Select variation:
Vibrating Wire Data Logger
The Worldsensing Vibrating Wire Data Loggers automate data collection by connecting vibrating wire instruments such as piezometers, load cells, strain gauges and pressure cells wirelessly to monitoring systems. With up to 25 years of unattended operation and LoRa-based communication ranges of up to 15 km, they provide robust, reliable performance for large-scale geotechnical and structural health monitoring (SHM) projects.
Download Materials
Product information:
Key Features
- Wireless data streaming from leading vibrating wire sensor manufacturers
- LoRa radio communications with up to 15 km range
- Low-maintenance design with battery life up to 25 years
- Integrated thermistor in every channel
- Internal barometer for pressure compensation
- Rugged IP68-rated protection for harsh environments
- Flexible monitoring options with 1 channel and 5 channel variants
- Advanced device management features to detect sensor connectivity and reduce noise interference
Applications
Geotechnical monitoring
- In-ground horizontal movements over the profile of the hole
- Cross-crack movements
- Paste backfill monitoring
- In-ground displacement between anchors within a borehole
- Total pressure in soils and contact soil pressures
- Pore water pressure and level
Structural health monitoring
- Radial and tangential stresses in concrete tunnels
- Strain and stress in steel arch supports
- Movements across surface cracks
- Loads and movement in beadings and joints
Remote process monitoring
- Superficial drainage
- Open channel flow and pond level monitoring
Variants
- LS-G6-VW 1 Channel, external antenna
- LS-G6-VW 5 Channel, external antenna
Technical Specifications
- Input types: Vibrating wire and thermistor per channel
- Memory: 73 500 readings for 5 channels
- 200 000 readings for 1 channel
- Operating temperature: -40º C to 80º C
- Weather protection: IP68
- System configuration: Locally via Worldsensing App or remotely using CMT Edge for single-net deployments and CMT Cloud for multi-net deployments
Vibrating Wire
- Measurement method: Embedded algorithms increasing immunity to noise
- Excitation wave: ±5 V
- Measurement range: 300 to 7000 Hz
- Accuracy: from 0.008% to 0.013% (depending on frequency sweep range)
- Resolution: <0.01 Hz (depending on frequency sweep range)
Thermistor
- Measurement range: 0 Ω to 4 MΩ
- Resolution: 1 Ω
- Accuracy (20º Cº): 0.05º c (0.04% FS)
Barometer
- Pressure range: 300 to 1 100 hPa
- Relative accuracy: ±0.12 hPa (700 to 900 hPa at 25° C)
Battery life estimations
| Reporting period | 1-ch,1 cell | 5-ch, 4 cells |
| 5 min | 1.7years | 4.6 years |
| 1 h | 8.6 years | 22.7 years |
| 6 h | 12.5 years | >25 years |
Related products
Laser Tiltmeter
The Worldsensing Laser Tiltmeter is a 3-in-1 device combining laser distance meter, inclinometer and data…
Vibration Meter
The Worldsensing Vibration Meter is a wireless 3-axis MEMS accelerometer designed for continuous, long-term vibration…
Tiltmeter Event Detection
The Worldsensing Tiltmeter Event Detection is a smart, 3-axis wireless tiltmeter designed to identify ground…
