pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended HI98127 pH tester pHep® 4 Price on request MI150 pH/Temp combined bench meter Mi150 Price on request TH310 Stick thermometer TH310 Price on request