pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended PH56 pH/Temp waterproof tester pH56 Price on request EC59 EC/TDS/Temp waterproof tester EC59 Price on request MI60P Combination probe for pH/EC/TDS/Temp for MW803/MW8 Price on request