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          APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy
          • APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy
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          APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

          $33.95 USD
          Shipping fees will be calculated at checkout.
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          • Free worldwide shipping

          • Free returns

          • Carbon neutral

          • Secure payments

          About this item

          • Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122F)
          • Backed by Apera quality pH sensor with low impedance, ensuring high response rate
          • Comes in a rugged carrying case with pH 4&7 buffers and a lanyard
          • Auto recognition of stable values improves consistency, so you don't have to guess when to manually hold measurement
          • Up to 2000 hours' continuous operation, powered by AAA batteries
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