Milwaukee Instruments EC40 Pro Nutrient Stick

Milwaukee EC40 PRO EC/TDS Nutrient Meter

The Milwaukee EC40 PRO is an extremely tough, reliable, IP67 waterproof nutrient meter designed for hydroponic, horticulture, and agricultural applications. Factory calibrated — no user calibration ever required. Twenty (20) blue LEDs make readings easy to see in daylight or darkness. Powered by 3 AA batteries with up to 3 years of battery life at 10 measurements per day.

FEATURES

• Measures EC, TDS, and CF simultaneously.
• Units directly in mS/cm, CF, and PPM — no conversions needed.
• Automatic Temperature Compensation (ATC) from 5 to 50°C.
• Factory calibrated — no additional calibration required.
• Auto on/off to conserve battery.
• 20 blue LED bar display for easy reading in any light.
• Battery level indicator.
• IP67 waterproof and floating.
• 2-year warranty.

SPECIFICATIONS

• EC Range: 0.2 to 4 mS/cm | CF Range: 2 to 40 | TDS: 140–2800 ppm (0.7 scale) / 100–2000 ppm (0.5 scale)
• Resolution: 0.1 mS/cm / 1 CF / 70 ppm (0.7) / 50 ppm (0.5)
• Accuracy: ±4% of reading ±1 resolution point
• Calibration: Factory calibrated (no user calibration required)
• Battery: 3 x 1.5V AA / ~3 years @ 10 tests/day
• Dimensions: 17″ length (420mm) / 1.2″ diameter | Weight: 9 oz
• Casing: IP67, floating