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SOFO Standard Deformation Sensor

SMARTEC - SOFO Standard Deformation Sensor - LONG-GAUGE DEFORMATION SENSOR ROBUST AND TEMPERATURE INDEPENDENT
SMARTEC – SOFO Standard Deformation Sensor

For surface mounting or embedding in concrete and mortars. Ideal for long-term structural deformation monitoring. 20 year track record in field applications.

The SOFO deformation sensors are transducers that transform a distance variation into a change in the path unbalance between two optical fibers that can be measured with a SOFO VII Reading Unit.

The sensor is composed of two main parts: active and passive. The active part contains the reference and the measurement fibers and measures the deformations between its two ends.The passive part is insensitive to deformations and is used to connect the sensor to the Reading Unit. The output is terminated with an E-2000 connector with a built in protective cover.The sensors can be quickly and easily surface mounted or directly embedded in concrete and mortars.

Applications
  • Bridge Structural Health Monitoring
  • Building monitoring
  • Dam instrumentation
  • Tunnel deformation monitoring
  • Pipeline local deformation analysis
Key Features
  • High resolution
  • Embeddable or surface mountable
  • Temperature insensitive
  • Insensitive to corrosion and vibrations
  • No calibration required
  • Easy to install
  • Long term reliability
  • Waterproof
  • Static measurements
SPECIFICAIONS
Length of active zone (LA, measurement basis): 25 cm to 10 m, standard lengths
 10 m to 20 m, customized lengths upon request
Length of passive zone (connecting cable): 1 m to 100 m Customized lengths up to 2000 m upon request
Measurement range: 0.5% of LA in shortening, 1% of LA in elongation
Measurement precision: 0.2% of the measured deformation or better
Measurement resolution: 2 μm RMS
Connecting cable protection options (see specific datasheet for details): Standard (recommended for embedding or surface mounting in normal conditions)Stainless steel protecting tube (recommended in harsh conditions) Simple cable without protecting tube (recommended for laboratory conditions)
Operating temperature: Standard active zone: -50 °C to +110 °C Special active zone (upon request): -50 °C to +170 °C Passive zone: -40 °C to +80 °C
Waterproof: 5 bars (15 bars with extra protection on anchoring points)
Calibration: Not required
Documents

SMARTEC – SOFO Standard Deformation Sensor – LONG-GAUGE DEFORMATION SENSOR ROBUST AND TEMPERATURE INDEPENDENT

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+359 2 426 18 80

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