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🧬 Elevate your water testing game with Swiss precision and rock-solid durability!
The Apera Instruments LabSen 211 pH Electrode features a proprietary Swiss sensor and a uniquely robust blue hemispherical glass membrane that delivers fast, stable pH readings in 15-30 seconds. Its impact-resistant design is 10 times stronger than traditional electrodes, while the long-life reference system enhances stability and extends service life. Compatible with Tris buffer solutions and standard BNC connectors, this electrode is engineered for professional lab and field water analysis with bubble-free accuracy.







| ASIN | B0769XQNF5 |
| Best Sellers Rank | #225,164 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #58 in Lab Electrochemistry Accessories |
| Date First Available | October 9, 2017 |
| Item Weight | 9 ounces |
| Item model number | AI3101 |
| Manufacturer | Apera Instruments |
| Product Dimensions | 6.3 x 0.11 x 0.11 inches |
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