CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Back Catalog number: 6210129 Availability: In the manufacturer's stock Price on request - + Recommended 18901209 84μS/cm 250mL Conductivity Solution, one bottle 20,32 € 18901167 DPR01 Blue-tooth printer 272,71 € 18901146 D201T-H Plastic pH probe 52,83 €