pH elektroda HI73127 pro pHep testery Back Catalog number: HI73127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MA921B/1 Double junction orp platinum electrode MA921B/1 Price on request HI54710 Sada pufrů pH 4,01; pH 7,01; pH 10,01 Price on request MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request