DREF02 Reference electrode Back Catalog number: 18901183 Manufacturer: DLAB Availability: In the manufacturer's stock Price (VAT incl.) 49,13 € 40,60 € - + Recommended 18901207 1408μS/cm 250mL Conductivity Solution, one bottle 19,90 € 52002987 pH Sensor InPro4260/120/PT1000 Price on request 52005384 pH Sensor InPro4800i/SG/225 Price on request