pH tester pHep® 4 Back Catalog number: HI98127 Manufacturer: Hanna Instruments Czech Availability: Currently unavailable Price on request - + Recommended MI5560 pH55 (pH/Temp waterproof tester Mi5560 Price on request CD611 Conductivity tester with ATC, 0 - 20000 µS/cm Price on request HI98191 ISEmetr / pHmetr do terénu Hanna Instruments Price on request