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In-Place Inclinometer

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The In Place Inclinometer (IPI) is designed for near vertical borehole applications, the principal operation and data obtained are similar to the traversing type inclinometer systems such as the portable Digital Bluetooth Inclinometer systems.

The In-Place Inclinometer (IPI) is used to measure lateral displacement within a borehole.

Most commonly, the IPI is used in a system where multiple IPIs are installed at varying depths. In this manner the profile of the displacement can be monitored.

The IPI itself consists of one or two (uniaxial or biaxial) MEMS tilt sensors mounted in a stainless steel housing. Each sensor incorporates an on-board microprocessor which performs an automatic temperature compensation of the tilt (g) data.

Product Features:

• Sensor strings give a readily automated profile of vertical or horizontal displacements
• Accurate and precise measurements using MEMS sensors
• Available in Uniaxial and Biaxial versions
• Inbuilt temperature compensation
• Stainless steel construction, waterproof to 2000kPa

The sensor itself is a small discrete device which measures in g (gravity). The sensors are powered and read by a data logger such as the Campbell Scientific CR1000. Argus software can produce a near real time profile of displacement that is constantly updated.

Product Benefits
• Easy to automate using data acquisition systems and Argus software
• Removes the need for manual monitoring
• Recoverable and reusable
• Suitable for safety critical applications
• Low power consumption

Ordering Information:

In-Place Inclinometer Sensor (uniaxial)
Includes sensor in 32mm diameter stainless steel housing
C12-1.6 Vertical uniaxial ±52.3mm/metre (±3 arc degrees)
C12-1.1 Vertical uniaxial ±87.2mm/metre (±5 arc degrees)
C12-1.2 Vertical uniaxial ±173.6mm/metre (±10 arc degrees)
C12-1.7 Vertical uniaxial ±258.8mm/metre (±15 arc degrees)
C12-1.5 Horizontal uniaxial ±87.2mm/metre (±5 arc degrees)
C12-3.1 Wheel assembly; one per sensor, for 70mm OD casing
CA-3.1-4-IC Instrument cable 4 core, 7/0.20; screened, priced per metre, polyurethane jacket, for use with uniaxial sensors

In-Place Inclinometer Sensor (biaxial)
Includes sensor in 32mm diameter stainless steel housing
C12-1.8 Vertical biaxial ±52.3mm/metre (±3 arc degrees)
C12-1.3 Vertical biaxial ±87.2mm/metre (±5 arc degrees)
C12-1.4 Vertical biaxial ±173.6mm/metre (±10 arc degrees)
C12-1.9 Vertical biaxial ±258.8mm/metre (±15 arc degrees)
C12-3.1 Wheel assembly; one per sensor, for 70mm OD casing
CA-3.1-6-IC Instrument cable, 6 core, 7/0.20; screened, priced per metre, polyurethane jacket, for use with biaxial sensors

In-Place Inclinometer Extension Tubes
Includes rod end and fixings, one per sensor, minus one per hole
C12-2.1 1 metre gauge length
C12-2.2 2 metre gauge length
C12-2.3 3 metre gauge length
In-Place Inclinometer Top Support and Termination Wheel Assembly
One per borehole. Includes: top of borehole support; support rod; non-articulated wheel assembly; final gauge tube & fixings. For 70mm outer diameter casing
C12-4.1 1 metre gauge tube
C12-4.2 2 metre gauge tube
C12-4.3 3 metre gauge tube
C12-7.1 Installation tool kit for standard IPI system; tool box includes: metric Allen keys, pliers, screwdriver, wire cutters, M6 nut spinner, knife, cable ties, spare nuts, hammer and bolts

In-Place Inclinometer Top Support and Termination Wheel Assembly For GRP Rod Suspension
One per borehole. Includes: top of borehole support; support rod; non-articulated wheel assembly; final gauge tube & fixings. For 70mm outer diameter casing
C12-6.1 1 metre gauge tube
C12-6.2 2 metre gauge tube
C12-6.3 3 metre gauge tube
C12-7.3 Fibreglass rod for suspension; priced per metre, not recommended for use over 30 metres
C12-7.2 Installation tool kit for GRP rod IPI system; tool box as C12-7.2 including adhesive, hand drill and 2.5mm diameter drill

In-Place Inclinometer Discontinuous Extension Tubes For GRP Rod Suspension
Includes rod ends and fixings, one per sensor, minus one per hole
C12-6.4 1 metre gauge length
C12-6.5 2 metre gauge length
C12-6.6 3 metre gauge length

Installation Tools
C12-7.4 Manual IPI readout

Manual
MAN-186 In-Place Inclinometer Manual