>Sharon- > >> >>What does uS mean, please. So there is a Hanna meter than can in some way >>(indirectly?) measure ppm? Or is this just another silvermaker's dream. >>What does the meter cost? > >One of the big brains can answer this >better than me but here goes. . . > >The Hanna TDS meter that many people use >measures ppm by sensing the conductivity >in the solution. The range on this meter is >0 - 999 ppm. with quite a margin of error (10%?)
The general consensus here on the list is that the TDS meter does not measure ppm. Do you feel differently about that? >Hanna also makes a PWT (Pure Water Tester) that >also works on conductivity but it reads out >in micro seimans (uS). which are basically >x2 PPM when measuring water. so when I measure >12 uS on the PWT, I know its 6 ppm. >(This according to the Hanna technician.) Any comments from the list about this PWT? Anyone use one besides Steve? >the reason I like the PWT is that its range is >only 0 - 99 and it has a decimal point. so its >a lot more accurate and gives you fractions >of uS. the cost is not that much more than >the TDS. I think I paid around 40 pounds >for my PWT from Hanna, here in the UK Steve, you also said in another post: >BTW, for anyone looking for a great home >distiller. I love my stainless steal Mini Classic >from the Pure Water Co, of Lincoln , NE. >It makes about a gallon in 3.5 hours and is >very easy to use. Do you happen to have a street address or phone number or e-mail address for these people? Thanks for the info, Steve! Sharon First Law of Laboratory Work: Hot glass looks exactly the same as cold glass -- The silver-list is a moderated forum for discussion of colloidal silver. To join or quit silver-list or silver-digest send an e-mail message to: [email protected] -or- [email protected] with the word subscribe or unsubscribe in the SUBJECT line. To post, address your message to: [email protected] List maintainer: Mike Devour <[email protected]>
