_3&search=
>
> David Brearley, Senior Technical Editor
> SolarPro magazine
>
> On 8/10/10 7:57 AM, "Drake Chamberlin"
> <drake.chamberlin at redwoodalliance.org> wrote:
>
>> Hi Alex,
>>
>> The one meter hook up always seems confusing to me.  I'm still confused.
>>  Do
>> we have the AC IN at both the bottom left and top right?   To me it
>> seems that
>> the AC OUT from the inverter would go to the upper left and the
>> protected
>> loads panel would be fed from the bottom left.
>>
>> I've never used this method, but would like to use it instead of the two
>> meter
>> method.
>>
>> Thanks,
>>
>> Drake
>>
>>
>> At 12:19 AM 8/10/2010, you wrote:
>>> When metering for production here in Washington State, we use both
>>> sides in a
>>> 12s 120volt meterbase with fifth jaw.  top right inverter ac in, bottom
>>> right
>>> ac from grid.  top left from battery back up, bottom left from inverter
>>> ac
>>> in, fifth jaw neutral.
>>>
>>> this set up allows grid tied selling and battery saved energy selling
>>> to be
>>> metered while subtracting energy used to charge batteries and
>>> subtracting any
>>> power needed to run the inverter.
>>>
>>> hope this helps.
>>>
>>> contact me off list if you need the diagram (in office)
>>>
>>>
>
>
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