CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Back Catalog number: 6210129 Availability: In the manufacturer's stock Price on request - + Recommended MC730 MC730 Controller kit Price on request 18901146 D201T-H Plastic pH probe 51,74 € 18901159 DCON201TG Glass ATC conductivity probe 51,74 €