Model 4000

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Arc Weldable (VW)

The Model 4000 Strain Gauge is designed primarily for arc welding to steel structures such as tunnel linings, excavation bracing, piles and bridges. The gauge has a 150 mm gauge length (longer or shorter versions are also available), a 3000 µε range and a 1 µε sensitivity. The gauge can be adapted for bonding to concrete or for bolting to steel surfaces by modification of the end blocks.


Standard Range¹: 3000 µε
Resolution: 1.0 µε
Accuracy²: ±0.5% F.S.
Nonlinearity: <0.5% F.S.
Temperature Range³: −20°C to +80°C
Active Gauge Length³: 150 mm

¹Also available with 5,000 or 10,000 µε range (please contact GEOKON for details).

²±0.5% F.S. with standard batch calibration. ±0.1% F.S. with individual calibration. Accuracy established under laboratory conditions.

³Other ranges and lengths available on request.