pH elektroda HI73127 pro pHep testery Back Catalog number: HI73127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MA905B/3 Combination pH electrode MA905B/3 Price on request MI59P EC/TDS/Temp probe for EC59 and EC60 Price on request MI57P ORP/Temp probe for ORP57 Price on request