pH elektroda HI73127 pro pHep testery Back Catalog number: HI73127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MA811/2 Conductivity/TDS probe with 2meter cable (MC410). Price on request MA840 Polarographic DO probe with 3m cable Price on request MA920B/1 Combined pH electrode MA920B/1 Price on request