Pen-Type ORP Meter with Backlit Display Portable Oxidation Reduction Potential Industry and Experiment Analyzer Redox Meter Measure Household Drinking Water Quality Analysis Device

Features: Use to measure the amount of Oxidation Reduction Potential (ORP) level. The tendency of the solution to either gain or lose electrons. Clear LCD with backlight. Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems. Mini small size, easy to carry with. Compact and portable pen-type design. Easy to use and provides instant display of results. Discounted at only: US$ 24.78