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Extensometers

Multiple Point, Rod, Hydraulic | Model 1250 (A-5)

  • Model A-5 Multiple Point Rod Extensometer, shown as used in overhead or inclined upwards installations in rock.
  • Model A-5 Multiple Point Rod Extensometer, shown as used in vertically downwards or inclined downwards installations in rock.
  • Model A-5 Multiple Point Rod Extensometer, shown as used with Borros (hydraulic) Anchors for installations in soft clays.
  • Flangeless type head assembly installation, as used with the Model A-5 Multiple Point Rod Extensometer.
  • Hydraulic Anchor for use with the Model A-5 Multiple Point Rod Extensometer.
  • Model A-5 Flexible Rod Extensometer, with flangeless type head assembly.
SKU:
Model 1250 (A-5)

The Model A-5 Multiple Point Rod Extensometer with Hydraulic Anchors is recommended for use in soft ground and soils or in rock where the borehole may deteriorate. This anchor is very versatile and can be used in boreholes of varying diameter and roughness oriented in any direction.

Specifications

Standard Range
up to 300 mm nominal
Least Reading
0.025 mm
Borehole Diameter¹
38 to 102 mm
Maximum Length
100 m

¹Note that the size of the hole required increases with the addition of more measuring points.

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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