os3300 Strain Sensor

Optical Strain Rosettes by CMIWS

Luna’s os3300s are fiber Bragg grating (FBG) based strain rosette sensors. Featuring simple integration, low profile sensors that can be dispersed over up to 10km, with 3 active strain elements (0°/45°/90°) for the most robust sensor coverage on the market.

Product Description

The os3300 features a novel approach to compact spot weldable strain measurements, all while being able to pair with various physical parameters e.g. temperature, displacement, acceleration, tilt, pressure.

Installation is simple and repeatable with a mounting plate affixed on the os3300 to help guide the installer. With strain ranges of -1,800 to 1,800 με, and available integratd temperature compensation, the os3300 series presents a unique capability for sensor deployments. Up to 96 os3300 sensors can be integrated on Luna’s HYPERION platform.

The os3300 series of sensors is compatible with ENLIGHT Sensing Analysis Software, which provides an integrated suite of tools for data acquisition, computation and analysis of optical sensor networks as well as the HYPERION platforms comprehensive Application Programming Interface (API) and examples written in LabVIEW, Python, Matlab, C++ and C#.

  • Key Features
    • Ease of installation, simple and repeatable installation
    • Discrete, low profile, multipoint up to 96 sensors on a single HYPERION instrument
    • Multiparameter various physical parameters measurements coupled onto the same instrumentation platform
    • Long distance, with over 10km of coverage
  • Specifications
    Specifications os3310 os3320 - Temperature Compensated
      Measurement Type Strain rosette Strain rosette, temperature compensated
      FBG Elements  3 - Strain 3 - Strain, 1 temperature compensation
      Measurement Range ±1,800με
      Strain Sensitivity ~ 1.2 pm/με
      Measurement Angles 0, 45, 90°
      Operating Temperature -40 to 120 °C
      Measurement Distance Up to 10km
      Measurement Points Per Interrogator Up to 96, 6 sensors per channel Up to 80, 5 sensors per channel
      Scan Frequency 1kHz and 5kHz instrument options available
      Wavelength Options 1460 to 1620 nm options available
    Physical Properties  
      Dimensions ø 34 mm Diameter, 1.5 mm Thickness
      Carrier Material 304 Stainless Steel
      Cable Type / Length 1 mm Fiberglass Braid / 1 m (± 10 cm), each end
      Fastening Method Spot Weld
  • Documentation

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