os3610 Product

Surface Mount Strain Sensor

The os3610 Surface Mount Strain Sensor measures average strain over the length of the gage while providing integrated temperature compensation.

Product Description

The os3610, based on fiber Bragg grating (FBG) technology and intended exclusively for surface mounting, is available in gage lengths of 25 and 100 cm. Each end of the os3610 is attached to the structure via rigid brackets that are either welded, bolted, epoxied, or grouted to the surface of concrete, rock, steel, composite, or other structure.

A rugged, stainless steel body, ruggedized cables and optional connector protection fittings make the os3610 suitable for harsh environments. Two FBGs are well protected inside the os3610 body. One FBG measures strain, and the other provides for integrated temperature compensation. Since there are no epoxies holding the fiber to the carrier, longterm stability is ensured by design.

In side-by-side comparisons with vibrating-wire and foil strain gages, the os3610 is equally sensitive and accurate, while providing 100 times more fatigue life. The os3610 strain gage is qualified for use in harsh environments and delivers the many advantages inherent to all FBG based sensor.

This sensor can be used alone or in series as part of an FBG sensor array. Installation and cabling for such arrays is much less expensive and less cumbersome than comparable electronic gage networks.

  • Key Features
    • Ruggedized sensor package, qualified to same rigorous standards applied to electronic gages
    • Integrated temperature compensation FBG sensor
    • User-adjustable zero point optimizes full use of strain range
    • Cable integrated with sensor package  for fiber protection and strain relief
    • Double-ended design supports multiplexing of many sensors on one fiber
    • IP67 rated for protection from dust and water ingress
  • Specifications
    Strain sensitivity ~ 1.2 pm/με
    Temperature sensitivity 22 pm/°C
    Gage length 25 or 100 cm
    Operating temperature range  -40 to 80 °C
    Strain limits ± 5,000 με
    Material Stainless stell construction
    Water resistance Suitable for wet, high humidity environments (IP67)
    Fatigue life > 1x10^8 cycles @ +/- 2,000 ue

    For full specifications, please download the data sheet.

  • Documentation

Solutions and Applications

Bridge monitoring

The os3610 Surface Mount Strain Sensor, combined with the HYPERION interrogator, provides proven, high-performance solutions for a wide variety of monitoring applications.  

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