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Date: Mon, 16 May 2005 17:34:49 -0500
From: Jim Sower <canarder@frontiernet.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Liquid level sensor on eBay
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I can't figure if they're going for $95 or $6.50.  Says winning bid 
$5.24, list price $95 or something.  That's too much of a stretch.  How 
much really?  I need some ... Jim S.

Chris Sargent wrote:

>Try this eBay link for optical liquid level sensors:
>
>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7514808759&rd=1&sspagenam
>e=STRK%3AMEWA%3AIT&rd=1
>
>If the link doesn't work, go to ebay and type "els-1100" or "gems level
>switch".
>
>These were discussed awhile back on this list.  I just wrote the seller to
>find he has 30 and would probably sell all at sale price.  They list for
>about $90.00 each.  They went unpurchased on his last listing.  Before that
>they went for $6.50.
>
>Specifications:
>  Materials
>  -  Housing and Prism   Polysulfone or Nylon
> Operating Pressure    0 to 150 PSI, Maximum
> Operating Temperature*    0?F to 176?F (-17.8?C +80?C)
> Current Consumption    18 mA, Approximately
> Output    TTL/CMOS Compatible. Open Collector Output May Sink 40 mA up to
>30 VDC.
> Repeatability    ?1 mm
> EMI Susceptability    Meets (MIL-STD-461B Part 2 Modified) Specification of
>10 V/M for Frequency Range 30 to 1000 Mhz (Except 609 Mhz = 9 V/M and 679
>Mhz = 7.5 V/M).
> Electrical Termination
>  -  Other Mounting Type   Lead Wires, 22 AWG, PVC Jacketed, 12" to 14"
>Extended
>  -  Other Mounting Type   25 Foot Cable, 22 AWG, PVC Jacketed
>* These switches are not for use in freezing liquid
>
>GEMS web site: http://www.gemssensors.com  type "els-1100" in search window.
>
>They should work for fuel level warning lights, to trigger a tranfer fuel
>pump relay, or water level low indicators (overflow tank only as high temp
>limit is low).  Model for sale is 10-28V.  I don't understand the "dry"
>probe (normally open circuit when wet, they closed when dry? or other way
>around?).
>
>Chris Sargent
>  
>
>
> ------------------------------------------------------------------------
>
>------------------------------------------------------------------------
>
>  
>
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