pH tester pHep® 4 Back Catalog number: HI98127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended 4090010211 DPD100T Benchtop pH/DO Meter (Touch screen/Polarog 29 120,00 Kč 4090010100 DPH10 Portable pH Meter(Color screen) 1.DPH10Mete 13 290,00 Kč MI105 Portable meter Mi105 Price on request