pH55 (pH/Temp waterproof tester Mi5560 Back Catalog number: MI5560 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended CD97 TDS tester with ATC, range: 1 - 999 ppm Price on request HI9126 Přenosný pH/ORP metr Hanna Instruments Price on request HI2002-02 EDGE pH/ORP metr Price on request