






💧 Master your water quality like a pro—because your ecosystem deserves precision.
The UIUZMAR Water pH TDS Meter Pen is a professional-grade 4-in-1 digital tester designed for precise measurement of pH, EC, TDS, and temperature in various water sources. Featuring a wide EC measurement range, automatic temperature compensation, and a backlit display, it caters to hydroponic growers, aquarium keepers, and water quality managers. Pre-calibrated and ready to use with included calibration powders, this compact, battery-powered device delivers reliable, easy-to-read results for optimal water condition management.





| Manufacturer | Jinan Runjie Electronic Technology co., Ltd. |
| Part number | UMR-PH08 |
| Item Weight | 220 g |
| Product Dimensions | 22 x 9 x 5 cm; 220 g |
| Batteries | 4 LR44 batteries required. (included) |
| Item model number | UMR-PH08 |
| Style | 4 in 1-pH,TDS,EC |
| Item Package Quantity | 1 |
| Measurement Accuracy | pH: +/-0.1pH |
| Included components | ph meter |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
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