pH electrode InLab Expert Pro Back Catalog number: 51343101 Availability: In the manufacturer's stock Price on request - + Recommended MA811/2 Conductivity/TDS probe with 2meter cable (MC410). Price on request MA840 Polarographic DO probe with 3m cable Price on request 1575-1L CHEMSOLUTE ready-to-use conductivity sol. 1413 µS/cm, 1L (THG) Price on request