Sada pufrů pH 4,01; pH 7,01; pH 10,01 Back Catalog number: HI54710 Manufacturer: Hanna Instruments Czech Availability: In the manufacturer's stock Price on request - + Recommended MA919B/1 Glass pH electrode, refillable, BNC, 1m Price on request 18901154 DBX-02 Carrying case 34,23 € 18901151 DODO01-3M Optical DO probe 711,24 €