Xylem - WTW No 800 Din 106675

Combined Nitrate selective electrode, with 3.3 ft (1 m) cable, DIN plug, 0.4 to 62,000 mg/L, requires ELY/BR/503/N reference electrolyte, ionic strength adapter TISAB/NO3, standard solution ES/NO3. Delivery contains electrolyte and exchange heads!