Mettler-Toledo Seven-Multi Conductivity/TDS/Salinity Meter

Conductivity range: 0.001 μS/cm to 1000 mS/cm, autoscaling
Accuracy: +/- 0.5%
Temperature range: -30 to 130 deg. C (+/- 0.1 deg C)
TDS range: 0.01 mg/L to 1000 g/L
Resistivity: 0.00 to 20.00 MΩcm
Salinity range: 0.00 to 80.00 ppt