pH tester pHep® 4 Back Catalog number: HI98127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended 4090010209 DPCD100 Benchtop pH/Cond/DO Meter (Polarographic 29 590,00 Kč CD610 TDS tester with ATC, range: 0 - 10000 ppm Price on request MI5559 pH55 (pH/Temp waterproof tester Mi5559 Price on request