[Amps] Is This 4CX1600B Still Good?

[gdaught6@stanford.edu]

On 24 Nov 2005 at 9:14, k7fm wrote:

> The actual resistance is not material.  Filaments are basically,
> either open or shut.  If you measure resistance, they are not open. 
> Many of the inexpensive meters have at least a few tenths of ohms of
> resistance in the leads and often the connection will add resistance. 
> So, whether it measures 1 ohm or 3 ohms, it means the filament is good
> and you can move on to the next step in the investigation.

That's close.  It could have continuity and still be bad (but not 
likely);  and remember that the resistance goes up a lot when the 
filament gets hot.  

73,

George T. Daughters, K6GT