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BOREHOLE ROD EXTENSOMETER
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Osprey measurement

IPX IN-PLACE EXTENSOMETER

The In-Place Extensometer (IPX) offers automated monitoring of standard magnetic extensometer installations. The system is designed for a simple, adaptable installation with a single cable connection at the top of the borehole. Its large measurement range accommodates large levels of settlement or heave, and ease of adjustment means it can be reconfigured for changed site conditions such as embankment filling or cutting.

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Description
  • Compatible

The IPX can be installed in most standard magnetic extensometer installations. It is compatible with most leading digital geotechnical data loggers and its low power consumption allows over 50 sensors to be connected to a single battery powered logger.

  • Adaptable

Easily raised through fill or reduced with cutting – the IPX’s distinct bottom-supported configuration allows easy extension or reduction without interfering with the existing sensors.

  • Adjustable

A unique coiled cable system allows adjustment of the sensor spacing according to site conditions. The cable’s coiled section allows 500mm of adjustment to the sensor’s position within the borehole.

Additional information
Brands

Range

400mm
Resolution

0.1mm
Accuracy

±0.5mm
Signal output

Digital RS-485, Modbus
Power supply

4-30VDC
Power consumption (idle/ active)

229mW/ 87mW
Time per measurement (warm-up/ reading)

20.3 seconds/ 2 seconds
Temperature range

-40°C to 80°C
Max sensors per string

27
Max length of string

100m
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About brand
Osprey Measurement Systems was founded in partnership with University College London’s Civil, Environmental and Geomatic Engineering Department, with the goal of applying innovative measurement techniques to monitoring challenges within the civil and geotechnical engineering space. Their products are designed, developed, and manufactured in the UK under a certified ISO-compliant quality management system. With a wealth of experience managing geotechnical and structural monitoring programs, Osprey’s management place a key emphasis on
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