DREF03 Reference electrode Back Catalog number: 18901184 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 50,14 € 41,44 € - + Recommended 18901213 1408μS/cm 500mL Conductivity Solution, one bottle 38,19 € MI57P ORP/Temp probe for ORP57 Price on request MA830R Stainless steel temperature probe for MW102. Price on request