D201-C Combination pH probe Back Catalog number: 18901170 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 18,78 € 15,52 € - + Recommended 18901208 12.85mS/cm 250mL Conductivity Solution, one bottle 19,90 € 18901184 DREF03 Reference electrode 40,60 € 18901216 1413μS/cm 500mL Conductivity Solution, one bottle 37,41 €