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💧 Stay ahead of the curve with precision water testing in your pocket!
The Apera Instruments AI213 TDS20 Pocket Tester Kit delivers professional-grade total dissolved solids measurement with ±1% accuracy, a robust IP67 waterproof design, and smart 2-point auto calibration. Featuring a large dual-display LCD, auto temperature compensation (0-50°C), and a complete portable kit including calibration solutions and batteries, it offers up to 1000 hours of reliable operation. Ideal for water quality monitoring across agriculture, aquaculture, pools, and environmental applications, this CE and RoHS certified device ensures precision and convenience wherever you go.






























| ASIN | B01ENFOIN2 |
| Batteries | 4 AAA batteries required. (included) |
| Best Sellers Rank | #58,857 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #9 in Conductivity Meters & Accessories |
| Date First Available | April 22, 2016 |
| Item Weight | 3.9 ounces |
| Item model number | AI213 |
| Manufacturer | Apera Instruments |
| Product Dimensions | 7.72 x 3.39 x 1.3 inches |
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