X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from omr-m08.mx.aol.com ([64.12.222.129] verified) by logan.com (CommuniGate Pro SMTP 6.0.5) with ESMTP id 6267470 for lml@lancaironline.net; Mon, 13 May 2013 08:05:04 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.222.129; envelope-from=Sky2high@aol.com Received: from mtaomg-ma05.r1000.mx.aol.com (mtaomg-ma05.r1000.mx.aol.com [172.29.41.12]) by omr-m08.mx.aol.com (Outbound Mail Relay) with ESMTP id 6FD03700000B4 for ; Mon, 13 May 2013 08:04:28 -0400 (EDT) Received: from core-mtc004c.r1000.mail.aol.com (core-mtc004.r1000.mail.aol.com [172.29.235.13]) by mtaomg-ma05.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 34E3AE000089 for ; Mon, 13 May 2013 08:04:28 -0400 (EDT) From: Sky2high@aol.com Full-name: Sky2high Message-ID: Date: Mon, 13 May 2013 08:04:28 -0400 (EDT) Subject: Re: [LML] Electronics International divide-by-4 (/4) To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_f17bd.4300a6b8.3ec230cc_boundary" X-Mailer: AOL 9.6 sub 168 X-Originating-IP: [67.175.156.123] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1368446668; bh=BjWMsJy/+NkZwKDpyOz8ul/3grHRfR1QOZ4mc5695V8=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=SpnJM49ThNGiWYw4Wpr0XmEQw+Gv195KSR+NyuEishu7dSLNRrF7lBd6ALo/gup+d snK8Cnm74XqlcuJjZvaYrNq2qVYWGDHjT6OYZ2Bsmuu4aaIl72SKfLc/MMXWEpUQi1 vZs511DMqh8OYd36tqiJTo+/XaxlrRnX4jYMmzDI= X-AOL-SCOLL-SCORE: 0:2:452510624:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d290c5190d6cc4022 --part1_f17bd.4300a6b8.3ec230cc_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Righto. VM probes have three wires, Black = ground, Red = +5 VDC and White = frequency out where higher frequency range = shorter probe. I used an 8 inch probe vertically in the header tank and built a CMOS frequency divider (by 2) that was just a bulge in the cabling between the probe and the computer. The VM computer didn't like frequencies above 20,000. Grayhawk In a message dated 5/13/2013 6:51:02 A.M. Central Daylight Time, N4ZQ@VERIZON.NET writes: Danny, their /4 changes the base sensor count before calibration and depending on the length of your probes, there should be no need to install this device between the probe and FLC. I have 2 4' Vision Micro Systems probes in my wings and they interface seamlessly with my EI MVP-50. Their /4 device is required in line when the probe is short as in my header tank...16". Angier Ames N4ZQ -- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html --part1_f17bd.4300a6b8.3ec230cc_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Righto.  VM probes have three wires, Black =3D ground, Red =3D +5= VDC and=20 White =3D frequency out where higher frequency range =3D shorter probe= .  I=20 used an 8 inch probe vertically in the header tank and built a CMOS frequen= cy=20 divider (by 2) that was just a bulge in the cabling between the probe and t= he=20 computer.  The VM computer didn't like frequencies above=20 20,000. 
 
Grayhawk 
 
In a message dated 5/13/2013 6:51:02 A.M. Central Daylight Time,=20 N4ZQ@VERIZON.NET writes:
= Danny,=20 their /4 changes the base sensor count before calibration and depending o= n the=20 length of your probes, there should be no need to install this device bet= ween=20 the probe and FLC.
I have 2 4' Vision Micro Systems probes in my wings= and=20 they interface seamlessly with my EI MVP-50. Their /4 device is
requi= red=20 in line when the probe is short as in my header tank...16".

Angier= =20 Ames
N4ZQ
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