Waterproof EC Meter

specifications:

Accuracy: ±2%

Measurement ranges:
–  Conductivity: 0.00 to 199 µS/cm, 200 to 1,999 µS/cm or 2.00 to 19.99 mS/cm
–  TDS: 0 to 99.9 mg/L, 100 to 999 mg/L or 1.00 to 9.99 g/L
–  Salinity (fixed ratio of 0.5): 0 to 99.9 ppm, 100 to 999 ppm or 1.00 to 9.99 ppt
–  Temperature: 32 to 194ºF (0.0 to 90.0ºC)