TDS tester with ATC, range: 1 - 999 ppm Back Catalog number: CD97 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MW804 pH/EC/TDS/Temp tester MW804 Price on request PH600 pH tester with 1 point calibration, ±0.2 pH accura Price on request MW101 Portable pH meter, 0.00 to 14.00pH, 2point cal. Price on request