Portable Conductivity / Salinity / TDS Meters

90-FL Series

Waterproof Field Loggers for various combinations of Dissolved Oxygen, Conductivity, TDS, pH, mV, Turbidity, Temperature

AQUA-CP/A

Portable pH-mV Meters

AQUA-DP

Waterproof, Handheld Dissolved Oxygen, pH, Temperature

WP-81

Waterproof, Handheld Conductivity, TDS, pH, mV, Temperature

WP-91

Waterproof, Handheld Dissolved Oxygen, pH, Temperature (Uses YSI sensor)