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VMS capacitance fuel probes used with Dynon EMS?

 
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scott(at)tnstaafl.net
Guest
PostPosted: Thu Apr 05, 2007 6:53 am    Post subject: VMS capacitance fuel probes used with Dynon EMS? Reply with quote
Joe,

What is the output of the VMS fuel probe? capacitance, frequency,
voltage? It does have some kind of circuitry built into the end of it.

I found an article by Jim Wier about building a capacitance fuel probe
circuit which looks very doable.

thanks for the info.

Scott
Joe Garner wrote:
Quote:


You can get the Princeton converter from Grand Rapids. Also I think
Blue Mt. makes one if you want to deal with them...

Several articles on the Internet for roll your own converters if you search.

Im putting in a GRT EIS in place of an EPI800 which uses those same probes.

HTH, Joe
Scott Derrick wrote:

>
>
> Hi,
>
> I have Vision Microsystems capacitance fuel probes installed in my
> Velocity. I would like to use them with Dynon's EMS which requires a
> 0-5 volt output from the fuel probes. I don't know if the Vision probes
> output frequency, capacitance or voltage. Dynon didn't seem to know
> either.
> Vision is going through extreme changes since bought by JPI, tech
> support is nil, I've been waiting for a new Vision VM1000C since last
> august and have given up waiting.
>
> Any help in using these VMS fuel probes with the Dynon unit would be
> greatly appreciated. The probes worked fine for 450 hours with a VM1000
> unit,
>
> I have heard that Princeton Electronics made capacitance fuel probe
> converters but teh only number I have for them( 616-281-5193) is
> disconnected.
>
> thanks,
>
> Scott
>
>




--

-
I would rather be exposed to the inconveniences attending too much liberty than to those attending too small a degree of it.

Thomas Jefferson to Archibald Stuart, 1791. ME 8:276

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greg(at)itmack.com
Guest
PostPosted: Sun Apr 08, 2007 1:26 pm    Post subject: VMS capacitance fuel probes used with Dynon EMS? Reply with quote
Scott I'm just finishing the PCB layout using Jim Wier's design. At this
stage I'm going to use a panel meter for the fuel gauge. Later I might make
another processor board for corrections since its not a linear output. It
will probably handle different fuels etc.

Greg
RV8

Quote:

Joe,

What is the output of the VMS fuel probe? capacitance, frequency, voltage?
It does have some kind of circuitry built into the end of it.
I found an article by Jim Wier about building a capacitance fuel probe
circuit which looks very doable.

thanks for the info.
Scott
Joe Garner wrote:
>
> <jgarner(at)dslextreme.com>
>
> You can get the Princeton converter from Grand Rapids. Also I think
> Blue Mt. makes one if you want to deal with them...
>
> Several articles on the Internet for roll your own converters if you
> search.
>
> Im putting in a GRT EIS in place of an EPI800 which uses those same
> probes.
>
> HTH, Joe
> Scott Derrick wrote:
>
>>
>> <scott(at)tnstaafl.net>
>>
>> Hi,
>>
>> I have Vision Microsystems capacitance fuel probes installed in my
>> Velocity. I would like to use them with Dynon's EMS which requires a
>> 0-5 volt output from the fuel probes. I don't know if the Vision probes
>> output frequency, capacitance or voltage. Dynon didn't seem to know
>> either.
>> Vision is going through extreme changes since bought by JPI, tech
>> support is nil, I've been waiting for a new Vision VM1000C since last
>> august and have given up waiting.
>>
>> Any help in using these VMS fuel probes with the Dynon unit would be
>> greatly appreciated. The probes worked fine for 450 hours with a VM1000
>> unit,
>>
>> I have heard that Princeton Electronics made capacitance fuel probe
>> converters but teh only number I have for them( 616-281-5193) is
>> disconnected.
>>
>> thanks,
>>
>> Scott
>>
>>
>
>
>

--

-
I would rather be exposed to the inconveniences attending too much
liberty than to those attending too small a degree of it.

Thomas Jefferson to Archibald Stuart, 1791. ME 8:276





- The Matronics AeroElectric-List Email Forum -
 

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