Re: Inductance measurement

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

Original poster: "Gerry Reynolds by way of Terry Fritz <teslalist-at-qwest-dot-net>" <gerryreynolds-at-earthlink-dot-net>

Matt,

If your LC meter has the ability to measure the Inductance at different
frequencies,
you might beable to see if there is a frequency independent component to the
measurement.

If so you will need to factor out the resistance using vector math.

Gerry


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, July 01, 2003 5:33 PM
Subject: Inductance measurement


 > Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>"
<Mddeming-at-aol-dot-com>
 >
 > Hi All,
 >         Does anyone know how the resistance of a coil affects the measured
 > inductance using an LC meter (e.g. AADE LC IIB meter, Wavetek, etc.). I am
 > wondering if these meters really measure L, or do they measure delta Z and
 > infer L from it, with the built-in assumption that R<< XL ?
 >         If I have two identical solenoids, one wound with copper wire and
 > the other with, say, Nichrome wire, would they read the same inductance,
or
 > would the larger phase angle fool the meter?
 >
 > Matt D.
 >
 >