5 inches (diameter)

professional-grade system for automated pH monitoring and adjustment in aquariums

rugged device that calibrates easily

The double junction design provides an additional barrier between the reference electrolyte and your sample

Milwaukee MW101 PRO pH Meter + Hard Case Bundle | ±0.02 pH Accuracy 810666003426 5 inches (diameter)Milwaukee MW101 PRO pH Meter + Hard Carrying Case Bundle Get lab grade pH accuracy in a rugged, portable package. This exclusive bundle pairs the world renowned Milwaukee MW101 PRO pH Meter with the MI0028 hard plastic carrying case everything you need for professional pH testing in the field, lab, or production floor. Why the MW101 PRO? The MW101 is trusted by brewers, winemakers, hydroponic growers, pool professionals, educators, and food scientists