Milwaukee CD97 Low Range TDS Pen Tester | 0–999 ppm | ATC | Water Conditioning, RO & Education multi-unit meter Gel-filled reference requires no refilling

Gel-filled reference requires no refilling — minimal maintenance by design

Temperature: Probe MA830R (included)

Do not use damaged or expired packets

IP67 waterproof construction

The Milwaukee EC60 PRO Conductivity Tester is designed for hydroponic and other growers to help you make sure that your plants have the ideal amount of nutrient avaiable

Milwaukee CD97 Low Range TDS Pen Tester | 0–999 ppm | ATC | Water Conditioning, RO & Education multi-unit meter Gel-filled reference requires no refillingMilwaukee CD97 Low Range TDS Pen Digital PPM Tester with ATC Monitor water purity with confidence using the Milwaukee CD97 a compact, digital Total Dissolved Solids (TDS) pen tester engineered for water conditioning, reverse osmosis (RO) system verification, hydroponics, aquarium maintenance, drinking water testing, and science education. Simple, accurate, and built to last, the CD97 delivers reliable ppm readings with Automatic Temperature