pH/EC/TDS/Temp tester MW804 Back Catalog number: MW804 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MW600 Dissolved oxygen meter MW600 Price on request MI170 Comb. Log. GLP EC/TDS/NaCl/Temp bench meter Mi170 Price on request PH58 pH/ORP/Temp waterproof tester, -2.00 to 16.00 pH Price on request