Select your options below…

{{ option.description }}
"{{ option.noLongerAvailable }}" is no longer a valid option. Please choose from the current set of options.
Need help? Call one of our pump experts at 1-802-255-4003. We’re open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET.
Starting Price: $2,383.00
Selected Options: + ${{ calcAdditionalCost | formatCurrency }}
${{ calcCost | formatCurrency }} per {{ calcQuantity }} per {{ boxQuantity }}
Configured Part Number: {{ calcPartNumber }}
Alternate Part Numbers: {{pn}}
{{ calcAvailability }}



  • 0 to 14 pH scale
    • 0.01 resolution
  • Temperature reading
  • High and low set points
  • Proportional pulse or relay outputs standard
  • Limit timer: adjustable 0 to 11 hours
  • pH programmable response delay
  • Single and dual-point calibration
  • 4-20 mA output optional
  • Backlit LCD display


The LMI Pumps Liquitron DP5000 Series pH controller is a dual-channel pH controller providing either relay or proportional pulse outputs to drive chemical metering pumps. The backlit display provides constant information regarding controller conditions with easy-to-use navigation.

The Liquitron DP5000 Series features high and low alarm points, delay and limit timers, and other programmable features that make the DP5000 an adaptive pH controller for your chemical feed system.


  • Cooling Water
  • Waste Neutralization
  • Process Control
  • Environmental
  • Metal Finishing


This product can be used in the following applications: