SKU: AI511. 201T-F 3-in-1 Combination pH Electrode. (-2 to 19.99) pH. 0.1/0.01 pH. ±0.01 pH ±1 digit. Compensation Range. 0 to 80°C (32 to 176°F). Our water testing kits are the best available products in this price range which was verified in several product tests.
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