DREF01 Reference electrode Back Catalog number: 18901182 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 24,08 € 19,90 € - + Recommended MA841 Spare membrane for MW600 (5 pcs). Price on request MA811/2 Conductivity/TDS probe with 2meter cable (MC410). Price on request 18901210 1413μS/cm 250mL Conductivity Solution, one bottle 19,90 €