Measure smarter.
Operate with confidence.

Rhosonics develops ultrasonic instruments for real-time density and concentration measurement in demanding industrial processes.

See how Rhosonics turns process data into practical insight.

No radioactive source

Ultrasonic measurement, so no nuclear licensing or handling.

Real-time process data

Continuous readings for faster control decisions.

Built for harsh processes

Designed for abrasive slurries and aggressive chemicals.

Global support

A worldwide network of Rhosonics partners.

PRODUCT FAMILY

Measurement technology built around the process.

From mineral slurries to chemical solutions, choose the measurement that fits the job.

Slurry density

SDM ECO

Real-time slurry density measurement using non-intrusive ultrasonic technology. An alternative to nuclear density gauges.

Explore SDM ECO

Chemical concentration

CCM Series

Continuous chemical concentration measurement for demanding process applications.

Explore CCM →

Chemical density

CDM Series

Reliable real-time chemical density data for harsh industrial environments.

Explore CDM →

See the technology in a real application.

Field comparison

As accurate as a nuclear gauge, and faster to respond.

SDM ECO was compared with the installed nucleonic meter on a thickener underflow at a chrome and PGM processing plant in South Africa.

Read the case study →

Start with what you need to measure.

Explore our measurement technologies by process variable.

MEASURE

Density

Real-time density insight for slurries and chemical processes.

Explore density measurement →

MEASURE

Concentration

Continuous concentration insight for chemical process control.

Explore concentration measurement →

Used across operations worldwide.

Customers include mining, chemicals and electronics manufacturers.

  • Sandvik
  • Freeport-McMoRan
  • ICL
  • Allied Gold
  • Vale
  • BOE

Built in the Netherlands.
Used around the world.

We develop ultrasonic process instrumentation in Putten, the Netherlands, working with customers and partners across mining, dredging, chemicals and semiconductor production.

new employees

Latest insights

  • Real-Time Control in the Flotation Circuit: The Key to Stable Recovery

    Maintaining stable process conditions is critical for efficient flotation. With the right instrumentation and integrated automation stable process conditions can be maintained at all times, yielding optimized results.

    Read article →

  • Preventing Mill Overload and Underload with Real-Time Density Monitoring

    Mill overload or underload can quietly reduce efficiency long before operators notice. With real-time density monitoring from the Rhosonics SDM ECO, plants can keep the grinding circuit in balance, stabilize downstream flotation, and maximize overall plant performance - all without the regulatory and safety concerns of nuclear devices.

    Read article →

  • Six Key Benefits of an Ultrasonic Slurry Density Meter

    Discover six key benefits of using a slurry density meter in modern mineral processing. Improve safety, sustainability, and efficiency with the SDM ECO.

    Read article →

Got a process challenge?

Tell us what you are measuring, where it happens and what you need to improve. We will help you find the right next step.

Useful to have ready: the medium, pipe size and material, operating range, and how you measure it today.