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 PH600 pH tester with 1 point calibration, ±0.2 pH accura Price on request MW102 µp-based ATC pH/Temp meter MW102 Price on request HI 98103 pH tester CHECKER Price on request