Mailing List flyrotary@lancaironline.net Message #23430
From: Mark R Steitle <mark.steitle@austin.utexas.edu>
Subject: RE: [FlyRotary] Re: GEMS ELS-1100 level sensors again
Date: Thu, 9 Jun 2005 11:12:53 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Message

Rusty,

I don’t plan on running any relays, only a warning light.  So, I’ll try the middle circuit and see how that goes.  Thanks for bringing these to the group’s attention. 

 

Mark

 


From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Russell Duffy
Sent: Thursday, June 09, 2005 10:54 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: GEMS ELS-1100 level sensors again

 

Did you end up getting any of these fluid level sensors?  I ended up buying 3.  I would like to use them as a low-fuel-level monitor for my wing tanks.  Do you have any form of schematic that you would be willing to share?  The spec sheet says they can handle up to 40ma directly.  So, maybe I could just wire them to a couple of red LED’s.  Any ideas? 

 

Hi Mark,

 

I waited until the last minute, and snagged all that weren't already spoken for.   As for schematics, go to the Gem's ELS-1100 page for specs:

 

 

There's a link at the bottom that says typical wiring diagrams. 

 

 

You see some asterisks on this page, which aren't defined unless you click on the pdf download link at the upper right of the page:

 

 

The center (direct load) option is what I'm using with the ELS-900's that I have on my coolant system, and it's how I would hook up an LED.  If you want to control a pump, or something that pulls more current than it can handle directly, then use the relay option on the bottom.  Be careful how much current you draw through the coil of the relay though.  

 

Cheers,

Rusty 

 

 

 

 

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