I need a TDS meter that reads down to .1ppm(mg/l). Nothing fancy just cheap(as in low priced..lol), accurate, and the less bells and whistles the better. It is just for confirming the TDS on my millenium portable R.O. units. Thanks

Myron L company.

Can you give me more detailed info? Model number etc. Thanks

try MyronL.com You find there phone number and their product info.