pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MI150-E pH/Temp combined bench meter Mi150-E Price on request MI5559 pH55 (pH/Temp waterproof tester Mi5559 Price on request MI106 Combined portable meter pH/ORP/Temp Mi106 Price on request