DREF03 Reference electrode Back Catalog number: 18901184 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 50,14 € 41,44 € - + Recommended 18901183 DREF02 Reference electrode 41,44 € 5190-3990 P3311 pH triode electrd w/refl solution 508,82 € SE600 Combination probe SE600 Price on request