The Locator One GNSS sensor provides automated monitoring of settlement and lateral displacements. Datasheet
Locator One GNSS Sensor
The Locator One is a compact, self-powered sensor that combines a GNSS receiver, ground-facing radar, and cloud connectivity. It autonomously acquires and transmits geodetic observations to the Cloud.
The cloud server processes the observations, applies adjustments, and outputs absolute coordinates. Changes from baseline coordinates reveal the magnitude and direction of displacements.
A GeoCloud project website presents the data visually in map views and graphs and sends out alerts if alarm thresholds are exceeded.
Locator One Applications
- Automating measurements of settlement plates.
- Monitoring horizontal displacement of earth retention structures such as MSE walls or sheet pile walls.
- Monitoring slope stability at open pit mines, tailings dams, and highway cuts.
- Monitoring displacement and settlement of buildings and utilities near excavation and tunneling projects.
Locator One GNSS sensor installed on settlement plate riser.
Locator One GNSS sensor clamped to sheet pile.
Locator One GNSS sensor installed on pipe to monitor slope.
Locator One GNSS sensor installed on structure.
Locator One Advantages
For many applications, Locator One GNSS sensors compete favorably with AMTS systems and also with simple tiltmeters. Some advantages of GNSS sensors include:
- High-precision 3D Measurements.
- Less equipment needed on site.
- No line-of sight or distance issues.
- No problems with fog, rain, or snow.
- Simple to install, simple to use.
- Customer installs possible.
- Very little maintenance required.
Locator One Specifications
Post Processed Precision:
±2mm horizontal, ±4 mm vertical.
Signal Collection: 186 channels to receive signals from GPS, GLOSNASS, Galileo, QZSS, and BeiDou satellites.
Reporting Intervals: 12 or 24 reports per day.
Weather Rating: IP 65 for water ingress, -4 to 140 °F for temperature.
Power: Supercapacitor charged by built-in solar panel. Supercapacitor alone provides 8 months of power.
Ground-Facing Radar: Millimeter precision when used with base plate as target.
Technology and specifications courtesy of Basetime B.V.
Installation Requirements
Cellular Connection: Cellular connectivity is required. Each sensor connects independently via its built-in universal SIM.
Reference Point: One sensor should be installed at a stable location outside the zone of influence. It serves as a reference point.
Monitoring Points: One sensor is installed at each monitoring point. There is no practical limit for the number of monitoring points.
Clear Horizon: Ideal locations for sensors have a clear horizon with no obstacles above an elevation of 10°. This is particularly important for the reference point.
Mounting Hardware
Threaded Mounting Plate: Connects sensor to 1-inch diameter riser pipe.
Riser Pipe: Elevates sensor for better view of the sky. 1-inch diameter pipe, threaded at one or both ends. Supplied to required length or sourced locally.
Base Plate for Structures: Anchors riser pipe to horizontal surface of a structure. Has threaded fitting for
1-inch riser pipe and holes for mounting bolts.
Settlement Plates: Standard settlement plate components. Includes threaded mounting plate above. See Settlement plates
Mounting Plate with Clamp: Clamps sensor to vertical elements such as a sheet pile.
Request a Quote
Help Notes for Quote Request
Number of Sensors: number of monitoring points + 1 reference point.
Measurements per Day: Choose 12 or 24.
Coordinate System:
Relative to installed location provides accurate measurements that are not tied to the project grid. No survey or geodetic knowledge is required.
Aligned to project grid provides measurements that are tied to the project grid. This requires knowledge of the coordinate system in use and the location of the reference point within that coordinate system.
Installation Services
Choose Required if you want GEO to install and configure the sensors. Choose Not Required if you will install by yourself.
About Contact Information
Click the contact information tab to enter your contact information and submit the form. The contact information is needed to generate a quote. In most cases, we'll also need to talk to you to learn some details of your project and the kind of mounting hardware you will need.