pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Back Catalog number: PH58 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MI805 Portable meter pH/EC/TDS/Temp Mi805 Price on request CTS-21212 TIS Capillary Electrode, API 2000, QTRAP Price on request MI605 Oxygen portable meter Mi605 Price on request