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PRESSURE TRANSDUCER VWT-9000 SERIES
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STRAIN GAUGE PIEZOMETER SGP-3400 SERIES
Geosense

DRIVE-IN PIEZOMETERS WP-3400 & SGP-3500 SERIES

Drive-in piezometers, also referred to as push-in piezometers, are designed for installing in soft clays, organic or fine grained cohesionless soils typically with a SPT-N value less than 10. They are available with a CPT fitting or 1” BSP thread.

Depending on the depth and type of soil, they can either be pushed directly into the soil from ground level to the required depth or pushed into the base of a CPT test or drilled borehole.

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Description

Installation is carried out by using CPT or conventional drill rods onto which is fitted a special adaptor that fits onto the top of the piezometer allowing it to be pushed to depth and the rods retrieved. Adaptors are available to suit most sizes and thread types of rods used for Cone Penetrometer Testing including R32 and reverse threads.

Alternatively 1” BSP galvanised pipe connected directly onto the top of a piezometer with a 1” BSP thread can be used and is sometimes used as a sacrificial pipe left within the borehole.

Additional information
Brands

Pressure Range

100 kPa to 3.5 MPa
Over Range

1.5
Accuracy

<0.1% FS
Temperature range

-20 to +80°C
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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.
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