Milwaukee MC311 PRO Conductivity (EC) Controller

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MILWAUKEE MC311 PRO EC CONTROLLER — AUTOMATED CONDUCTIVITY MONITORING The Milwaukee MC311 PRO Conductivity (EC) Controller automatically monitors and adjusts EC levels 24/7 — set y our parameters and let it do the work. Trusted by hydroponics growers and aquarium professionals who need precision nutrient management without constant manual testing. WHY THE MC311 PRO When your nutrient solution drifts, your plants suffer. The MC311 PRO eliminates guesswork with continuous EC monitoring, high/low alarms, and relay-controlled dosing pump compatibility — so your levels stay dialed in around the clock. KEY FEATURES Large digital LCD readout with visual LED alarm for instant status at a glance ±2% full scale accuracy across 0.0–10.0 mS/cm range User-selectable high/low set points (0.8 to 2.8 mS/cm) Simple one-point manual calibration with trim adjustment MA812/2 hardwired EC probe included (6.5 ft cable) Automatic Temperature Compensation (ATC): 0–50°C Compatible with Milwaukee MP810 dosing pump (sold separately) Complete mounting kit with probe holder included 12 VDC power supply included SPECIFICATIONS Range: 0.0 – 10.0 mS/cm Resolution: 0.1 mS/cm Accuracy: ±2% F.S. Calibration: Manual, 1-point Set Point: 0.8 to 2.8 mS/cm Alarm: Activates when reading exceeds high or low set point Temperature Compensation: Automatic, 0–50°C / 32–122°F EC Electrode: MA812/2 (included) Operating Environment: 0–50°C / 32–122°F; max RH 95% Power Supply: 12 VDC adapter (included) Power Drivers: 115 VAC, 2A, 60Hz or 230 VAC, 1A, 50Hz Dimensions: 5.9 x 3.2 x 1.35 inches Weight: 6.3 oz (meter only) SKU: MC311US | UPC: 810666004301 Show more