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Single-range pocket conductivity tester for measuring low conductivity liquids, range 1.0 to 199.9 μS/cm.

Single-range pocket conductivity tester for measuring general water samples, range 10 to 1999 μS/cm.

Single-range pocket conductivity tester for measuring high conductivity liquids, range 0.1 to 19.99 mS/cm.

Multi-range pocket conductivity tester, 1 to 3 points calibration, setup menu contains 5 options, accuracy 1% F.S.

Multi-range pocket conductivity tester with a TDS measurement mode, 1 to 3 points calibration, setup menu contains 6 options, accuracy 1% F.S.

Multi-range pocket conductivity tester with TDS and salinity measurement modes, 1 to 3 points calibration, setup menu contains 6 options, accuracy 1% F.S.