CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Back Catalog number: 6210129 Availability: In the manufacturer's stock Price on request - + Recommended 18901183 DREF02 Reference electrode 1 020,00 Kč 18901209 84μS/cm 250mL Conductivity Solution, one bottle 500,00 Kč MI57P ORP/Temp probe for ORP57 Price on request