pH elektroda HI73127 pro pHep testery Back Catalog number: HI73127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended 18901193 PH6.86 250mL 6.86pH, one bottle 320,00 Kč 18901211 12.88mS/cm 250mL Conductivity Solution, one bottle 500,00 Kč MA841 Spare membrane for MW600 (5 pcs). Price on request