Double Junction pH Probe for MW100 — 1m Cable, Gel-Filled Electrolyte (Replaces MA911B/1)

Double-junction pH electrode engineered for compatibility with all "MW" series instruments and older-style "SM" pH units. The probe is supplied with a 1 meter cable and uses a gel-filled electrolyte solution for stable measurements. Note: this probe is a direct replacement for the discontinued MA911B/1.