I suspect some sort of feedback via the LCD panel caused by sunlight.  Using 
Ohm's law might shed some light...I don't know how though.  Lawrence Rhodes


>________________________________
> From: Michael Ross <michael.e.r...@gmail.com>
>To: Lawrence Rhodes <primobass...@sbcglobal.net>; Electric Vehicle Discussion 
>List <ev@lists.evdl.org> 
>Sent: Tuesday, March 17, 2015 3:08 PM
>Subject: Re: [EVDL] Watch "Malfunctioning meter." on YouTube
> 
>
>
>If it wasn't for the possibly coincidental sunlight, I would say it looks like 
>an electromechanical voltage regulator in action.  A regulator might go as 
>high as 14 and change, and when it stops charging the battery voltage shows 
>and is load dependent - not steady.
>
>
>The change is kind of fast to be a thermal effect of the sunlight on plastic 
>(not very conductive).  Usually instrumentation amps for voltage are not that 
>susceptible to changes in ambient temperature.  How could be simply the light 
>intensity?  I don't have a feel for that.  You could mess around with an ice 
>pack or a bottle of chip freezer spray and see if the change goes the other 
>direction.
>
>
>
>
>
>On Tue, Mar 17, 2015 at 5:55 PM, Lawrence Rhodes via EV <ev@lists.evdl.org> 
>wrote:
>
>Malfunctioning meter.: https://youtu.be/xNy8IOlRkII
>>
>>This is the correct url.  Lawrence Rhodes
>>
>>-------------- next part --------------
>>An HTML attachment was scrubbed...
>>URL: 
>><http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150317/0d32c3cf/attachment.htm>
>>
>>_______________________________________________
>>UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
>>http://lists.evdl.org/listinfo.cgi/ev-evdl.org
>>For EV drag racing discussion, please use NEDRA 
>>(http://groups.yahoo.com/group/NEDRA)
>>
>>
>
>
>
>-- 
>
>To invent, you need a good imagination and a pile of junk.
>Thomas A. Edison
>
>
>A public-opinion poll is no substitute for thought.
>Warren Buffet
>
>
>Michael E. Ross
>(919) 585-6737 Land
>(919) 576-0824 Google Phone
>(919) 631-1451 Cell
>
>
>michael.e.r...@gmail.com
>
>
>
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: 
<http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150317/358718ea/attachment.htm>
_______________________________________________
UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
http://lists.evdl.org/listinfo.cgi/ev-evdl.org
For EV drag racing discussion, please use NEDRA 
(http://groups.yahoo.com/group/NEDRA)

Reply via email to