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 MC410 TDS monitor MC410 Price on request PH55 pH/Temp waterproof tester, -2.0 to 16.0 pH Price on request TH300 Thermometer TH300 Price on request