pH elektroda HI73127 pro pHep testery Back Catalog number: HI73127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MA812/2 Conductivity/TDS probe with 2meter cable(MC 310). Price on request MI57P ORP/Temp probe for ORP57 Price on request MA917B/1 Comb glass pH electrode, DJ, refill, BNC, 1m Price on request