Wi-SOS 480 Vibrating Wire Node

The Wi-SOS 480 vibrating wire (VW) one- and five-channel data nodes easily connect vibrating wire instruments such as piezometers, load cells, strain gauges and pressure cells to the internet.



The vibrating wire data nodes are autonomous battery-powered devices with C-size batteries that can last up to 10 years with minimal to zero maintenance required. The units may also be used as standalone nodes for manual monitoring and can be easily configured and connected with a USB cable and an Android phone.
Vibrating wire sensors are widely used in geotechnical. hydrological and structural monitoring because of their robustness and lang term stability. The VW data nodes provide accurate measurements of the vibrating wire sensors and their thermistors.
The data nodes have an internal barometer which collects and transmits barometric pressure data with each reading. This compensates for changes in atmospheric pressure that vibrating wire sensors, particularly piezometers, are usually subjected to in various applications. This feature also eliminates the need for an external barometric sensor in order to acquire accurate measurements.

Case Studies

M6 Junction 10

Walsall Council is working in partnership with Highways England to improve Junction 10 of the M6.
As a busy route between Walsall and Wolverhampton, the junction is often heavily congested. This impacts on local residents and businesses, and has reduced the attractiveness of the local area for investment, including the nearby Black Country Enterprise Zone.
Plans include the widening and redevelopment of two bridges and improvement of the junction.
Traffic management was required to access the locations and potential weather effects on the slopes could have made in-situ data reading difficult. As the piezometer installation was split across both sides of the carriageway, data download could also have been very time-consuming.
Selection of a wireless system avoided any impact from these site-specific problems. The client was impressed with the range of the system even when the nodes were housed inside locked upright security covers.
M6 Junction 10 Case Study

Mersey Gateway Project

The Mersey Gateway brings much-needed traffic relief for the existing Silver Jubilee Bridge and leads the infrastructure investments required to deliver regeneration of Halton and the North West.
More than 80,000 vehicles use the Silver Jubilee Bridge every weekday – ten times the number it was originally designed for. This extra traffic puts the congested and ageing Silver Jubilee Bridge and the resilience of the regional road network under severe pressure.
The new bridge is designed to carry up to six traffic lanes forming part of a new and improved high standard road (9.5km long) connecting north Widnes and Merseyside with Runcorn and the national motorway network in north Cheshire.
The design of the new Mersey Gateway Bridge is based on a cable-stay structure similar to the second Severn Crossing, but with three towers. It will be 2.3km long with a river span of 1km. The main bridge deck will be made from reinforced concrete and the spans will be supported by steel cable stay.
Mersey Gateway Project Case Study

River Humber Gas Pipeline Replacement Project

Work has been carried out on a £100m project to create a tunnel under the River Humber to carry one fifth of the UK’s gas supply to millions of homes.
The three-mile tunnel houses a new gas pipeline running between Goxhill in North Lincolnshire and Paull in East Yorkshire and was expected to take a year to build. National Grid needed to replace the current pipeline, which is in a trench just below the river bed and is at risk of being exposed by the tides.
The crown of the TBM passed 7m underneath an existing in-service gas pipe, approximately 10” in diameter and a few hundred meters from the reception shaft on the Paull side. On this existing gas pipe in-service, three spots were monitored for changes in strain as the pipe falls in the zone of influence of the TBM.
River Humber Gas Pipeline Replacement Project Case Study


Wi-SOS 480 Vibrating Wire Node Datasheet

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