Portable Water Hardness Meter 25-PHM100 -Water Hardness Digital Meter Lab Expo Portable Water Hardness Meter features LCD and 2–5 point calibration for low to high ranges. Measures calcium and magnesium salts in mg/L and mmol for hardness checks. Calibration reminder and system menu with seven settings, including stability and auto power-off. #LabEquipment #WaterTesting #LabExpo



