VW Spot Weldable Strain Gage


The Model 4100/4150 Strain Gage has a 51 mm gage length (3000 µε range, 1 µε sensitivity) and is designed to measure strains in steel structures (4100) and on reinforcement bars (4150) where space may be limited.


  • Proven and reliable vibrating-wire technology 
  • Attached with Capacitive Discharge Welder 
  • Stable long-term output 
  • Suitable for very long instrumentation cable 
  • Stainless steel construction resists corrosion 
  • On-board thermistor 


  • Bridges 
  • Pipelines 
  • Buildings 
  • Steel piles 
  • Reinforcement bars 


Standard Range3000 µε
Resolution0.4 µε
Accuracy1±0.5% F.S.
Nonlinearity<0.5% F.S.
Temperature Range2−20 °C to +80 °C
Active Gage Length51 mm
  1 ±0.5% F.S. with standard batch calibration. ±0.1% F.S. with individual calibration. Accuracy established under laboratory conditions. 2 Other ranges are available on request.


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