pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MI805 Portable meter pH/EC/TDS/Temp Mi805 Price on request MC122 pH controller MC122 Price on request TH310 Stick thermometer TH310 Price on request