Low-range pocket salinity tester, 1 to 3 points calibration, setup menu contains 5 options, suitable for measuring natural water and low salinity liquids, range 0 to 10 ppt.

High-range pocket salinity tester, 1 to 3 points calibration, setup menu contains 5 options, suitable for measuring seawater and high salinity liquids, range 0 to 80 ppt.

Professional portable salinity meter with conductivity measurement mode, setup menu contains 11 options, accuracy 1% F.S.

Professional portable salinity meter with conductivity, TDS and resistivity measurement modes, setup menu contains 12 options, accuracy 1% F.S.

Professional benchtop salinity meter with conductivity, TDS and resistivity measurement modes, setup menu contains 16 options, accuracy 1% F.S.