VW-402 / VW-802 / VW-1602
4G Vibrating Wire Data Acquisition RTU
The VW-402, VW-802 and VW-1602 are multi-channel vibrating wire data acquisition RTUs designed for remote geotechnical and infrastructure monitoring.
Available in 4-, 8- and 16-channel configurations, they combine vibrating wire measurement with digital sensor integration, local data storage, edge processing, alarm management and remote configuration. Communication options include 4G or LoRa, depending on the selected version.
The system supports multiple sensor types and protocols for applications such as dam safety, bridge monitoring, slope stability, tunnels and hydrological monitoring.
Multi-Channel High-Precision Vibrating Wire Signal Transmitter
VW-401/ VW-801 / VW-1601, RS485
The VW-401, VW-801 and VW-1601 are multi-channel vibrating wire data acquisition devices available in 4-, 8- and 16-channel configurations. Designed for automated geotechnical and structural health monitoring, the series uses FFT and phase-difference processing to measure vibrating wire sensor signals. It offers a frequency resolution of 0.03 Hz, specified accuracy of ≤0.1 Hz, RS485 Modbus RTU communication and a 7–32 VDC power supply. The scalable channel configurations support monitoring systems requiring multiple sensor inputs.
VW-201 | Single-Channel Vibrating Wire Data Logger
The VW-201 is a single-channel vibrating wire data acquisition module for geotechnical and structural health monitoring systems. It uses FFT-based frequency measurement and automatic signal excitation to acquire vibrating wire sensor readings, with a theoretical frequency resolution of 0.03 Hz, frequency accuracy of ≤1 Hz and measurement time of ≤100 ms. The RS485 interface and Modbus RTU protocol support integration with RTUs, gateways and monitoring platforms. OEM firmware and customized communication protocols are available.
VW-201-PCB | Vibrating Wire Data Acquisition PCB Module
The VW-201-PCB is a compact vibrating wire data acquisition module designed for integration into automated monitoring equipment and OEM systems. It supports vibrating wire frequency measurement, temperature measurement and standard Modbus communication. With a wide 9–30 V power supply range and low average current consumption, it is suitable for customized engineering monitoring hardware and embedded data acquisition applications.
