In-Place Tilt Meter

Australia Tel: +61 (0)3 8720 6700
Indonesia Tel: +62 21 3040 4422
New Zealand Tel: +64 (0)7 850 2610
South Africa Tel: +27 (0)10 900 2055

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Description

In-Place Tilt Meters measure tilt in either one or two axial planes perpendicular to the surface of the base plate. Central to the tilt meter is a MEMS (Micro-Electro-Mechanical System) sensor that provides proven installation longevity and reliability. The unit is intended to be permanently installed to provide long-term observation with maximum resolution and sensitivity, and is conveniently designed for manual monitoring or remote data acquisition.

In-Place Tilt Meter systems consist of a tiltmeter mounting plate (horizontal or vertical), electrical cable, and a data logger or readout. The tiltmeter may either be uniaxial or biaxial and can be supplied with a digital (RS-485), analogue voltage, or 4-20 mA output. The electronics are housed in a NEMA 4X (IP-65) enclosure for environmental protection, which is typically bolted or bonded to the structure under monitoring.

Applications

  • Monitor tilt of retaining and building walls.
  • Tilt of concrete dams.
  • Structural load testing.
  • Landslide Monitoring.
  • Building safety along adjacent excavations.
  • Applications where the failure mode is expected to have a rotational component.
  • Observation of benches and berms in open pit mines.
  • Bridge pier monitoring
  • Ground subsidence.

Specifications

  • Range(˚): ±15
  • Digital Tilt Meter Resolution: ± 2 Arc Sec. (± 0.0006˚) (0.01 mm/m)
  • Digital Tilt Meter Non-linearity: ± 0.0125% F.S (± 0.002˚) (0.03 mm/m)
  • Operating Temperature (˚C): -40 to 85
  • Dimensions (mm): 80 x 80 x 61