Re: [TCML] Tesla coil EM Gauss readings

["Chris Swinson" <list@xxxxxxxxxxxxxxxxxxxxxxxxx>]

> Most Gauss meters use Hall effect sensors such as the Allegro A1321LUA-T 
> or DK part 620-1024-ND which they are out of.  But they don't work past 
> 30kHz so not not much help.
>
> If you have a scope, you would be best off just winding a field pickup 
> coil yourself and using the pure physics to calculate the field through 
> the coil that corresponds to the generated voltage (or current if 
> shorted).  A DVM would work too if its AC range had high enough bandwidth.
>
> Terry"
>
>    OK - I think the use of the pickup coil is the best way to go. 
> However, I'd sure be worried about bringing the DVM around a TC!  Because 
> the signals are pulsed decaying sinusoids there is a problem in 
> interpreting any readings of the meter.  If the signals are big enough a 
> diode rectifier with capacitor across the meter would simplify matters and 
> the actual readings could be checked by observing the peak voltages with a 
> scope.
>
> Ed


my meters dont work even some distance away from the coil. my DMM just goes 
mad and my moving coil meter just shows half way no matter what the settings 
are. I dare not run my scope at all!

Chris



_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla