STOP DRIVING TO THE RIVER TO COLLECT A FILE.
One in-river sensor measures water level, temperature and calibrated turbidity, and can be site-calibrated for suspended sediment in g/L. Choose satellite or LoRaWAN telemetry, or run it as a standalone logger. Every reading is stored onboard either way.
Download datasheet
Tested by more than 50 scientists. Deployed from Greenland to Patagonia to Japan. Methods published in Scientific Reports, HardwareX and CATENA.

ONE SENSOR. THREE PACKAGES. UPGRADE WITHOUT NEW HARDWARE.
Every package uses the same sensor and the same installation. Start with what your project needs now; unlock more parameters later without returning to the field.
CORE
01
Water level and water temperature, with onboard logging.
For hydrology, stage records and long term baseline monitoring.
TURBIDITY
02
Everything in Core, plus calibrated turbidity across 0 to 4000 NTU.
For event monitoring, storm response and snowmelt studies
SEDIMENT (SSC)
Everything in Turbidity, plus a site specific calibration that converts your readings into suspended sediment concentration in g/L.
Two routes: you collect the samples, or we collect them for you.
For sediment budgets, flux estimates and compliance records
CUSTOMIZE
ADD TO ANY PACKAGE
CONNECTIVITY
Standalone logger
LoRaWAN
Globalstar satellite
DATA ACCESS
Local micro SD
Research Cloud with API and CSV export
Dashboard with alerts and QA
SUPPORT
On-site installation and training
Custom dashboards and API work
Multi-site deployment planning
INCLUDED WITH EVERY SYSTEM
In-water sensor, battery and data-logger enclosure, 10 m cable, onboard micro SD storage and remote installation guidance.
We supply the sensor, logger, selected connectivity and data access as one configured system.
TURBIDITY IS A PROXY. SEDIMENT MASS IS THE ANSWER.
Optical turbidity depends on particle size, so the same NTU reading can mean very different sediment loads as conditions change. When your project needs actual mass per litre, we build a site-specific calibration from water samples taken at your site and load it onto the sensor. You get suspended sediment concentration in g/L without running your own lab campaign.
Most sensors in this class stop at turbidity. This is the part that is hard, and it is the part we published


BUILT FROM RIVER RESEARCH. TESTED IN RIVERS WORLDWIDE.
The Riverkin Sensor grew out of open-source hydrology work at ETH Zurich. More than 50 scientists have tested it and shaped its design, installation and calibration. Its optical performance was benchmarked against commercial turbidity sensors in a peer-reviewed intercomparison, and the methods are published and open — you can read exactly how the measurement works before you buy
Scientific Reports, 2022
Open-source, low-cost in-situ turbidity sensor for river network monitoring
HardwareX, 2023
3D-printed open-source turbidity sensor with Arduino shield
CATENA, 2024
Sensor intercomparison against commercial turbidity sensors
Download datasheet
FAQ
How quickly can you deliver?
Do I need separate sensors for temperature, turbidity and sediment?
Can I start with one package and upgrade later?
Does it work where there is no cellular coverage?
What happens if transmission is interrupted?
What is the difference between turbidity and SSC?
Can I publish with this data?
Can I order several sensors?
Do you ship internationally?
Is installation included?
TELL US WHAT YOU NEED TO MEASURE.
Send us the site, the number of sensors, the measurements you need and your preferred connectivity. We will recommend a configuration and reply with a quote.
HELPFUL DETAILS TO INCLUDE
Site and country
Number of sensors
Required measurements or output
Standalone logger, LoRa or satellite
Required data access, and your deployment or field-season date