[volt-nuts] fluke 5200a extenders

Ken Goodhew kgoodhew at iinet.net.au
Tue Nov 18 19:18:21 EST 2014

Hi Mark,
	Great to see that the extenders seem to have passed all the test with flying colours.
Now how do I go about getting a set?
Ken Goodhew.

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From: volt-nuts [mailto:volt-nuts-bounces at febo.com] On Behalf Of volt-nuts-request at febo.com
Sent: Wednesday, November 19, 2014 4:00 AM
To: volt-nuts at febo.com
Subject: volt-nuts Digest, Vol 63, Issue 13

Today's Topics:

   1. Fluke 5200a extender (Mark Sims)


Message: 1
Date: Tue, 18 Nov 2014 00:44:22 +0000
From: Mark Sims <holrum at hotmail.com>
To: "volt-nuts at febo.com" <volt-nuts at febo.com>
Subject: [volt-nuts] Fluke 5200a extender
Message-ID: <BLU170-W45CE8FE65C280657AFF814CE880 at phx.gbl>
Content-Type: text/plain; charset="iso-8859-1"

I recently bought a small insulation tester DMM off of Ebay ($20, search for "bm500a insulation tester").  It can test at 250/500/1000V.  I built up three of the 5200A extender cables and tested them.  There were no problems at 1000V (even though the ribbon cables are only rated for 300V and there are some pretty tight clearances on the boards where etches are routed between pins of the ribbon cable headers).  It looks like there should be no problem handling the max 190V potential difference between two adjacent pins on the 5200A bus.
I tested the cables by shorting all the top side pins and shorting all the bottom side pins on an edge connector,  hooking the completed extenders to that edge connector,  and testing the resistance between the top side and bottom sides.  That tests all the adjacent wires on the ribbons and the tight clearances.   		 	   		  


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