CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Back Catalog number: 6210129 Availability: In the manufacturer's stock Price on request - + Recommended MA917B/1 Comb glass pH electrode, DJ, refill, BNC, 1m Price on request 52005382 pH Sensor InPro4260i/SG/225 Price on request HI1230B Kombinovaná pH elektroda s pl.tělem a gel. elektr. Price on request