Combined glass pH electrode MA991B/1 Back Catalog number: MA991B/1 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended 18901216 1413μS/cm 500mL Conductivity Solution, one bottle 38,19 € 18901204 PH1.68 500mL 1.68pH, one bottle 34,94 € 18901184 DREF03 Reference electrode 41,44 €