DREF02 Reference electrode Back Catalog number: 18901183 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 50,14 € 41,44 € - + Recommended 18901151 DODO01-3M Optical DO probe 725,98 € MI57P ORP/Temp probe for ORP57 Price on request 18901178 DCON2010T Cond probe, K=10, ATC 67,84 €