pH tester pHep® 4 Back Catalog number: HI98127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended HI 98309 Konduktometr UPW, 0,000...1,999µS Price on request MW102 µp-based ATC pH/Temp meter MW102 Price on request MW801 Smart pH/EC/TDS combined meter MW801 Price on request