






💧 Master your water quality like a pro—because precision is the new power.
The UIUZMAR 4-in-1 Water pH TDS Meter Pen is a professional-grade digital tester designed for precise measurement of pH, electrical conductivity (EC), total dissolved solids (TDS), and temperature. With ±0.1 pH accuracy, a wide EC range up to 19.99mS/cm, and automatic temperature compensation, it’s ideal for hydroponics, aquariums, ponds, and various water quality applications. Ready to use out of the box with included calibration powders and batteries, it offers a versatile, user-friendly solution for maintaining optimal water conditions.





| 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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