Hanna HI73127 Spare pH Electrode for Combo Testers DO2 covering an unusually broad library

covering an unusually broad library of toxic gases — from common ones like CO

microprocessed colorimeter designed for both field and laboratory environments

Suitable for both fieldwork and laboratory settings

1/2" x 5/8" discharge tubing

Hanna HI73127 Spare pH Electrode for Combo Testers DO2 covering an unusually broad libraryThe Hanna HI73127 is a replacement pH electrode cartridge that extends the life of your Hanna combo tester no need to replace the whole meter when the pH sensor is exhausted. Key features Easy fit cartridge locks into place with two O rings for a watertight seal no pins to line up or break Extendable cloth junction improves response time and prolongs electrode life Single junction Ag AgCl reference, gel electrolyte, 014 pH range, polypropylene body