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 MC110 pH monitor MC110 Price on request PH55 pH/Temp waterproof tester, -2.0 to 16.0 pH Price on request MI150-E pH/Temp combined bench meter Mi150-E Price on request