pH tester pHep® 4 Back Catalog number: HI98127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended CD601 Conductivity tester with atc, 0 - 1990 µs/cm Price on request 4090010109 DPCD10 Portable pH/Cond/DO Meter (Polarographic Ty 28 680,00 Kč MW801 Smart pH/EC/TDS combined meter MW801 Price on request