pH electrode InLab Expert Pro Back Catalog number: 51343101 Availability: In the manufacturer's stock Price on request - + Recommended LCL-30-3 2M Lithium Chloride Electrolyte, 3 x 30ml Price on request MA9305 Pack of 100 x 1.4V batteries. Price on request MA916B/1 Combined glass pH electrode, refill, BNC, 1m Price on request