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 ORP57 ORP/Temp waterproof tester ORP57 Price on request HI9126 Přenosný pH/ORP metr Hanna Instruments Price on request MC410 TDS monitor MC410 Price on request