Dissolved oxygen meter MW600 Back Catalog number: MW600 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended CD97 TDS tester with ATC, range: 1 - 999 ppm Price on request MW802 Smart pH/EC/TDS combined meter MW802 Price on request ORP57 ORP/Temp waterproof tester ORP57 Price on request