DREF03 Reference electrode Back Catalog number: 18901184 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 50,16 € 41,45 € - + Recommended HI1043B Refillable Double Junction pH Electrode Price on request SE520 Conductivity/TDS probe with 1meter cable SE520 Price on request 18901164 DF01 Flexible electrode holder 44,71 €