pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MW804 pH/EC/TDS/Temp tester MW804 Price on request MI5559 pH55 (pH/Temp waterproof tester Mi5559 Price on request CTS-21212 TIS Capillary Electrode, API 2000, QTRAP Price on request