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Hanna Instruments HI98127 pH -pHep4 Pocket Tester with Replaceable Electrode Water Quality Tester, Red, 4.5 x 4.5 x 3.0 cm : Amazon.de: Business, Industry & Science
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Hanna Instruments HI98103 Checker pH Tester with Ph Electrode and Batteries, 0.00 to 14.00 pH, +/-0.2 pH Accuracy, 0.1 pH Resolution -
HI-98129 | Hanna Instruments Batterie pH Messgerät, 0.01pH-Wert, 1μS/cm, 14pH-Wert max., 0μS/cm bis 3999μS/cm max., +60 °C max | RS
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