DREF01 Reference electrode Back Catalog number: 18901182 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 24,58 € 20,31 € - + Recommended 18901159 DCON201TG Glass ATC conductivity probe 52,81 € 18901206 146.6μS/cm 250mL Conductivity Solution, one bottle 20,31 € 18901147 DORP301 Plastic ORP probe 66,63 €