SNS-PHTK224 Optional pH Replacement Probe for Water Quality Tester PHTK-224, TDTK-240, PHTK-226

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Optional Replacement pH electrode for pen type combo meters PHTK-224, TDTK-240 and PHTK-226 (sold separately) Multi-parameter electrode for use in water testing applications Glass bulb membrane with a built-in temperature sensor Enhance accuracy by replacing the electrode regularly Easy to change, simply unplug the used electrode and plug in the new one Show more