TDS tester with ATC, range: 0 - 1990 ppm Back Catalog number: CD600 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended PH55 pH/Temp waterproof tester, -2.0 to 16.0 pH Price on request MI151 pH/ORP/Temp combined bench meter Mi151 Price on request MI180 Comb log GLP pH/mV/EC/TDS/NaCl/Temp Mi180 Price on request