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Geosense Horisontal In-place Inclinometer

Geosense horisontal In-place Inclinometer (IPI) er designet for å måle vertikal bevegelse i grunnen som følge av bygge-og anleggsaktivitet, som eksempelvis gravearbeid og setning rundt tunneler, dammer, fyllinger og deponier.

  • Monteres i foringsrør som plasseres i et borehull, eller festes til en struktur
  • Benytter MEMS sensorer innesluttet i en rustfri stålkonstruksjon
  • Uni-aksiale og bi-aksiale alternativer


Geosense/RST Horizontal In-place MEMS Inclinometer is designed to remotely monitor, and continuously measure, underground vertical movement as a result of construction and excavation and any settlement that may occur around tunnels, dams, embankments and landfills.

In-place inclinometers consist of one or more MEMS inclinometer sensors housed in a 31.75 mm diameter, water-tight, stainless steel enclosure. Each sensor is separated from the next by stainless steel rods and wheel assemblies. Rod lengths can be varied to alter the gauge length and sensors can be concentrated in areas of expected movement.

Wheel assemblies are sized to fit 70 mm or 85 mm O.D. inclinometer casing. As movement occurs and the inclinometer casing deforms, each sensor can be automatically monitored and can be read at a remote readout location. If necessary, an alarm can be triggered when movement reaches a preset critical rate or magnitude.

  • Range: ±15° from horizontal (other ranges available on request)
  • Axis: Uniaxial and biaxial
  • Output: RS-485 digital BUS
  • Resolution: ±2 arc sec (±0,01 mm/min)
  • Non linearity: ±0.0125% FS (0,03 mm/min) (±0,002°)
  • Sensor type: MEMS (Micro-Electro-Mechanical-Systems)
  • Sensor dimensions: 500 mm length x 32 mm Ø
  • Sensor rating: IP68 (12 bar)
  • Operating temperature: -40 to +85°C
  • Casing size: 70-85 mm (others available on request)

  • Standard sensor: 70 to 85 mm casing
  • Bottom sensor: 70 to 85 mm casing
  • Cable: To suit gauge length

Extension Rods
  • Gauge length (rod + sensor): 1,0, 1,5, 2,0, 2,5, 3,0 m
  • Rod length: 0,5, 1,0, 1,5, 2,0, 2,5 m

  • Top hanger: For 70 or 85 mm casing
  • Wire hanger extension: Variable length
  • Top wheel assembly: For 70 or 85 mm casing

  • Sensor housing: Stainless steel
  • Extension rods: Stainless steel
  • Cable type: 2 twisted pair, braided, PUR sheath
  • Cable diameter: 5,6 mm

  • Number of installations
  • Depth of installations
  • Sensor spacing per installation
  • Casing diameter
  • Safety support rope
  • Dead end pulley

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