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 MW101 Portable pH meter, 0.00 to 14.00pH, 2point cal. Price on request MC120 pH monitor MC120 Price on request MI105 Portable meter Mi105 Price on request