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 MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request HI62911D pH Electrode with Titanium Body for Plating Baths Price on request MA923D/1 pH/ORP/Temp amplified probe MA923D/1 Price on request