Milwaukee SE520 Lab-Grade EC/TDS Probe with DIN Connector for MW302 & MW402 Meters filter replacement tracker Regular calibration recommended for optimal

Regular calibration recommended for optimal accuracy

Measure must and wine pH to make informed decisions about acid additions

target near-zero phosphates for reef tanks or below 0

Maifan stone is a naturally occurring mineral-rich rock used in traditional East Asian water treatment for centuries

Multiple measurement units (ppm

Milwaukee SE520 Lab-Grade EC/TDS Probe with DIN Connector for MW302 & MW402 Meters filter replacement tracker Regular calibration recommended for optimalGenuine 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