CSKC50M Reagecon 50,000 µS/cm Conductivity Standard, 500ml Back Catalog number: 6210129 Availability: In the manufacturer's stock Price on request - + Recommended 18901207 1408μS/cm 250mL Conductivity Solution, one bottle 20,31 € 18901192 PH4.00 250mL 4.00pH, one bottle 13,00 € MA918B/1 Comb glass pH electrode 3 dia, DJ,refill, BNC, 1m Price on request