Milwaukee T75 Waterproof Low Range TDS Pen - Total Dissolved Solids Meter 0-999 ppm mercury filter The pH55 PRO is waterproof

The pH55 PRO is waterproof to IP65

Standard pitcher filters rush water through a single carbon block in seconds

Auto shut off after 8 minutes of non-use

Dry thoroughly before reassembly

the RIGGER keeps you hydrated and ready

Milwaukee T75 Waterproof Low Range TDS Pen - Total Dissolved Solids Meter 0-999 ppm mercury filter The pH55 PRO is waterproofMilwaukee T75 Waterproof Low Range TDS Pen The Milwaukee Instruments T75 is a professional grade waterproof TDS (Total Dissolved Solids) pen designed for accurate low range measurements from 0 to 999 ppm. Built for water quality professionals, aquarium enthusiasts, hydroponics growers, and field technicians who need reliable, portable TDS testing. Key Features Low Range Precision Optimized for 0 999 ppm measurements with 2% full scale accuracy