TDS meter MW401 Back Catalog number: MW401 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended C65 Waterproof conductivity tester, 0 to 1999 μS/cm Price on request MI160 pH/ORP/ISE/Temp combined logging bench meter Mi16 Price on request MW302 Conductivity meter MW302 Price on request