Elliot Richmond wrote:
> On Sat, 3 Sep 2005 17:01:35 -0700, Randy Hunt <rhunt960@tco.net>
> wrote:
>
>
>>The 'Old' Dwell meters were usually based on continuity testers. I
>>suppose you could measure continuity with it. I have seen articles in
>>the electronic trade magazines about using Volt-Ohm (V.O.M.)meters for
>>measuring point dwell. This was back in the late sixties and early
>>seventies. I know I'm showing my age here.
>
>
> Young whippersnapper!
>
> My dwell meter scale read in degrees. I never took it apart but my
> guess was that it was some sort of RC circuit (or maybe IRC) with a
> voltmeter reading the potential across the capacitor. The longer the
> dwell, the more charge the capacitor would accumulate, and the higher
> the voltage, which would then read as a larger dwell angle.

That's how I would build one - dead simple


---
avast! Antivirus: Outbound message clean.
Virus Database (VPS): 0535-3, 09/02/2005
Tested on: 9/3/2005 7:52:57 PM
avast! - copyright (c) 1988-2005 ALWIL Software.
http://www.avast.com