







🧪 Calibrate like a pro, measure like a boss!
This comprehensive pH calibration kit includes three 50ml buffer solutions (pH 4.00, 7.00, 10.01) and two 10ml pH electrode storage bottles, delivering ±0.02 accuracy. Designed for easy, powder-free calibration and probe protection, it extends electrode life and supports all standard pH meters, ideal for hydroponics, aquariums, pools, and more.





| Manufacturer | Jinan Runjie Electronic Technology co., Ltd. | 
| Part number | UI-1 | 
| Item Weight | 259 g | 
| Package Dimensions | 8.99 x 8.89 x 7.49 cm; 259 g | 
| Item model number | UI-1 | 
| Style | pH 4.00 7.00 10.01 | 
| Item Package Quantity | 1 | 
| Specific uses | Calibrate the pH tester. Protect the pH meter electrode | 
| Included components | pH calibration solution, pH electrode protection solution | 
| Batteries included? | No | 
| Batteries Required? | No | 
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