Restore the pH sensing element in compatible Hanna testers with an easy-fit replacement electrode cartridge.
Features and package
- Cartridge-style replacement pH sensor
- Two O-rings help maintain a watertight seal
- Designed without delicate alignment pins
- Installed using the HI73128 electrode-removal tool supplied with compatible testers
Selection and use
Confirm that your tester specifies HI73127 before ordering; Hanna electrodes are not interchangeable across all models. Follow the instrument manual for removal and installation, then calibrate the tester before measurement. This listing is for the replacement sensor, not a complete tester.
Hanna HI73127 Replacement pH Sensor
Hanna HI73127 Replacement pH Sensor
Special Order Item — This product is sourced on demand. Additional lead time may apply. Contact us to confirm availability before ordering.
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