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 PH58 pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Price on request CD97 TDS tester with ATC, range: 1 - 999 ppm Price on request MI150 pH/Temp combined bench meter Mi150 Price on request