X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp.knology.net ([24.214.63.101] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with SMTP id 945315 for flyrotary@lancaironline.net; Sun, 15 May 2005 21:36:48 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.214.63.101; envelope-from=rv7rotary@knology.net Received: (qmail 4830 invoked by uid 0); 16 May 2005 01:36:03 -0000 Received: from user-24-214-174-156.knology.net (HELO Silver) (24.214.174.156) by smtp5.knology.net with SMTP; 16 May 2005 01:36:03 -0000 From: "Chris Sargent" To: "Rotary motors in aircraft" Subject: Liquid level sensor on eBay Date: Sun, 15 May 2005 20:36:03 -0500 Message-ID: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_NextPart_000_000C_01C5598D.B66A7CA0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_000C_01C5598D.B66A7CA0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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?). 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