In fairness to all, we don't discuss pricing on the Wall. Thanks for your cooperation.
I'm looking at trying to measure TDS on two boilers, one water, one steam. It looks like what's commonly sold as a TDS meter is really just measuring conductivity and calibrating that somehow to show TDS. Would one of those meters give me a reasonable number out of the box, would I need to calibrate the adjustment factor myself, or ???
Any suggestions for a good TDS meter? www.tequipment.net has a selection, starting at about $45. There's a cheap(?) combo unit that measures TDS, salinity, & pH at the same time. Good idea?