High-performance bluetooth ORP meter is suitable for Android smartphone or tablet, 1 point calibration, setup menu contains 10 options, accuracy: 0.2 mV.
Economical pocket ORP tester with relative and absolute mV measurement modes, suitable for measuring the oxidation reduction potential of aqueous solutions, accuracy: 2 mV.
Multi-purpose pocket ORP tester with a BNC connector for easy connection to a variety of ORP electrodes, the tester is widely used in environmental and industrial fields, accuracy: 2 mV.