pH electrode InLab Expert Pro Back Catalog number: 51343101 Availability: In the manufacturer's stock Price on request - + Recommended MA9305 Pack of 100 x 1.4V batteries. Price on request 1575-500ML CHEMSOLUTE ready-to-use conductivity sol. 1413 µS/cm, 500ml (THG) Price on request MA991B/1 Combined glass pH electrode MA991B/1 Price on request