Why Stage 1 Matters: The Pre-Filter’s Role in the System

Replacement Schedule

Auto-shut off: After 3 minutes of non-use

and filter replacement requirements as directed for each application for this filter and system to perform correctly

have moved to digital °Baumé measurement from less accurate and less precise optical refractometers

Milwaukee SE520 Lab-Grade EC/TDS Probe with DIN Connector for MW302 & MW402 Meters water bottle filter Why Stage 1 Matters: TheGenuine Milwaukee SE520 Lab Grade EC TDS Probe Keep your MW302 and MW402 PRO Conductivity Meters performing at lab grade accuracy with this precision engineered replacement probe. The SE520 combines conductivity and TDS measurement in a single, durable probe designed for professional water testing applications. Key Features: Dual function probe measures EC and TDS with lab grade precision DIN connector with 3 foot (1 meter) cable for flexible