









💧 Unlock the power of pure water with precision and ease!
The ORP Redox Meter Tester offers a broad measurement range of -1999 to 1999 mV with 1 mV resolution, featuring simple 1-point calibration for accurate oxidation-reduction potential readings. Lightweight and portable, it’s perfect for professional and home use across aquariums, pools, spas, water treatment, and industrial water quality monitoring.





| Manufacturer | Gain Express Holdings Ltd |
| Part number | ORP-228 |
| Item Weight | 132 g |
| Product Dimensions | 15.49 x 3.1 x 1.57 cm; 131.54 g |
| Batteries | 4 LR44 batteries required. |
| Item model number | ORP-228 |
| Item thickness | 31 Millimetres |
| Power source type | Battery Powered |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Special Features | Measuring oxidation-reduction potential (ORP) of water |
| Batteries included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
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