pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MW600 Dissolved oxygen meter MW600 Price on request MW101-SOIL MW101-E Portable pH meter MW101-SOIL Price on request MI60P Combination probe for pH/EC/TDS/Temp for MW803/MW8 Price on request