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 HI1143B pH elektroda na fluoridové lázně,Hanna Instruments Price on request MA920B/1 Combined pH electrode MA920B/1 Price on request MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request