Re: Impedance

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Mddeming-at-aol-dot-com>

In a message dated 1/18/02 6:45:12 PM Eastern Standard Time, tesla-at-pupman-dot-com
writes:


>
> Original poster: "Cory Roussel by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <imcuddlycory-at-yahoo-dot-com>
>
> Hello,
>
> Any good method's for measuring impedance???



Hi Corey,
For TC Air core coils, I use a L/C Meter II/B from Almost All Digital
Electronics. It's available as kit or prewired ~$100 US. For Iron-core Coils
(Chokes etc) I use Z=E/I for AC and XL=sqrt(Z^2-R^2) where R is found with an
Ohmmeter. 
Matt D.