pH tester pHep® 4 Back Catalog number: HI98127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended EC60 EC/TDS/Temp waterproof tester EC60 Price on request MW102 µp-based ATC pH/Temp meter MW102 Price on request MI805 Portable meter pH/EC/TDS/Temp Mi805 Price on request