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 18901187 DDJS-0.01V ultra-low conductivity probe 118,21 € 18901190 DDJS-0.01VTK ultra-low conductivity probe kit 182,29 € MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request