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The spare pH sensor is designed as an easy-fit cartridge that locks into place, featuring two o-rings to maintain a watertight seal. With no pins to line up or that can break, this sensor is ideal for quick replacements.
Replacing a pH sensor on one of Hanna's compatible testers is both quick and easy. The spare pH sensor is designed as an easy-fit cartridge that locks into place, featuring two o-rings to maintain a watertight seal. Replacement takes a few seconds and does not have any delicate pins that could break.
Use the HI73128 replacement electrode tool that is included with the pH tester to expertly replace the sensor.
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