HM Digital PH-200 Waterproof pH Meter, 0-14 pH Range, 0.01 pH Resolution, 0.02% Readout Accuracy

الوصف

water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more