pH tester pHep® 4 Back Catalog number: HI98127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MI170 Comb. Log. GLP EC/TDS/NaCl/Temp bench meter Mi170 Price on request 4090010209 DPCD100 Benchtop pH/Cond/DO Meter (Polarographic 1 202,11 € 18901142 DORP1-S ORP sensor 54,03 €