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In-place Inclinometer

The Geosense® In-Place Inclinometer System (IPI) measures tilt and is used to calculate rotation and/or displacement in a vertical, inclined, or horizontal orientation. It is available in either a Uniaxial or Biaxial version.

The system consists of a series of wheeled sensors placed at various depths within the casing which are connected together either with extension rods or wire rope.

A digital bus system consisting of one single cable runs the length of the chain of connected sensors eliminating the need for a separate cable for each sensor and thus reducing the amount of cable required.

The extension rod system (IPI-ER) uses specially-designed connection rods to link sensors which allows them to move independently to each other without influencing the sensors above or below. This provides a profile of displacement over the complete length of the installation and the extension rod lengths can be varied to suit individual gauge length requirements. Sensors can also be concentrated in areas where movement is expected.

The wire rope system (IPI-WR) is used where only specific zones are of interest rather than the profile of the entire borehole.

Range - Vertical ±15° from vertical
Range - Inclined ±15° from 45°
Range - Horizontal ±15° from horizontal
Axis Uniaxial and biaxial
Output Signal RS-485 Digital bus
Resolution 2 arc sec (±0.01mm/m)
Operating Temperature -40 to ­+85°C
Compatible Casing Sizes 70-85mm