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 MI150 pH/Temp combined bench meter Mi150 Price on request MI805 Portable meter pH/EC/TDS/Temp Mi805 Price on request MI106 Combined portable meter pH/ORP/Temp Mi106 Price on request