CRIUS® Controller | EquipSolutions

Capable of managing your chemical feed applications and much more

  • Overview
  • Key Benefits
  • Applications
  • Downloads
  • Focus Ons

Highest Quality – Low Cost – Superior Functionality

CRIUS®  is an attractively priced, top of the range instrument controller. Optional communications packages allow Profibus, Modbus ASCII, Modbus RTU, Modbus TCP and others. CRIUS® is now equipped with MQTT (Live Data) and can seamlessly connect to any Cloud-Based Data Acquisition System such as OverSite™.

The CRIUS® is equipped with the capability to connect up to four sensors of any type with appropriate analog outputs and relays. Four sensors not enough? Simply connect up to 4 CRIUS® together all using the same display and communications. Equipped with data-logging as standard and multiple PID loops as options, the CRIUS® is able to control complex water treatment processes at a fraction of the cost of other controllers.

With all users having their own log on, and with three levels of instrument and remote access security, you can use the CRIUS® with all of its superior functionality with confidence.

Crius Overview

Introductory Video

EquipSolutions CRIUS NA Controller

  • Low cost per point
  • Process control options
  • Remote access options
  • Stable, reliable, accurate sensors

Multi-channel online analyzers from EquipSolutions all maintain their level of functionality and include:

  • 4-20mA outputs
  • Assignable relay outputs
  • Intuitive menus
  • Text alarms to your cell phone
  • High resolution displays
  • Graphing and datalogging
  • 9 buttons for easy navigation
  • Enclosure; wall, panel, pipe or pole mounting. IP65/NEMA 4x.

Crius Key Benefits

The CRIUS® is currently used in a multitude of applications including: Water Treatment for the control of, for example, Cooling Towers where the online biofilm control of the BioSense and the remote access capability is bringing solutions to our customers’ water treatment requirements.

The CRIUS® is preferred in the Swimming Pools market, where the superior control and sensor capability provides for better quality bathing water. Again the remote access is proving essential to our customers along with the Variable Speed Drive (VSD) control which is massively reducing electricity usage and CO2 emissions (and reduces the electric bills!).

In the municipal drinking water market, the superior control capability is making it the controller of choice for areas like coagulation control with the superior sensors in use particularly for chlorine control and dissolved oxygen control.

Summary of Applications

  • Water Treatment
  • Drinking Water
  • Waste Water
  • Pool and Spa Control
  • Industrial Water
  • Food and Drink
  • Paper and Pulp

The CRIUS® can also come in a multitude of languages making it suitable for use in any market.

Crius Applications

CRIUS® Controller DatasheetDatasheet154kB
HaloSenseTechnical Note155kB
ORPSenseTechnical Note171kB
OxySenseTechnical Note218kB
PeraSenseTechnical Note208kB
pHSenseTechnical Note206kB
TurbSenseTechnical Note244kB
SoilSense MountingTechnical Note482kB

Focus Ons are a series of short articles distributed by email providing technical information regarding instrumentation, process measurement in potable, waste, process and pool waters. If you would like to join the mailing list, please contact us.

Crius Focus On

Contact Us

888-200-1800 – Corporate Headquarters

855-890-5650 – Metering Pump Hotline