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 MA916B/3 Combined glass pH electrode, refill, BNC, 3m Price on request LCL-30-3 2M Lithium Chloride Electrolyte, 3 x 30ml Price on request 52002547 pH Sensor InPro3250/120/PT100 Price on request