Here's a couple of comparison figures in three meters I dug up from my notes: HM Digital Com100EC/TDS/TEMP...KCluS13.5, HM Digital ComTDS3...006ppm, HannaTDS1...007ppm
HM Digital Com100EC/TDS/TEMP...KCluS12.3, HM Digital ComTDS3...006ppm, HannaTDS1...007ppm N. > Date: Wed, 21 Oct 2009 04:48:39 -0400 > To: [email protected] > From: [email protected] > Subject: Re: CS>Getting Started > > > > HM Digital makes a decent PPM meter [TDS3] ..but a PPM meter isn't what > you want...they are designed to meter "salt water" and silver water isn't > salt water. > Looks like this one is on the low end of their line. > A PPM meter is useful for CS ...but not very. > > Try an HM Digital EC3 > http://cgi.ebay.com/HM-Digital-EC-3-Temp-Water-Conductivity-Tester-Meter_W0QQitemZ220494392013QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item33567d6acd > > or COM-100 > > Ode > > > At 04:15 PM 10/20/2009 -0700, you wrote: > ><http://cgi.ebay.com/HM-Digital-TDS-EZ-Meter-Tester-Water-ppm-Purity-Filter_W0QQitemZ270411724544QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item3ef5cb7700>http://cgi.ebay.com/HM-Digital-TDS-EZ-Meter-Tester-Water-ppm-Purity-Filter_W0QQitemZ270411724544QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item3ef5cb7700 > > > > > >From: Jeff Maahs <[email protected]> > >To: [email protected] > >Sent: Tue, October 20, 2009 7:18:20 AM > >Subject: Re: CS>Getting Started > > > >It looks like EC meters are much less expensive than what I had seen > >previously. One of the sites given to me earlier had a meter but it was > >well over $100. > > > >I hate to be a pain but would a meter such as this one on ebay > >(http://tinyurl.com/yzzzvbn) be appropriate for these solutions? > > > >Jeff > > > > > > > > > > > > > >From: Ode Coyote <[email protected]> > >To: [email protected] > >Sent: Tue, October 20, 2009 6:56:17 AM > >Subject: Re: CS>Getting Started > > > > > > > > You can use a voltmeter to tell when to stop, but only on a given setup > >that's always the same as referenced by an EC meter. > >Current, electrode spacing and surface exposure have to be constants for > >voltage to tell you anything. > > In *making* CS, the voltage is nearly irrelevant, so it needn't be a > >constant. > > > > A PPM meter is an EC meter that dilutes the info it gets to suit "salt > >water". > > > >Ode > > > > > > > > > > > -- > The Silver List is a moderated forum for discussing Colloidal Silver. > > Instructions for unsubscribing are posted at: http://silverlist.org > > To post, address your message to: [email protected] > > Address Off-Topic messages to: [email protected] > > The Silver List and Off Topic List archives are currently down... > > List maintainer: Mike Devour <[email protected]> > > _________________________________________________________________ Use Messenger in your Hotmail inbox Find out how here http://windowslive.ninemsn.com.au/article.aspx?id=823454
