DREF01 Reference electrode Back Catalog number: 18901182 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 24,58 € 20,31 € - + Recommended 18901194 PH9.18 250mL 9.18pH, one bottle 13,00 € 18901207 1408μS/cm 250mL Conductivity Solution, one bottle 20,31 € 18901217 12.88mS/cm 500mL Conductivity Solution, one bottle 38,19 €