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Multiple Point Rod Extensometers - Model A3

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.

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



Geokon, Incorporated, 48 Spencer Street, Lebanon, New Hampshire, 03766 · USA. Tel.: 1(603)448-1562, FAX: 1(603)448-3216, e-mail:

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