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 534,91 € 18901211 12.88mS/cm 250mL Conductivity Solution, one bottle 19,90 € MA811/2 Conductivity/TDS probe with 2meter cable (MC410). Price on request