pH ORP meter

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Automatic calibration 2 in 1 pH tester and ORP meter

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Part No.: PHME-712
Range:  PH: -2.00 ~ 19.99 pH, ORP: -1999mV ~ 0 ~ 1999mV
Resolution:PH: 0.1/0.01 pH, ORP: 1mV

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Double-parameter pH/ORP meter

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Part No.: PHME-721
Automatic calibration, automatic temperature compensation, data storage, function set-up, self-diagnose information, automatic power-off and low voltage display