Hanna Instruments HI 73127 PH Electrode for HI 98127/128/129 Tester
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.
Extend the life of your Hanna pH tester with a spare pH sensor.
Keep your pH measurements simple & accurate.
Delivery over $149
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