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Strain Gauges

Arc Weldable (VW) | Model 4000

Model 4000 Arc Weldable Vibrating Wire Strain Gauge.
  • Model 4000 Arc Weldable Vibrating Wire Strain Gauge.
  • Model 4000-8 Welding Jig and Spacer Bar installation tools (used during strain gauge installation).
  • Model 4000-5 Concrete Mounting Blocks (optional).
  • Model 4000-6 Galvanized Steel Cover Plate (optional).
  • Model 4050 Arc Weldable Vibrating Wire Strain Gauge, with a 12" active gauge length.
  • Model 4000 and Model 4000-5 concrete mounting block dimensions.
SKU:
Model 4000

The Model 4000 Strain Gauge is designed primarily for arc welding to steel structures such as tunnel linings, excavation bracing, piles and bridges. The standard gauge has a 150 mm gauge length (longer or shorter versions are also available), a 3000 µε range and a 1 µε sensitivity. Also available are the Model 4000-16 and 4000-17 extended range versions, which are designed for measuring large strains of up to 5,000 µε and 10,000 µε respectively. The gauge can be adapted for bonding to concrete or for bolting to steel surfaces by modification of the end blocks.

Specifications

Standard Range
4000 | 3,000 µε
4000-16 | 5,000 µε
4000-17 | 10,000 µε
Resolution
4000 | 1.0 µε
4000-16, 4000-17 | 2.0 to 5.0 µε
Accuracy
4000 | ±0.5% F.S.¹
4000-16, 4000-17 | ±0.5% F.S.
Nonlinearity
4000 | <0.5% F.S.
4000-16, 4000-17 | ±2.5-4.0% F.S.
Temperature Range²
−20°C to +80°C
Active Gauge Length³
150 mm

¹±0.5% F.S. with standard batch calibration. ±0.1% F.S. with individual calibration. Accuracy established under laboratory conditions.

²Other ranges available on request.

³Other lengths available on request.

Compatible Readouts and Dataloggers

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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