pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MI5559 pH55 (pH/Temp waterproof tester Mi5559 Price on request MC110 pH monitor MC110 Price on request MW401 TDS meter MW401 Price on request