Ferrari Mailing List: Re: NGK Powerdex AFX Wideband O2 Air Fuel Ratio Monitor

[Jim Conforti (lndshrk]

At 04:41 PM 4/6/2007 -0400, Martin Stark wrote:
> Good info, thxn Jeff.  To answer your question concerning duty cycle
> calculation, using an oscilloscope one could measure the pulse width and
> establish a ratio between pulse and no pulse (on/off time * 100) = duty
> cycle. I still am leaning towards installing a pair of NGK AFX A/F
> monitors.  Btw, Jim Conforti says he likes them a lot and he's about the
> most savvy guy I know.

  As far as duty cycle, even a dwell meter can read it.

  Most decent DMM's are capable of a dutycycle measurement.

  Jim