CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Back Catalog number: 6210129 Availability: In the manufacturer's stock Price on request - + Recommended 18901214 12.85mS/cm 500mL Conductivity Solution, one bottle 37,41 € MA919B/1 Glass pH electrode, refillable, BNC, 1m Price on request 18901162 DDOS-02 DO probe refilling solution 17,91 €