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 PH56 pH/Temp waterproof tester pH56 Price on request MW101 Portable pH meter, 0.00 to 14.00pH, 2point cal. Price on request CD611 Conductivity tester with ATC, 0 - 20000 µS/cm Price on request