pH elektroda HI73127 pro pHep testery Back Catalog number: HI73127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MA921B/2 Double junction ORP platinum electrode MA921B/2 Price on request 52002987 pH Sensor InPro4260/120/PT1000 Price on request MA923B/3 Redox Epoxy electrode MA923B/3 Price on request