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Hanna Instruments™ Analog pH/mV/°C Meter with Electrodes Size: 145 x 80 x 36mm products | Fisher Scientific
HI9565 Hanna Instruments | Hanna Instruments CHECKER1 pH Meter, ±0.2pH Accuracy, 0.01pH Resolution, 14pH Max | 214-855 | RS Components
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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: Lab Electrodes: Amazon.com: Industrial & Scientific
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