High-performance bluetooth water hardness meter is suitable for Android smartphone or tablet, 2 to 5 points calibration, setup menu contains 12 options, accuracy: 1% F.S.
Professional benchtop water hardness meter, 2 to 5 points calibration, selectable measurement units, the meter is suitable for laboratory applications, accuracy: 1% F.S.
Multiparameter water hardness meter, 2 to 5 points calibration, setup menu contains 15 options, the meter is suitable for measuring ion concentration and water hardness, accuracy: 1% F.S.