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Voltage from fuel sender

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gfmjr_20(at)hotmail.com
Guest

Posted: Sat Feb 18, 2006 3:43 pm Post subject: Voltage from fuel sender

List--

   I'm trying to set up the Dynon EMS fuel level senders in parallel with my

regular analog gauges.  To do this I need to know the voltage that the

level senders "output". It should be somewhere around 0-5 volts but I'm

not sure and my wings are stored where I can't easily access them.

  If anyone knows this info I'd much appreciate it



Thanks

George May

601XL 912s

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craig(at)craigandjean.com
Guest

Posted: Sat Feb 18, 2006 3:58 pm Post subject: Voltage from fuel sender

I may be wrong here but I'll give it a try. If you have capacitive senders

then the voltage should range between 0 and the supply voltage to the sender

(12v?).



If you have a conventional resistive "float" sender then it does not produce

a voltage. It is just a variable resistor. The input you connect it to will

supply the current and measure the flow (in thousandths of an amp) to

measure the level.



-- Craig 



--

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gfmjr_20(at)hotmail.com
Guest

Posted: Sat Feb 18, 2006 6:42 pm Post subject: Voltage from fuel sender

Craig--

  Sorry I wsn't quite clear.  I have resistive senders in the tanks.  In 

order to parallel

the existing senders with the Dynon inputs, I'll need to define the dynon 

inputs

as capacitive in their setup menu(otherwise I'd have resistors in parallel 

giving miss info).

My understanding is that these Dynon inputs function from 0-5 volts.  I want 

to insure

I do not overdrive these inputs, thus the question.



George

[quote]From: "Craig Payne" <craig(at)craigandjean.com>

Reply-To: zenith-list(at)matronics.com

To: <zenith-list(at)matronics.com>

Subject: RE: Re: Voltage from fuel sender

Date: Sat, 18 Feb 2006 16:54:01 -0700






I may be wrong here but I'll give it a try. If you have capacitive senders

then the voltage should range between 0 and the supply voltage to the 

sender

(12v?).



If you have a conventional resistive "float" sender then it does not 

produce

a voltage. It is just a variable resistor. The input you connect it to will

supply the current and measure the flow (in thousandths of an amp) to

measure the level.



-- Craig



--

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btucke73(at)yahoo.com
Guest

Posted: Sat Feb 18, 2006 7:49 pm Post subject: Voltage from fuel sender

George,



     Look here:  



http://store.summitracing.com/default.asp?target=egnsearch.asp&N=115+400267+301970&autoview=sku



     If you have the sender recommended by Zenith, it

is 10 - 180 ohms, but there are others as well.  You

have to know which you installed.  



R/



Brandon

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