Controllers

The Right Units for the Job

Controllers for pH, ORP, Conductivity and more

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hofmann pmh-2 controller

Used in a Variety of Applications

At Liquid Controls (Aust), we stock an extensive range of controllers manufactured in Australia by Hofmann Electronics and Liquitronics. Many industrial applications require our affordable and dependable instruments.

Our Top-Quality Controllers

pH Controller

This unit is designed to measure the alkalinity or acidity of a liquid. It’s typically used in the precise pH correction of water and wastewater.

ORP Controller

Our Oxidation Reduction Potential (ORP) is normally used to disinfect drinking water and reduce chrome and cyanide in the plating industry.

Conductivity Controller

This unit measures the conductivity that resides in a body of liquid. It’s generally used in cooling towers, boilers and the plating industry.

CO2 Controller

Our reliable CO2 controller is used for pH correction. Some of its features include an alarm relay and LED lights that signal operating status.

Data Logger

Various Options available (eg. Self-powered, Multi-Channel, Remote Monitoring), ideal for Trade Waste Monitoring as required by Water Authorities.

The Features of Our Controllers

pH Controller Model PMH-2

  • Single-channel pH or mV
  • Range: 0 to 14pH
  • 3 1/2-digit LCD display
  • LED lights indicating operating status
  • 240vAC output relay
  • Alarm relay (potential-free)
  • Isolated 4-20mA output
  • Dimensions (W) 166mm x (H) 160mm x (D) 90mm

Liquitronics Controller Model MCD-300

  • pH or ORP Control
  • Dual-Pulse Output
  • Dual 4-20mA Output
  • Flow Switch Input
  • Timer Output
  • Alarm Output
  • Five Relay Options
  • Proportional Dosing
  • Temperature Control
  • Time Clock
  • Programmable Timers
  • Optional Data Logger
  • IP56 Enclosure

Liquitronics Cooling Tower Controller Model ECD-5

  • Range: 0-5,000uS
  • Two-Line LCD display
  • LED lights indicating operating status
  • Two independent relays
  • Conductivity or temperature selection
  • Isolated 4-20mA output
  • Dimensions (W) 215mm x (H) 185mm x (D) 115mm

Controllers for other Applications Available. Please Contact us to Discuss.

Learn More Today

Get in touch with our crew at Liquid Controls (Aust) to learn more about what our products will do for you. We have the knowledge and expertise to assist you with choosing the best product for the job. 
Choose Your Controller
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