Dissolved oxygen meter MW600 Back Catalog number: MW600 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 EC60 EC/TDS/Temp waterproof tester EC60 Price on request HI9126 Přenosný pH/ORP metr Hanna Instruments Price on request