Thanks for the reply Mike, Yes that is the generator I got. I have printed out this message so I can have a hard copy of the links and info. I don't understand 90% of it but I will endeavor to learn all I can from it. The charts and things on your website help me to understand a lot better.
> -----Original Message----- > From: Mike Monett [mailto:[email protected]] > Sent: Sunday, May 04, 2003 12:43 AM > To: [email protected] > Subject: Re: CS>MultiMeter Question > > Hi Jeff, > > Sorry for the long delay - my car died and I'm having trouble > finding a new ignition module, so I had to redesign the one that > failed. > > > Date: Thu, 1 May 2003 14:55:36 -0500 > > From: "Jeff" <[email protected]> > > To: <[email protected]> > > Subject: RE: CS>MultiMeter Question > > > Thanks Mike, > > > I am using alligator clips to connect everything. But I am not > > using batteries anymore either. I finally got a generator (from > > circuits Maximus) and was attempting to put the MM inline to > > monitor the ma cause I read where Ole Bob said to run it till it > > hit 3ma I think. > > Is this the one you mean? > > http://www.bioelectrifier.com/csg.htm > > I'm impressed with your choice! > > Yes, you will find a power supply is much better than batteries. A > good source to supply 24VAC is an ordinary doorbell transformer, > available from Home Depot and other hardware stores. This will give > you about sqrt(24) = 33.6VDC to work with. But you have to deduct > the voltage drop in the bridge rectifier, so the output will be > around 32V. > > The schematic shows two 470uF caps after the bridge rectifier. You > only need about 10uF per mA, so a single 22uF 50V cap would be fine. > It can be larger, but the values shown in the schematic are a bit of > overkill. > > The 7805 is not the best choice for current regulation. It is > designed to supply a regulated output voltage of 5V, and requires an > additional 2V to operate. This would reduce the supply voltage to > > 32 - 7 = 25V > > before it gets to the anode and cathode. This would work, but it > would take a while to get into current limiting. > > A more important problem is the circuit is designed to limit at > 20mA, which is way too much current for your needs. As Bob > mentioned, you need a much smaller current. > > Using the LM117 as a constant current regulator is often discussed > here. Unfortunately, this chip has a minimum specified output > current of 3.5 to 5mA, which again is higher than you may want. > > Some LM117's may work at lower current, but the performance is not > guaranteed, and it may vary with changing load current. The result > is the concentration of silver may change unpredictably. > > For more information on how to calculate the current you actually > need, and a way to overcome the above problems, see my web page at > > http://www3.sympatico.ca/add.automation/misc/130vdc.htm > > (As long as you are starting with 24VAC, you might as well do a > proper job:) > > > I was thinking about that resistor, I have no knowledge of > > electronics at all mind you, but I was thinking to cut the wire > > with the alligator clips in half then solder the resistor in to it > > and cover it with one of those shrink tube things. Would that > > work, and does it matter which direction the resistor is pointed > > in when I attach it? > > That would work great! The shrink tubing would help support the > resistor leads, which are quite fragile. > > No, it doesn't matter which way the resistor is pointed. (It does > matter with diodes and electrolytic capacitors.) > > > I want to get a set system on how I am going to make the CS every > > time, monitor it with the MM, and send a sample to Ole Bob to have > > it checked. I am wanting a between 10 and 20 ppm final product. > > > And I appreciate all the help I have been getting on this from > > this list. Cause like I said, I have no knowledge of electronics. > > Some things just don't click in my brain for some reason. > > Sure, it's confusing when you first approach it. But from your > questions, you certainly have the intelligence to pick it up very > quickly. I think you will do fine. > > Best Regards, > > Mike Monett > > > -- > The silver-list is a moderated forum for discussion of colloidal silver. > > Instructions for unsubscribing may be found at: http://silverlist.org > > To post, address your message to: [email protected] > > Silver-list archive: http://escribe.com/health/thesilverlist/index.html > > List maintainer: Mike Devour <[email protected]>
