DREF02 Reference electrode Back Catalog number: 18901183 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 50,14 € 41,44 € - + Recommended 18901172 D201A-C Combination pH probe 18,28 € 18901181 DPCL01 ISE measuring probe-Chlorine 71,09 € MC510 ORP controller MC510 Price on request