CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Back Catalog number: 6210129 Availability: In the manufacturer's stock Price on request - + Recommended HI1230B Kombinovaná pH elektroda s pl.tělem a gel. elektr. Price on request MA915B/2 pH glass electrode for with 2meter cable. Price on request MA919B/1 Glass pH electrode, refillable, BNC, 1m Price on request