Total Dissolved Solids (TDS) Tester for Liquids

Sophisticated but user-friendly TDS (Total Dissolved Solids) tester for liquids. Ideal for quick routine testing of liquids, waste-water treatment, aquariums, pool and spa water, hydroponic set-ups, cooling towers, aquaculture and agriculture. Features include push button calibration, 0-1990ppm accuracy and a water proof case.