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 5190-3988 P3211 pH comb electrode w/fill solution 5 171,04 Kč MA840 Polarographic DO probe with 3m cable Price on request