Milwaukee MW401 PRO TDS Meter | Low Range 0-1990 ppm with ATC MW600 calibration No artificial ionization — just

No artificial ionization — just natural mineral chemistry

Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution

great-tasting water on the go

✅ Lightweight & portable — rugged design built to take knocks

installation and filter change instructions

Milwaukee MW401 PRO TDS Meter | Low Range 0-1990 ppm with ATC MW600 calibration No artificial ionization — justDESCRIPTION MW401 is a Portable Low Range Total Dissolved Solids (TDS) Meter with Automatic Temperature Compensation. This instrument has been designed for aquariums, aquaculture, labs, and water conditioning applications to meet the needs for equipment suited from hobbist to professional. It is also a great meter for food labs, and water treatment applications. TDS testing provides a method to optimize chemical applications and minimize operational