CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Back Catalog number: 6210129 Availability: In the manufacturer's stock Price on request - + Recommended MA915B/2 pH glass electrode for with 2meter cable. Price on request 18901146 D201T-H Plastic pH probe 1 300,00 Kč 1231 Electrode holder and rod assembly 1 695,94 Kč