VW SOIL EXTENSOMETER
The GEO-XS VW Soil Extensometer monitors lateral and longitudinal deformation of soil and different types of embankments and embankment dams.
It comprises a displacement transducer connected to an extension rod and fixed between a pair of anchor beams.
Description
The assembly is housed in and protected by an external telescopic sleeve. To form a ‘Chain Extensometer’, Soil Extensometers are linked together, in series, using the anchor beams as connectors.
The internal sensing element is housed within an outer PVC sleeve which is sealed by O-rings at each end. The sleeve, with telescopic sections with O- ring seals, is extended along the whole length of the rod to the next anchor.
As structural movement occurs, the rod is moved within the housing. The shaft movement changes the tension in the sensor spring which, in turn, changes the tension in the Vibrating Wire.
Different combinations of anchor spacing (Gauge Length) and sensor range can we used to provide an optimum sensing accuracy and range. i.e. for maximum strain resolution, a shorter transducer length will provide the best results. For maximum deformation, use a longer transducer or a shorter gauge length.
Additional information
| Brands | |
|---|---|
| Gauge Length |
1m |
| Extension Kit |
1m |
| Sensor Range |
100, 150, 200, 300, 500mm |
| Accuracy |
+/- 0.10 % |
| Resolution |
0.025% FS |
| Non Linearity |
0.5% FS |
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About brand
Geosense Ltd is one of Europe’s leading manufacturers and suppliers of instruments to the geotechnical, civil engineering, mining and environmental industries.
Geosense products are used globally in major projects in more than 68 countries. With a comprehensive in-house design and manufacturing capability, we can provide products not only to tight deadlines but also to suit custom-engineered solutions for specific project requirements.
Geosense specialises in the manufacture of vibrating wire and MEMS sensors, which are used to produce a wide range of instruments. In addition we manufacture automated data acquisition systems to complement our sensors, including wireless systems.
Data Sheets
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