DREF03 Reference electrode Back Catalog number: 18901184 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 50,16 € 41,45 € - + Recommended 18901207 1408μS/cm 250mL Conductivity Solution, one bottle 20,32 € 18901183 DREF02 Reference electrode 41,45 € HI1143B pH elektroda na fluoridové lázně,Hanna Instruments Price on request