pH55 (pH/Temp waterproof tester Mi5560 Back Catalog number: MI5560 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended HI2002-02 EDGE pH/ORP metr Price on request MW802 Smart pH/EC/TDS combined meter MW802 Price on request CD97 TDS tester with ATC, range: 1 - 999 ppm Price on request