Hanna HI73127 Spare pH Electrode for Combo Testers geotech Use with: all Hanna pH

Use with: all Hanna pH meters and electrodes (HI98199

SDM-3R (for GX-3R/GX-3R Pro)

The kit's 4 ft slotted sampler tube can be run on its own to recover a full 4 ft core (ejected with the included cleanout spoon)

A three-color LED and audible buzzer drive two-stage latched alarms at 50 and 100 ppm

Standalone calibration accessories for RKI gas detectors — dispensing valves and regulators for standard CGA-600 calibration gas cylinders

Hanna HI73127 Spare pH Electrode for Combo Testers geotech Use with: all Hanna pHThe 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