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Extensometers

Model 1150 (A-3) Multiple Point, Rod, Groutable | Discontinued

Model A-3 Multiple Point Rod Extensometer, shown as used for installations in stiff clays or sandy soils (this product has been discontinued).
  • Model A-3 Multiple Point Rod Extensometer, shown as used for installations in stiff clays or sandy soils (this product has been discontinued).
  • Model A-3 Multiple Point Rod Extensometer, shown as used in vertically downwards or inclined downwards installations in rock (this product has been discontinued).
  • Model A-3 Multiple Point Rod Extensometer, shown as used in overhead or inclined upwards installations in rock (this product has been discontinued).
  • Model A-3 Multiple Point Rod Extensometer, shown as used in concrete pile (in-place) installations (this product has been discontinued).
  • Model 4450 Vibrating Wire Displacement Transducer, used for remote readout of Geokon extensometers (this product has been discontinued).
  • Groutable Extensometer Anchors, for use with the Model A-3.
SKU:
Model 1150 (A-3)

The Model A-3 Multiple Point Rod Extensometer is the preferred design for installation in downward directed boreholes which are easily filled with cement grout. Up to eight anchors can be installed, at various depths, in a 76 mm diameter borehole providing the capability to locate multiple failure planes and zones of movement.

The Model A-6 has been replaced by the Model 1100 Rod Type Borehole Extensometer.

Specifications

Standard Range
up to 300 mm nominal
Least Reading
0.025 mm
Borehole Diameter
76 mm or over
Maximum Length
100 m

Please Note: GEOKON maintains an ongoing policy of design review and reserves the right to amend products and specifications without notice. Various instruments are discontinued over time and replaced with new, updated models.

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