Replacement pH/Conductivity/TDS/Salinity Sensor for PCTS 50 Testr, Cole-Parmer Instrument Company, WD-35634-37

Replacement pH/conductivity/TDS/sanlinity sensor for Oakton Waterproof PCTSTestr 50 (91-2611-56)

Replace electrodes when they break, no longer hold calibration, cannot be rehydrated, or are not compatible with your sample. For your convenience, cables, power adapters, and other accessories are available for your Oakton meters and pocket testers.