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Single Point, Rod, Mechanical | Model 1050 (A-1)

  • Model A-1 Single Position Rod Extensometer, as installed in an upward directed borehole.
Model 1050 (A-1)

The Model A-1 Single Position Rod Extensometer is a very simple, rugged and reliable instrument, easily installed and completely recessed within the borehole for optimum protection. The Model A-1 is a natural first choice for monitoring the safety in and around tunnels and mine openings.

Options are also available with electrical transducers for remote readout and/or continuous monitoring (please contact GEOKON for details).


Standard Range
up to 100 mm
Least Reading
0.025 mm
Borehole Diameter
35, 44, 51, 64 mm
Maximum Length
3 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.