pH/Temp waterproof tester, -2.0 to 16.0 pH Back Catalog number: PH55 Manufacturer: MILWAUKEE ELECTRONICS Availability: 3 weeks Price on request - + Recommended MI806 Portable meter pH/EC/TDS/Temp Mi806 Price on request MI180 Comb log GLP pH/mV/EC/TDS/NaCl/Temp Mi180 Price on request MI151 pH/ORP/Temp combined bench meter Mi151 Price on request