HORIBA LAQUAtwin pH-11 Pocket pH Meter Small Sample Amount min. 0.1mL for Soil, hydroponic, lab, Water, Aquarium, Food, Wine, Beer, Chemical

Horiba 3999960125 Model EC-11 Compact Conductivity Meter, 1.5" Height, 4" Width, 7.25" Length

Horiba Potassium LAQUAtwin K-11 Pocket Tester, ; Range 39 to 3900 ppm

HORIBA LAQUAtwin 3200456570 Model B-751 Compact Calcium Ion Meter

Automatic Temperature Compensation 0-32% Brix Refractometer Beer Wine CNC Fruit by Ade Advanced Optics

HORIBA LAQUAtwin 3200456569 Model B-743 Compact Nitrate Ion Meter, Measurement Range 62-6200 ppm

HORIBA LAQUAtwin 3200459834 Model S010 Replacement pH Electrode, 2-12 pH Measuring Range

HORIBA 3200689159 Horiba NA-11 LAQUAtwin Na-11 Pocket Tester, Range 23 to 2300 ppm

HORIBA LAQUAtwin 3200689162 Model NO3-11 Compact Nitrate Ion Meter, Measurement Range 62-6200 ppm

HORIBA LAQUAtwin 3200456571 Model B-771 Compact Conductivity Meter

HORIBA LAQUAtwin 3200456564 Model B-721 Compact Salt Meter