Borehole Extensometer

Borehole Extensometer

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.

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Specifications
Options & Accessories

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

specifications

Standard Range up to 100 mm
Least Reading 0.025 mm
Borehole Diameter 35, 44, 51, 64 mm
Maximum Length 10 m

Options & Accessories