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/1 Combined glass pH electrode, refill, BNC, 1m Price on request MA919B/1 Glass pH electrode, refillable, BNC, 1m Price on request SE300 Double junction orp platinum electrode SE300 Price on request