pH55 (pH/Temp waterproof tester Mi5559 Back Catalog number: MI5559 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MI151 pH/ORP/Temp combined bench meter Mi151 Price on request PH56 pH/Temp waterproof tester pH56 Price on request CD600 TDS tester with ATC, range: 0 - 1990 ppm Price on request