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ralphmariafinch(at)gmail.
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 Posted: Wed Oct 09, 2013 9:31 am Post subject: Looking for programmable electrical test box |
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I don't know what to call it, but I'm looking for a programmable electrical test box: a gizmo that I can program to apply a certain voltage or resistance or current to its connections, that I can program to vary the V, I, or R as a function of time or measured electrical parameter. So for instance I want to apply a draining current to a battery load, such that the draining current is constant (the gizmo will vary the resistance applied to achieve the constant current). The gizmo should record time, V, I, and R so I can download them via bluetooth or USB flash drive.
Does such a gizmo exist?
Ralph Finch
Davis, CA
RV-9A build
[quote][b]
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Eric M. Jones
Joined: 10 Jan 2006
Posts: 565
Location: Massachusetts
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enginerdy(at)gmail.com
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| Posted: Wed Oct 09, 2013 10:33 am Post subject: Looking for programmable electrical test box |
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You're looking for an electronic load that has a computer connection for logging and control. Hope you're feeling spendy!
The B&K Precision 8540 is an example of something that might work for you. I have never used one though, so don't take that as a product recommendation.
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retasker(at)optonline.net
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| Posted: Wed Oct 09, 2013 11:07 am Post subject: Looking for programmable electrical test box |
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Not exactly what you want to test, but this might do what you want:
http://www.westmountainradio.com/product_info.php?products_id=cba4
The previous revision has been mentioned on this forum before. I have one and it definitely works as advertized.
Dick Tasker
Daniel Hooper wrote:
| Quote: | You're looking for an electronic load that has a computer connection for logging and control. Hope you're feeling spendy!
The B&K Precision 8540 is an example of something that might work for you. I have never used one though, so don't take
that as a product recommendation..
The number of watts you need will determine the model and price.
I would suggest that you consider using constant power mode if you're simulating avionics loads, or other devices with
built in power supplies like LED or HID landing lights. Those devices typically consume a set amount of power and will
pull more current as the voltage sags.
--Daniel
On Oct 9, 2013, at 12:30 PM, Ralph Finch <ralphmariafinch(at)gmail.com <mailto:ralphmariafinch(at)gmail.com>> wrote:
> I don't know what to call it, but I'm looking for a programmable electrical test box: a gizmo that I can program to
> apply a certain voltage or resistance or current to its connections, that I can program to vary the V, I, or R as a
> function of time or measured electrical parameter. So for instance I want to apply a draining current to a battery
> load, such that the draining current is constant (the gizmo will vary the resistance applied to achieve the constant
> current). The gizmo should record time, V, I, and R so I can download them via bluetooth or USB flash drive.
>
> Does such a gizmo exist?
>
> Ralph Finch
> Davis, CA
> RV-9A build
> *
>
> ===================================
> st">http://www.matronics.com/Navigator?AeroElectric-List
> ===================================
> cs.com
> ===================================
> matronics.com/contribution
> ===================================
>
> *
*
*
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