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 HI 98103 pH tester CHECKER Price on request HI98127 pH tester pHep® 4 Price on request