DREF01 Reference electrode Back Catalog number: 18901182 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 24,08 € 19,90 € - + Recommended 5190-3990 P3311 pH triode electrd w/refl solution 534,59 € MA840 Polarographic DO probe with 3m cable Price on request 18901145 DBX-01 Carrying case 25,87 €