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 HI1230B Kombinovaná pH elektroda s pl.tělem a gel. elektr. Price on request MC730 MC730 Controller kit Price on request MA831R Stainless steel temperature probe Price on request