pH Sensor InPro3250/120/PT100 Back Catalog number: 52002547 Availability: In the manufacturer's stock Price on request - + Recommended MA920B/1 Combined pH electrode MA920B/1 Price on request MA841 Spare membrane for MW600 (5 pcs). Price on request LCL-30-3 2M Lithium Chloride Electrolyte, 3 x 30ml Price on request