Worldsensing’s GNSS Meter is a wireless sensor that enables precise automated measurement of surface point movements. It features advanced multi-band Real-Time Kinematic (RTK) technology and innovative edge processing that delivers millimetric precision with great reliability.

Millimetric Precision

Achieves sub-centimeter precision (down to 2mm) with hourly position updates, offering two aggregation levels: 6h and 24h.

Flexible configuration options

Can function as a base or rover, with field tools for radio link testing.

Advanced edge data-processing

Position quality and system performance statistics are transmitted via radio and available in CMT.

Wireless, autonomous, low-power

Battery-powered with D-size batteries, providing over 3 years of autonomy.

Integrated Tiltmeter and environmental sensors

Measures vertical shifts in structures and provides data when RTK conditions are unavailable.

GNSS Meter main technical specifications

General specifications

Sensor type
GNSS
Secondary Sensor
Tiltmeter
Environmental Sensor
Integrated temperature and humidity sensor
Power source
4 x 3,6 V D-size user-replaceable, high energy density batteries
Reporting Period
1 h
Communications
LoRa radio (ISM sub GHz)
GNSS time synchronization
±1s
Reporting Format
Position (WGS84) data for
- Last hour sample
- Last 6 h aggregated
- Last 24 h aggregated
System configuration
Device setup and configuration via Worldsensing App. Remote configuration using CMT Edge. Data can be exported to third-party software via MQTT, REST API, or FTP.

GNSS Sensor

Correction Technology
Real time Kinematic (RTK)
GNSS Channels
184
Constellations/ GNSS Signals received
- GPS / QZSS: L1C/A, L2C
- GLONASS: L1OF, L2OF
- Galileo: E1-B/C, E5b
- BeiDou: B1I, B2I
GNSS warmup time
Selectable from:
- 10 s
- 20 s
- 30 s

Tiltmeter

Sensor type
3-axis MEMS accelerometer
Range
±90º
Accuracy
± 2º: ± 0.0025º
± 15º: ± 0.013º
± 80º: ± 0.23º
Offset temperature dependency
± 0.002°/°C

GNSS Precision 95th Percentile

Distance base to rover
1 h last sample
6 h agregated
24 h aggregated
40 m
Horizontal
9 mm
3 mm
2 mm
Vertical
20 mm
5 mm
3 mm
4 000 m
Horizontal
21 mm
8 mm
4 mm
Vertical
31 mm
15 mm
7 mm

Battery life estimations

Warmup time
10 s
20 s
30 s
Base
3.1 years
2.7 years
2.4 years
Rover
3.5 years
2.9 years
2.5 years
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Applications

Discover key applications where our solutions deliver precision and reliability for 3D ground movement monitoring.

Geospatial

Settlement

GNSS Meter
Track 3D ground movements in structures, foundations, and infrastructure using the GNSS Meter. Delivering millimetric precision, it integrates with Worldsensing networks for reliable data. Perfect for tailings dams, roads, railways, levees, bridge abutments, piers, buildings, underground excavations, and soil consolidation. Combine with piezometers, extensometers, and settlement systems for comprehensive monitoring.

Subsidence and Heave

GNSS Meter

Monitor 3D ground movements, such as coastal subsidence or shifts caused by swelling rocks and expansive soils, using the GNSS Meter. Compatible with Worldsensing networks, it delivers millimetric precision and integrates with geospatial techniques such as InSAR or total stations for comprehensive monitoring. Ideal for applications in land reclamation projects, mining subsidence, and ground heave management.

Slope Stability

GNSS Meter

Monitor landslides, open pits, and unstable slopes with the GNSS Meter, delivering millimetric precision and seamless integration with Worldsensing networks. Perfect for surface monitoring, it complements slope stability radars, total stations, inclinometers, piezometers (for pore water pressure), crack sensors, and tiltmeters in early warning systems.

GNSS Meter Mounting Options

Explore versatile mounting options to securely install your device and optimize performance in any setup.

Compact wall mount

Secure to a wall using LS-ACC-BIG-HVP and LS-ACC-ANT-HVP plates for a compact setup. Not for base stations.

Compact pole mount with U-Bolts

Attach to a 50mm pole using LS-ACC-BIG-HVP, WS-ACC-U50, and LS-ACC-ANT-HVP. Add LS-ACC-PRS-VP for prism.

 

 

Compact pole mount with metal clamps

Mount to a pole using LS-ACC-BIG-HVP and metal clamps. Add LS-ACC-ANT-HVP and LS-ACC-PRS-VP for prism.

Compact horizontal mount

Mount on a horizontal surface with LS-ACC-BIG-HVP. Add LS-ACC-ANT-HVP for GNSS and LS-ACC-ANT-LORA for LoRa.

 

Survey pole mount

Attach the device to a survey pole using the LS-ACC-BIG-HVP mount plate. Install GNSS antenna with LS-ACC-GNSS-RD 5/8-inch survey mount.

 

Surface mount with extended LoRa antenna

Position the LoRA antenna away of the compact horizontal mount using the LS-ACC-ANT-LORA with LS-ACC-ANTE-G7 cable extension.

 

Surface mount with extended GNSS antenna

Position the GNSS antenna away from the wall mount using the LS-ACC-ANT-HVP with the LS-ACC-ANTE-G7 cable extension.

 

Frequently Asked Questions about GNSS Meter

What is the GNSS Meter?

The GNSS Meter is a wireless sensor designed for ground movement monitoring. It provides millimetric precision in measuring horizontal and vertical displacements over time, making it ideal for long-term monitoring applications.

How does it work?

The GNSS Meter captures positional data and processes it using RTK GNSS technology to achieve millimetric precision. It transmits data via Worldsensing’s LoRa networks. For single-site deployments, data is accessible locally through CMT Edge, while multi-site projects transmit data to CMT Cloud via the internet. Integration with third-party software is supported through MQTT, REST API, or FTP.

How accurate is the GNSS Meter?

The GNSS Meter provides millimetric precision with 2 mm accuracy in the horizontal and 3 mm in the vertical, ensuring precise ground movement monitoring.

Is the GNSS Meter weatherproof?

Yes, the GNSS Meter is designed to operate in harsh environments. It is built with industrial-grade materials, making it resistant to various weather conditions such as rain, dust, and extreme temperatures.

Can the GNSS Meter be used in remote locations without the internet?

Yes, the GNSS Meter operates independently of cellular networks or internet access. Data can be transmitted through LoRa networks, allowing for remote installations without the need for an internet connection.

What type of maintenance does the GNSS Meter require?

The GNSS Meter requires minimal maintenance, as it is battery-powered with a two-year autonomy. Regular checks on battery levels and general condition are recommended.

Can I use multiple GNSS Meters in the same area?

Yes, multiple GNSS Meters can be used in the same area. They can be synchronized for simultaneous monitoring, providing comprehensive data across a larger site.

What kind of data does the GNSS Meter provide?

The GNSS Meter provides detailed ground displacement data, including horizontal and vertical movement, aggregated over specified periods (e.g., 6-hour, 24-hour). This data helps monitor long-term ground movement and detect potential shifts in the environment.

Is the GNSS Meter compatible with other geotechnical sensors?

Yes, the GNSS Meter can be integrated with other geotechnical sensors such as piezometers, inclinometers, and extensometers, providing a comprehensive monitoring solution.

How do I access the data collected by the GNSS Meter?

Data collected by the GNSS Meter can be accessed through CMT Edge. It can also be exported to third-party software via MQTT, REST API, or FTP.

How does the GNSS Meter compare to other traditional monitoring systems?

The GNSS Meter offers several advantages over traditional monitoring systems, including greater precision, easier installation, and long-term operation without the need for frequent maintenance or external power sources. It also enables real-time or near-real-time data transmission, improving response times for detecting potential issues.

Need more info or support? Talk to an expert

GNSS Meter Live Q&A

Learn what makes the GNSS Meter the best alternative for long-term monitoring in construction and mining activities where millimetric precision is needed. We will be talking about its key features, basic setup process and some use cases.

Watch now

What they say about us

Discover how Worldsensing has made a positive impact, providing reliable solutions and exceptional support.

Worldsensing is very easy to use. I think the most important benefit is the wireless connection. This cable-free product is great for locations like tunneling sites. Read success story

Erdmann Jacobeit
Terra Vermessungen

It’s 100% satisfaction. Our client keeps coming back and asking for more digital nodes. The return on investment is easily less than a year for this. Read success story

Adam Dulmage
Businesss Development Executive, Mining sector, GEO-Instruments Canada (formerly GKM Consultants)

Worldsensing's IoT technology enables wireless, automated collection of sensor data in the mines for a safer and more work-efficient workplace. Read success story

Sudaryono Widodo
Founder and Director, Solusi Monitoring Indonesia

The integration and reporting have been seamless and highly reliable since the start of our project. Trust in the structural health monitoring system lets the mine owner focus on the next steps of the mine construction. Read success story

Vincent Le Borgne
Mining R&D Manager, GEO-Instruments Canada (formerly GKM Consultants)

Using Worldsensing loggers and gateways has enabled us to increase the size and quality of our continuous ground monitoring network throughout the mine, while still remaining efficient about time and resources required.

Darren Neely
Senior Rock Mechanics Engineer, Vascoy Potash, Nutrien

Worldsensing solution has proven to be a game-changer in our project, exemplifying our commitment to innovation and safety in the field of slope monitoring. We continue to lead the way in technological advancements for a safer, more reliable transportation network. Read success story

Leon Hsieh
Manager, Sanlien Technology

Everything with the solution is almost plug and play. If there is any budget increase in you buying additional equipment, you will save on manpower easily. Worldsensing is reliable, it’s quick, and for that reason you’re able to cut back on a lot of costs. Read success story

Tyree Williams
Sales Manager, Specto Technology

Worldsensing is very easy to use. The most important benefit is the wireless connection, in combination with the long range and the low-power consumption.

Erdmann Jacobeit
Terra Vermessungen