DREF02 Reference electrode Back Catalog number: 18901183 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 50,14 € 41,44 € - + Recommended 18901199 PH4.00 500mL 4.00pH, one bottle 20,31 € MI59P EC/TDS/Temp probe for EC59 and EC60 Price on request MI58P pH/ORP/Temp probe for pH58 Price on request