Electrochemical Instruments-Water planting-Mercury oxide mercury electrode-Nutrient Wand EC Meter-Nutra Dip Tri Meter-Nutra-Wand-pH метры для косметики
Product Name: Copper Disk Electrode (99.99% Pure Copper) Product size: Inner core: 0.5-3mm Pole: φ 6 * 80mm Inner core: 4-6 mm Pole: φ 8 * 80mm (customizable size) Product features: Each electrode is finely polished and has a smooth surface