Re: VFD tachometer sanity check

Jon:

I figured the top one for a voltmeter (and the bottom for a counter
I don't need). Oh well, I've thrown away more on less in the past.

Maybe I'll just buy the voltmeters and call it a day instead of
being tempted by the labels on meters of unknown parentage.

Jeff

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:
>
>
> washcomp wrote:
>
> >Oh, what the heck. I just bought this on E-Bay:
> >
> >http://cgi.ebay.com/ws/eBayISAPI.dll?
> >ViewItem&item=2573683479&ssPageName=ADME:B:EOAB:US:6
> >
> >I'm not 100% sure that its what I'm looking for, but its
promising
> >and cheap enough to give it a shot.
> >
> >
> Well, you got yourself a totalizing counter and a rate counter.
> The bottom counter counts up pulses until you hit the reset button.
> The rate counter counts pulses and displays the count per some
> unit of time. It was set up as an RPM meter, apparently, but
> I don't know how many pulses per rev or what signal characteristics
> it expects. I think these Red Lion counters can be used with
> magnetic reed switches, and a magnet attached to the device
> to be timed. You should be able to get some Red Lion info from
> such outfits as Digi-Key and Newark.
>
> Jon