Amazon.com: Milwaukee BEM802 Combination pH/EC/TDS Meter with 110V Power and Mounting Kit, 0.00 to 14.00 pH, +/-0.20 pH Accuracy : Industrial & Scientific
MW802 PRO | Portable Meter
Milwaukee MW802 PRO 3-in-1 pH, EC, TDS Combo Meter with ATC
Milwaukee MW802 - это отличный рН/ЕС/TDS метр для различных применений
MC811US MAX pH/EC/Temp Monitor - Milwaukee - SaltwaterAquarium.com