pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended PH58 pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Price on request MI150 pH/Temp combined bench meter Mi150 Price on request MC410 TDS monitor MC410 Price on request