[R-390] Sources for HP410C AC Probe

[JRFKE5RI at aol.com]

Sorry, but I believe that this information is incorrect.   Go to 
_http://bama.edebris.com/manuals/hp/410c/_ (http://bama.edebris.com/manuals/hp/410c/)  
and  download the PDF.  Look at page 52 of 63.   The probe  incorporates a 
vacuum tube diode.  Therefore any substitute you may  build must also 
contain a diode.  I would suggest a signal type.   Good luck with your project.
 
John / KE5RI
 
 
In a message dated 5/16/2009 9:41:22 P.M. Pacific Daylight Time,  
bmw2002tii at nerdshack.com writes:

Barry  wrote:

>Anyone know of a source for the AC probe for an HP410C  (besides eBay)?  My
>"new" one doesn't have a probe.

Make  one.  It's nothing but a tube, two capacitors, and a 22 M  
resistor.  We used to build them in metal 35mm film cans, but they're  
long gone, so you'll need something else.

Best  regards,

Don


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