OEP-C Fiber Optic Extensometer

Multi-sensor configuration available

About the OEP-C Fiber Optic Extensometer

The Fiber optic extensometer sensor OEP-C is designed for concrete embedment and has the well-known Fiber Optic characteristics. (Intrinsically safe, oustanding repeatability, long term monitoring and maintenaince free without drifting over time.)

Features OEP-C

  • Maintenance free without drifting over time
  • Outstanding repeatability
  • Insensitive to transverse strains
  • Intrinsically safe
  • No temperature compensation required

Applications for OEP-C

  • Pile testing
  • Dam and tunnel surveillance
  • Structural integrity of bridge and viaduct
  • Road pavement instrumentation
  • Foundation monitoring in high voltage environments
  • Concrete structure in nuclear and hazardous environments


Measurement range
±1000µε, ±2500µε
0,15 µe
Operating temperature
-40°C to +60°C (other temperatures available on request)
Temperature sensitivity
Temperature insensitive
Transverse strain range
Transverse strain insensitive
Cable length
Up to 3km
Optical connector
SCA (standard), SC (standard), other connector available
Signal conditioner compatibility
All WLPI signal conditioners
Linearity, repeatability and hysteresis error (combined)
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