The ECHO-GW is an automated groundwater monitoring station for observation wells, aquifer studies and remote sites. This complete groundwater monitoring system brings together SpaceEcho devices and sensors. It measures water level and water quality in the well, logs the readings on the ECHO-Gateway v4 and sends them to EchoCloud. It runs on solar power, so it needs no mains supply on site.
Features
Groundwater level and quality
Measure water level, conductivity, salinity, temperature, pH and dissolved oxygen in the well.
Real-time groundwater telemetry
Readings reach EchoCloud in real time for remote groundwater monitoring.
Solar powered
A solar panel and backup battery keep the station running at off-grid sites.
Dual communication
4G and Ethernet together. If one goes down, the station restores communication over the other.
No data lost in an outage
If all communication is down, the station keeps logging and resends the data when the connection returns.
Three field configurations
Single, profile and grid stations, for one well or a whole area.
Station health
Check power, signal and storage remotely in EchoCloud.
Alerts
Get alerts by email, Telegram and WhatsApp.
Any well depth
Sensors come in any range and cable length.
Installation and support
SpaceEcho installs and maintains the station, with a 2-year hardware warranty and 24/7 technical support.
Groundwater level sensors and water quality probes
A groundwater level sensor sits under the water in the well and converts pressure into a level reading. Water quality probes can run in the same well, so level and quality are recorded together.
Each station stands beside the observation well, with its equipment on one mast.
Solar power system
A solar panel and charge controller power the station at remote sites.
Backup battery
Keeps the station running through low sunlight.
Data logger
The ECHO-Gateway v4 stores data on 3 microSD cards and sends it over 4G and Ethernet.
Electronic junction box
An IP65 box protects the electronics from dust and rain.
Sensors in the well
Level and water quality sensors installed in the observation well.
Inside a SpaceEcho station enclosure: data logger, charge controller and battery.
Groundwater monitoring configurations
Wells and stations are combined in three configurations, for different observation needs.
Single station for localized monitoring
Monitors one observation well, giving site-specific data and showing local changes over time.
One station, one well.
Profile stations for directional monitoring
A line of observation wells and stations tracks groundwater changes along one direction. This supports the study of groundwater movement and seawater intrusion.
Stations in a line, from the coast inland.
Grid stations for spatial mapping
Observation wells and stations spread across an area capture spatial changes and support groundwater contour maps.
Stations across an area, mapped as contours.
Supported sensors
The EchoHub-485 gives a station more sensor ports. The EchoHub Combine Unit connects sensors with 0–10 V, 4–20 mA or SDI-12 signals, by model.
In 2020, SpaceEcho installed nine monitoring stations at the Hawara archaeological site in Fayum, Egypt, to follow groundwater around and inside the pyramid.
An IP67 outdoor converter that turns 0–10 V, 4–20 mA or SDI-12 sensor signals into RS-485, for the ECHO-Gatewa...
Frequently asked questions
Which groundwater level sensor does the station use?
It uses the PSL03 submersible pressure sensor, which sits under the water in the well and converts pressure into a level reading. SpaceEcho can provide any sensor range and cable length to suit your well.
Can it measure water quality as well as level?
Yes. Probes can add conductivity, TDS, salinity, temperature, pH and dissolved oxygen.
Can it work at a remote site with no mains power?
Yes. The station runs on a solar panel with a backup battery.
How does the data reach me?
The station sends readings over 4G or Ethernet to EchoCloud, where you can view them in real time.
What happens if the connection goes down?
With 4G and Ethernet, the station restores communication over the other link. If all communication is down, it keeps the data and resends it when the connection returns.
Which configuration do I need?
Use a single station for one well, a profile for changes along one direction such as seawater intrusion, and a grid to map an area.
Does SpaceEcho install the station?
Yes. SpaceEcho provides installation and maintenance services, with a 2-year hardware warranty and 24/7 technical support.
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