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 PH55 pH/Temp waterproof tester, -2.0 to 16.0 pH Price on request HI 98103 pH tester CHECKER Price on request MI190 Comb logging with GLP DO/Temp bench meter Mi190 Price on request