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 MI605 Oxygen portable meter Mi605 Price on request PH600 pH tester with 1 point calibration, ±0.2 pH accura Price on request MI150-E pH/Temp combined bench meter Mi150-E Price on request