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 PH55 pH/Temp waterproof tester, -2.0 to 16.0 pH Price on request MC122 pH controller MC122 Price on request MI170 Comb. Log. GLP EC/TDS/NaCl/Temp bench meter Mi170 Price on request