Milwaukee CD97 Low Range TDS Pen Tester | 0–999 ppm | ATC | Water Conditioning, RO & Education multi-unit meter With the MI455 PRO Mini-Titrator

With the MI455 PRO Mini-Titrator

Light-Blocking Packaging: UV-resistant sachets protect solution integrity and extend shelf life

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

Do not use damaged or expired packets

Temperature: Probe MA830R (included)

Milwaukee CD97 Low Range TDS Pen Tester | 0–999 ppm | ATC | Water Conditioning, RO & Education multi-unit meter With the MI455 PRO Mini-TitratorMilwaukee 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