pH tester pHep® 4 Back Catalog number: HI98127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MI306 Automatic combined EC/TDS/NaCl/Temp meter Mi306 Price on request 4090010211 DPD100T Benchtop pH/DO Meter (Touch screen/Polarog 29 120,00 Kč PH600 pH tester with 1 point calibration, ±0.2 pH accura Price on request