pH tester pHep® 4 Back Catalog number: HI98127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended 4090010207 DPD100 Benchtop pH/DO Meter (Polarographic Type) 24 180,00 Kč PH58 pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Price on request CD601 Conductivity tester with atc, 0 - 1990 µs/cm Price on request