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 MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request 18901216 1413μS/cm 500mL Conductivity Solution, one bottle 37,41 € 18901208 12.85mS/cm 250mL Conductivity Solution, one bottle 19,90 €