Double junction pH electrode MA911B/2 Back Catalog number: MA911B/2 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 52002547 pH Sensor InPro3250/120/PT100 Price on request MA913B/3 Combined Epoxy pH electrode MA913B/3 Price on request MA9305 Pack of 100 x 1.4V batteries. Price on request