Milwaukee MC311 PRO Conductivity (EC) Controller

SKU: 9139-MC311~ea

Milwaukee MC311 PRO Conductivity (EC) Controller

SKU: 9139-MC311~ea
Regular price $293.68 CAD
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Milwaukee MC311 PRO Conductivity (EC) Controller

The Milwaukee MC311 PRO Conductivity (EC) controller allows for measurement and adjustment of EC levels automatically.  Simply set EC parameters and the Milwaukee EC Controller will do the rest.  The controller is preferred by people looking to dial in their testing program when they have an ongoing need to maintain levels. Common uses are nutrient tanks and aquariums. 

The Milwaukee PRO EC controller offers an accuracy to ±2% full scale.  It provides a control range of 0.0 to 10.0 mS/cm with alarms that activate when readings are higher or lower than set point.  There is also an optional dosing pump (MP810) that is compatible with this item. 

This EC Controller comes with a complete mounting kit including a probe holder.


  • Fast, easy-to-read current results with large digital LCD readout and visual LED alarm
  • Accurate to ±2% full scale (0.0 pH to 10.0 mS/cm) with the user selectable high/low set points
  • Simple one-point calibration for increased accuracy with manual trimmers for easy adjustment
  • MA812/2 hardwired EC probe included
  • 5-foot probe cables for extra flexibility when testing
  • 12 VDC power supply


  • 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: Active when reading is higher or lower than set point
  • Temperature Compensation: Automatic, from 0 to 50°C
  • EC electrode: MA812/2 (included)
  • Environment: 0 to 50°C / 32 to 122°F; max RH 95%
  • Power Supply: 12 VDC adapter (included)
  • Power Drivers: 115 VAC, 2A, 60Hz or 230 VAC, 1A, 50Hz
  • Mounting kit (Included)
  • Dimensions: 5.9 x 3.2 x 1.35 inches
  • Weight: 6.3 ounces (meter only)

Milwaukee MC311 Manual

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