Conductivity Meters: measure Conductivity, TDS and Salinity.

EC Range: 0.00 to 29.99 μS/cm, 30.0 to 299.9 μS/cm, 300 to 2999 μS/cm, 3.00 to 29.99 mS/cm, 30.0 to 200.0 mS/cm, up to 500.0 mS/cm 

EC resolution: 0.01 μS/cm, 0.1 μS/cm, 1 μS/cm, 0.01 mS/cm, 0.1 mS/cm

EC accuracy: ±1% 

TDS range: 0.00 to 14.99 ppm (mg/L), 15.0 to 149.9 ppm (mg/L), 150 to 1499 ppm (mg/L), 1.50 to 14.99 g/L, 15.0 to 100.0 g/L, up to 400.0 g/L (absolute TDS)

TDS Resolution: 0.01 ppm, 0.1 ppm, 1 ppm, 0.01 g/L, 0.1 g/L

TDS accuracy: ±1%