Online Ultrasonic density and concentration measurement Putten · 52.26° N 5.61° E 14:32:07 CEST
00 · Insights · Articles, news and trial records
Notes from theprocess floor.
Written by the people who commission the meters, calibrate them and answer the phone when the reading looks odd. No press-release voice, and the case studies carry the numbers.
Entries
101
Since 2020
Articles
35
Process and instrument practice
Trial records
20
Installations, with numbers
News
46
Company and events
Counts update as we publish · Feed at /feed/
Photo · SDM ECO on thickener underflow
Latest trial record
01 · Latest
Three most recent. Any section.
Whatever went up last, whether it is a field result, an article on process control or a note about where to find us.
Rhosonics at Industry Events 2026
In 2026, Rhosonics Expands Global Reach by Showcasing Ultrasonic Process Solutions at Premier Industry Events.
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 con...
02 · Trial records
Installations, written up with the numbers.
Each record names the site where we are allowed to, the line, what was there before and what the reading did. Enough to hand to procurement without a covering note.
Trial record
2026.03
Thickener Underflow
SDM ECO compared to nuke in thickener underflow
1 min read
Read the record
Trial record
2025.04
Comparison Test Weir Minerals
Test at Weir Minerals with three suppliers of density and flow meters
1 min read
Read the record
Trial record
2025.01
Innovative tool for SDM
Allows pipe and sensor to be cleaned daily without removing the sensor
1 min read
Read the record
03 · Articles
Process control, explained by instrument people.
Grinding, flotation, thickening and the odd piece on semiconductor chemistry. Written to be useful on a Tuesday, not to win an award.
2025.11
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 maint...
Susanne van den Hoek
2 min read
2025.11
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 g...
Susanne van den Hoek
3 min read
2025.09
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.
Susanne van den Hoek
3 min read
2025.07
Smarter Mineral Processing: Navigating Industry 4.0 with the Rhosonics SDM ECO
The drive towards smarter, more connected operations is transforming the way industries work. This shift, often referred to as Industry 4.0, is making a big impact in are...
Susanne van den Hoek
2 min read
2025.03
Introducing Authentication for the SDM ECO: More Security, More Control
We are excited to announce a significant upgrade to the SDM ECO that will revolutionize how you manage access and security: the new Authentication System.
Susanne van den Hoek
2 min read
2024.12
Water Sustainability: A Critical Issue for Industry and Communities
At Rhosonics, we believe access to clean water is a fundamental human right. That’s why we’re proud to support Charity: Water, an organization dedicated to providing safe...
Susanne van den Hoek
5 min read
04 · News
Company log. Short entries, dated.
Events, people and announcements. If it needs more than a paragraph, it becomes an article.
17 February 2026
Rhosonics at Industry Events 2026
16 October 2025
Rhosonics Welcomes New Business Development Manager
30 June 2025
Rhosonics’ Successful Seminar in Punta Cana
17 April 2025
Rhosonics at SEMICON 2025: Advancing IC Manufacturing with Ultrasonic Sensors
11 April 2025
Rhosonics at Industry Events 2025
29 November 2024
Together with Fruitful Office for a more sustainable future
25 October 2024
Halloween
16 October 2024
Rhosonics Paper Presentation ICPT 2024
5 September 2024
Rhosonics parting ways with Martijn Boerma
28 August 2024
Rhosonics Start-up Assistance
05 · Archive
The whole run. Newest first.
Every entry since the first one in 2020. The old ones are kept because engineers still search for them.
Date
Entry
Section
Read
2026.03
Thickener Underflow
Case studies
1 min read
2026.02
Rhosonics at Industry Events 2026
News
2 min read
2025.11
Real-Time Control in the Flotation Circuit: The Key to Stable Recovery
Blog
2 min read
2025.11
Preventing Mill Overload and Underload with Real-Time Density Monitoring
Blog
3 min read
2025.10
Rhosonics Welcomes New Business Development Manager
News
1 min read
2025.09
Six Key Benefits of an Ultrasonic Slurry Density Meter
Blog
3 min read
2025.07
Smarter Mineral Processing: Navigating Industry 4.0 with the Rhosonics SDM ECO
Blog
2 min read
2025.06
Rhosonics’ Successful Seminar in Punta Cana
News
1 min read
2025.04
Rhosonics at SEMICON 2025: Advancing IC Manufacturing with Ultrasonic Sensors
News
1 min read
2025.04
Rhosonics at Industry Events 2025
News
2 min read
2025.04
Comparison Test Weir Minerals
Case studies
1 min read
2025.03
Introducing Authentication for the SDM ECO: More Security, More Control
Blog
2 min read
2025.01
Innovative tool for SDM
Case studies
1 min read
2024.12
Water Sustainability: A Critical Issue for Industry and Communities
Blog
5 min read
2024.11
Together with Fruitful Office for a more sustainable future
News
1 min read
2024.11
Measuring CMP Slurry with the Rhosonics CCM
Blog
5 min read
2024.10
Halloween
News
1 min read
2024.10
Rhosonics Paper Presentation ICPT 2024
News
1 min read
2024.09
Enhancing Measurement Accuracy with Multi-Point Calibration
Blog
3 min read
2024.09
Rhosonics parting ways with Martijn Boerma
News
1 min read
2024.08
Rhosonics Start-up Assistance
News
1 min read
2024.07
Concentration measurement in the semiconductor industry
Blog
4 min read
2024.07
Rhosonics SDM ECO at Beens Dredging
News
1 min read
2024.07
New Global Sales Manager
News
1 min read
2024.06
The Benefits of COD Measurement
Blog
3 min read
2024.05
The Future of Tailings Management
Blog
4 min read
2024.05
Rhosonics Partners Showcase Products at International Exhibitions
News
1 min read
2024.05
Putten Power Run 2024
News
1 min read
2024.04
Sustainable Tailings Management
Blog
3 min read
2024.03
Mine Tailings: The Cornerstone of Safe Mining Operations
Blog
4 min read
2024.03
SDM at Rio Tinto Gove Australia
Case studies
1 min read
2024.03
InterBattery 2024
News
1 min read
2024.02
Rhosonics density meters at Beens Dredging
News
1 min read
2024.02
Product Discontinuation Notice
News
1 min read
2024.02
Unlocking the Depths: Trailing Suction Hopper Dredgers
Blog
3 min read
2024.01
Two new employees at Rhosonics
News
1 min read
2024.01
Measuring density in the thickening process
Blog
2 min read
2023.12
2023: A Year of Growth and Change
News
1 min read
2023.12
Measuring density in the flotation process
Blog
6 min read
2023.12
SDM ECO: 3rd generation of the Slurry Density Meter
News
1 min read
2023.11
Press release: Rhosonics unveiled its SDM ECO slurry density meter
News
2 min read
2023.11
Rhosonics and DS Linetech sign agreement
News
1 min read
2023.11
SDM ECO at tailings thickener Grupo Mexico
Case studies
1 min read
2023.10
Press Release: SDM ECO (ES)
News
2 min read
2023.10
Press Release: SDM ECO (EN)
News
2 min read
2023.10
SDM at Muja Power Station
Case studies
1 min read
2023.10
Improve thickener operations by measuring density
Blog
3 min read
2023.09
What to do with your old nuclear sources?
Blog
2 min read
2023.09
Rhosonics welcomes four new employees
News
1 min read
2023.08
Process control in the grinding circuit
Blog
4 min read
2023.08
Our tree for 3 campaign comes to a close
News
1 min read
2023.07
Gold extraction mining plant
Case studies
2 min read
2023.07
Rhosonics Academy
News
1 min read
2023.07
Collaboration with S3 Alliance
News
1 min read
2023.06
Mining Experts EP1: Process Control
Blog
1 min read
2023.06
Tree for 3 campaign
News
2 min read
2023.05
Putten Power Run
News
1 min read
2023.05
Case study Copper foil
Case studies
2 min read
2023.05
Webinar: Density measurement in the grinding circuit
News
1 min read
2023.05
Optimizing mineral processing operations
Blog
3 min read
2023.04
Debate about Deep Sea mining intensifies
Blog
2 min read
2023.04
Rhosonics welcomes new Area Sales Manager
News
1 min read
2023.03
Radioactive cylinder missing
News
1 min read
2023.03
Rhosonics attends the SME Mining exhibition
News
1 min read
2023.02
Two new colleagues at the production team
News
1 min read
2023.02
Q&A about grinding circuits
Blog
3 min read
2023.01
Density measurement in the roof-tiles application
Blog
1 min read
2023.01
Rhosonics welcomes new colleagues
News
1 min read
2022.12
The ten most reported issues with nuclear density meters
Blog
3 min read
2022.12
Rhosonics seminars
News
1 min read
2022.11
Webinar Expired
News
1 min read
2022.11
Control Strategies for thickeners
Blog
3 min read
2022.11
Lunch & learn
News
1 min read
2022.11
Density measurement in the tunneling industry
Blog
1 min read
2022.11
Nuclear vs Ultrasonic
Blog
1 min read
2022.10
Over 1000 density meters installed globally
News
1 min read
2022.10
SDM in Tunneling Industry
Case studies
2 min read
2022.09
SDM at Vinacomin Cua Ong Site
Case studies
2 min read
2022.09
Cannington Paste Plant
Case studies
2 min read
2022.09
Ferrochrome Smelter
Case studies
1 min read
2022.09
SDMs at Agnico Eagle
Case studies
2 min read
2022.09
SDM at Beni Amir Washing Plant
Case studies
1 min read
2022.09
SDM Comparison Test in France
Case studies
2 min read
2022.09
SDM at Hopper Dredger
Case studies
1 min read
2022.09
SDM at Minera Poderosa
Case studies
1 min read
2022.09
SDM at Gold Processing Plant
Case studies
1 min read
2022.09
CDM at Paper Mill in Canada
Case studies
1 min read
2022.09
SDM at Minera Mexicana
Case studies
2 min read
2022.09
Rhosonics integrates two new employees
News
1 min read
2022.07
Rhosonics invests in a sustainable future
News
1 min read
2022.06
Measuring Density in Grinding Circuit
Blog
6 min read
2022.05
Press Release: Clamp-in
Blog
1 min read
2022.05
Sustainable path to growth
News
1 min read
2022.04
Celebration of 30 years Rhosonics
News
1 min read
2022.04
Concentration measurement in the copper foil industry
Blog
1 min read
2022.03
The regulations for nuclear gauges
Blog
4 min read
2021.11
Mining Talks – Thickener Series – EP1 “Short Circuiting”
Blog
1 min read
2021.10
Control strategies for flotation
Blog
1 min read
2021.07
Donations to red cross
News
1 min read
2021.07
New CEO
News
1 min read
2020.07
Dez problemas com o uso de fontes radioativas
Blog
3 min read
Something to measure?
Tell us the medium, pipe size and operating conditions. An engineer will tell you which instrument fits and what to expect from it, in writing, so it can go in the file.