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SOFO Standard Deformation Sensor
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.
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Length of active zone (LA, measurement basis): |
25 cm to 10 m, standard lengths |
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Length of passive zone (connecting cable): |
1 m to 100 m Customized lengths up to 2000 m upon request |
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Measurement range: |
0.5% of LA in shortening, 1% of LA in elongation |
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Measurement precision: |
0.2% of the measured deformation or better |
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Measurement resolution: |
2 μm RMS |
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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) |
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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 |
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Waterproof: |
5 bars (15 bars with extra protection on anchoring points) |
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Calibration: |
Not required |
ORDERING INFO
- Length of active zone
- Length of passive zone
- Connecting cable type
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