pH elektroda HI73127 pro pHep testery Back Catalog number: HI73127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MA916B/1 Combined glass pH electrode, refill, BNC, 1m Price on request MC730 MC730 Controller kit Price on request SE520 Conductivity/TDS probe with 1meter cable SE520 Price on request