Milwaukee CD611 Digital Conductivity Pen (EC)
PHM611M
Optimize your nutrient management and water quality with the Milwaukee CD611 Digital Conductivity Pen (EC) — an essential tool for growers who want accurate, hassle-free electrical conductivity (EC) measurement in hydroponic systems, reservoirs and nutrient solutions. Designed specifically for growers, this compact meter helps you maintain the right level of dissolved nutrients so your plants can thrive.
The CD611 Digital Conductivity Pen provides fast, reliable EC readings in microSiemens per centimeter (µS/cm) across a broad range up to 19,900 µS/cm, making it an ideal choice for most hydroponic and greenhouse setups.
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Wide EC Range (0–19,900 µS/cm): Perfect for hydroponics, nutrient solutions, and irrigation water monitoring.
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Automatic Temperature Compensation (ATC): Adjusts readings based on water temperature for more consistent results.
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Simple One-Point Calibration: Easy manual calibration keeps accuracy sharp with minimal effort.
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Clear Digital Display: Read measurements quickly and confidently without guesswork.
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Long Battery Life: Up to ~300 + hours of continuous use so you can test regularly without frequent battery changes.
Pairs well with
Milwaukee CD611 Digital Conductivity Pen (EC)
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