one does not need anything to regulate a "dc wall unit for making eis. i made mine, using three 9 V wall units, wired in series, that puts out about 28 volts dc, with not load on the unit. i followed that instructions going around on how to figure how much current flow i needed to make 15 to 20 ppm eis. in my unit, i let the current flow untill i read 1.35 ma's on my harbor freight $3.00 volt  meter. if i let it go to about 1.6 ma, a slight twindge of yellow will show up.
 
you could do the same with one 9 volt wall dc unit.  only the elapse time will change.
 
and silver that is assayed at 0.999 ( 3 nines ) is as good as 0.9999 ( 4 nines ).  if you are aware of the difference, i can esplain it to you.     take care,      jim


Nov 16, 2009 04:03:46 PM, [email protected] wrote:
OK -- this reminds me of a question I've had on my mind for some time.  Why does one need regulating diodes and volt meters in order to use a Wall DC unit for making EIS?  I don't understand why you just can't plug one in and monitor the time.  Diodes and volt meters aren't required when using a series of 9V batteries -- what makes a DC unit different?  MA   


From: "Medwith, Robert J Mr CIV USA AMC" [email protected]

You can make a Controlled Current Generator with and Wall  DC power supply
using
a Current Regulating Central Diode they come in various currents 610-1N5297
from Mouser Electronics is for 1 Mill amp
You put this in line with power supply with a volt meter you can measure
voltage (higher as Silver is further apart and lower as you move silver
closer together). It adjust voltage to maintain  mill amp rating..

 














[email protected]
-----Original Message-----
From: Deborah Gerard [mailto:[email protected]]
Sent: Friday, November 13, 2009 9:23 PM
To: [email protected]
Subject: Re: CS> CS generator--9 volt battery ????? (UNCLASSIFIED)

Can a person buy these parts from like Radio Shack?


________________________________

From: "Medwith, Robert J Mr CIV USA AMC" <[email protected]>
To: [email protected]
Cc: [email protected]
Sent: Fri, November 13, 2009 7:12:25 AM
Subject: RE: CS> CS generator--9 volt battery ????? (UNCLASSIFIED)

Classification: UNCLASSIFIED
Caveats: NONE

It was 29.99 at http://www.atlasnova.com/CSGenerator.htm
Breaks into 3 parts battery, 2 silver wires and battery clip with a small
circuit board.
You also have a laser pointer to see the CS.
I made some using this you just have to keep swishing the wires as it tryes
to bridge the close wires.
You could just get a battery where ever you go.
On site you can see picture.
Bob

-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Friday, November 13, 2009 8:11 AM
To: [email protected]
Subject: Re: CS> CS generator--9 volt battery ?????

In a message dated 11/13/2009 7:03:06 A.M. Eastern Standard Time,
[email protected] writes:

    I bought that new CS generator that works on a single 9 volt battery,
love
    it for traveling.
   

Bob, I must have missed this one How do you make it ===or where can you buy
it---??? Lois


http://www.atlasnova.com/CSGenerator1.htm
http://www.atlasnova.com/CSGenerator.htm
http://www.atlasnova.com/CSGenerator.htm>
Classification: UNCLASSIFIED
Caveats: NONE




Classification: UNCLASSIFIED
Caveats: NONE


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