Check BG Micro at www.bgmicro.com 
they have a 3 1/2 digit panel meter for < 8$


Eric


On Thu, 10 Sep 1998 08:16:21 -0500, Phi Le wrote:

>I would like to make the O2 analyzer outlined at
>http://spiff.physics.mcgill.ca/scuba/gear/analyser.html, and have acquired
>all necessary components except for the DMD 3500-B voltmeter which
>distributed by Circuit Test in Canada. Does anyone know of a comparable
>voltmeter which I could get in the US, particularly in Fort Lauderdale /
>Miami area ? Or a different method to built one which I could obtain parts
>in US / Florida ? (as I am visiting the US / Florida for 2 weeks)
>
>I know that I could just use a digital voltmeter to read and convert to FO2,
>but I am lazy and don't want to carry an extra calculator. Besides it
>introduces an extra human error factor (me!)
>
>TIA,
>
>Phi
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