Ultrasound Density Analysis Measuring Chemical Concentration

We are dedicated to providing you with state-of-the-art ultrasonic density meters, of which the SDM is our flagship product. With our high-quality instruments, you’re guaranteed reliable measurements that will give you the most accurate and up-to-date results you need for your industrial operations. So we put together your top questions about density meters.

What is an Ultrasonic Density Meter?

This slurry density meter utilises the principles of sound waves to measure the density of liquids or slurries precisely. This innovative device sends out an ultrasonic pulse through the medium and accurately calculates the density by measuring the time it takes for the pulse to reflect back to the meter from your pipe line. With this advanced technology, the density of various substances can be determined with utmost precision and efficiency.

Why should I choose this non-intrusive ultrasonic sensor?

The SDM is renowned for its precision and dependability, making it the perfect option for customers requiring liquid or slurry density measurements across diverse industries such as mining, chemical processing, food production, and pulp and paper. The SDM offers an extremely accurate measurement, with a resolution of 0.001 g/cm³ and repeatability of ±0.002 g/cm³. Additionally, as it is installed directly in the pipeline.

What industries is it ideal for?

The ultrasonic density meter is an advanced and highly precise instrument specifically designed to cater to the needs of various industries that demand accurate and reliable measurements of liquid or slurry densities. Its versatile applications span a wide range of sectors, including mining, mineral slurries, chemical processing, food production, pulp and paper, and many others.

What features does it offer?

This sensor which sustainable ultrasonic technology, is packed with great features designed to provide you with the most reliable and accurate measurement results of liquids. These include a built-in data logger, local display for monitoring online readings, wireless communication options, and adjustable dampening settings.

What materials can be measured?

The state-of-the-art SDM technology is designed to accurately measure a wide range of liquid or slurry materials, regardless of their viscosity or composition even in very large pipes. Whether you need to monitor flow rates, control process parameters, or optimise production efficiency, the SDM can provide the critical data you need for informed decision-making.

Is the slurry density meter easy to install and use?

Yes, the SDM is very easy to install and use. It can be mounted directly onto a pipeline or tank, and set up using the easy-to-follow instructions provided with the meter. Once installed, the meter provides accurate and reliable density measurements with minimal maintenance required.

What range of densities can the non-intrusive ultrasonic sensor accurately measure?

The SDM slurry density meter can accurately measure densities ranging from 0.5 g/cm3 to 3.0 g/cm3. If you need to measure a higher density range, PMA also offers another ultrasonic density measurement for very large pipes that can accurately measure up to 5.0 g/cm3.

Is it possible to use the SDM in hazardous environments?

Yes, the SDM can be used in hazardous environments. We offer models with ATEX, IECEx, and FM approvals for use in potentially explosive environments.


We understand the importance of accurate and reliable measurements, which is why we offer the best real time density measurement, for even high density levels. We hope this blog post has answered any questions you may have about the need for real time density measurement and sustainable ultrasonic technology, but if you have any further questions or would like to order one, please contact us today.

Contact Us for More Information about the Rhosonics SDM and Ultrasonic Density Meters

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