HM Digital ZT-2 Basic TDS Tester

Description The HM ZT-2 is a low-cost meter for measuring Total Dissolved Solids (TDS) in water. It's well suited for the monitoring of residential reverse osmosis sysems and other water purification equipment. Resources HM Digital ZT-2 Manual Tech Specs Range: 0 - 999 ppm (mg/L) Resolution: 1 ppm (0-999 ppm) Accuracy: +/- 3% EC-to-TDS Conversion Factor: NaCl (avg. 0.5) Power source: 2 x 1.5V button cell batteries (included) (357A or equivalent) Battery life: Approx. 1000 hours of usage Dimensions: 14 x 2.3 x 1.5 cm (5.5 x 0.9 x 0.75 inches) Meter weight: 31.2g (1.1 oz) In the Box 1 x TDS Meter