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sm125 Optical Sensing Interrogator
The sm125 Optical Sensing Interrogator is a compact, industrial grade static sensor interrogation module with field proven longevity and reliability. Its x25 optical interrogator core employs full spectral scanning and data acquisition to give measurements high absolute accuracy, high dynamic range, and flexible software post-processing. The sm125 has a high-power swept-wavelength laser, supporting higher sensor counts per channel than conventional interrogators. The unit’s on-board NIST-traceable wavelength reference capabilities also allow for multifaceted sensor use with fiber Bragg gratings (FBGs), long period gratings, extrinsic Fabry-Perot sensors, and more. The sm125 platform provides signal and data output via Ethernet port and custom protocol, and is controlled with an external PC or sensor processor module. Units come standard with sensor analysis software.
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sm130 Optical Sensing Interrogator
The sm130 Optical Sensing Interrogator is built upon a x30 interrogator core and provides measurements for FBG type sensors. This robust and field proven unit allows for high-speed hardware peak detection, optimizing data acquisition from multiple sensors. Fiber Fabry-Perot Tunable Filter technology and a high-power swept-wavelength laser support higher sensor counts per channel. Other capabilities include spectral diagnostic viewing, automated sensor distance measurement, and multiple-interrogator measurement synchronization. The sm130 platform provides signal and data output via Ethernet port and custom protocol, and is controlled with an external PC or sensor processor module. Units come standard with sensor analysis software.
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sm041 Channel Multiplexer
The sm041 Sensor Multiplexer is a reliable, industrial grade multiplexer that adds fiber-optic measurement channels and connections to an sm125 or sm130 interrogator. Solid state optical switches redirect optical signals without moving parts, giving the sm041 low insertion loss, fast response time, high extinction ratio and high repeatability. The sm041 is also offered as a wide band fiber-optic coupler-type unit. The sm041 can expand 4 parallel channels to 8 or 16 sub-channels, and can be cascaded with other units to process up to 64 fiber connections at once. Units are vibration and shock resistant for continuous operation in high abuse environments. The sm041 also comes with easy-setup sensor analysis software.
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sm041 Data Sheet.pdf
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os3100 Optical Strain Gage
The os3100 Optical Strain Gage is a versatile FBG sensor commonly used for structural health monitoring. This robust sensor is engineered for fast and repeatable installation with either epoxy or weld attachment packaging. Additionally, the os3100’s double-ended configuration allows for extensive multiplexing capabilities. The os3100 can also be arranged with other sensors in close proximity at 0º, 45º, and 90º angles for taking strain rosette measurements. These sensors form the core of any fiber-optic monitoring system, and should be considered for the monitoring of bridges, dams, tunnels, and large vehicles, or for experimental mechanics projects.
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os3150 Optical Strain Gage
The os3150 is a rugged strain gage optimized for outdoor installations on steel structures including dams, tunnels, bridges, large vehicles, and more. Units are engineered for fast and repeatable installation, and provide long term stability through a FBG tension applying design. The os3150 allows for greater strain range and 100 times more fatigue life than conventional foil gages. Double ended configuration also provides extensive multiplexing capabilities. Sensors can also be arranged with other sensors in close proximity at 0º, 45º, and 90º angles for taking strain rosette measurements. Typical applications include continuous lifetime health monitoring of complex structures, and experimental mechanics evaluations.
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os3200 Optical Strain Gage
The os3200 Non-metallic Optical Strain Gage provides user’s with accurate, repeatable static or dynamic strain measurements. The os3200’s non-metallic carrier has a self-adhesive backing that holds the sensor body in place, and protects the FBG during installation. Units are epoxy mountable and support fast and easy installation. The os3200 Non-metallic Strain Gage is qualified for use in mild environments and delivers the many advantages inherent to all FBG based sensors.
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os3600 Long-Baseline Strain Gage
The os3600 Long-Baseline Strain Gage is a fiber Bragg grating (FBG) unit designed for long-term structural health monitoring in harsh environments. This rugged sensor contains two FBG sensors, which respectively measure strain and temperature for temperature-compensated strain measurements. The os3600 is bolt-on, grout-in, or weld mountable, and is also concrete embeddable (specify when ordering). Like our other FBG based sensors, the os3600 supports multiplexing capabilities, and can be configured with other sensors at 0º, 45º, and 90º angles for taking strain rosette measurements. Each sensor includes FC/APC connectors on either end. Typical applications include lifetime health monitoring of bridges, dams, buildings, tunnels, large vehicles, and other complex structures.
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os3600 Data Sheet.pdf
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os4300 Temperature Sensor
The os4300 Temperature Sensor utilizes fiber Bragg grating (FBG) technology for structural health monitoring and laboratory applications. These versatile sensors are qualified for use in harsh environments; common uses include absolute surface temperature measurement and temperature compensation calculation. The os4300 maintains the accuracy of conventional thermocouples while sustaining a wider operating range, faster response times, and less noise. The os4300’s double ended design also allows for multi-sensor signal multiplexing. Housing consists of a sealed alumina ceramic tube: available in epoxy and flange mount packaging. Typical applications include lifetime health monitoring of bridges, dams, tunnels, large vehicles, and other complex structures.
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os7100 Optical Accelerometer
The os7100 is a fiber Bragg grating (FBG) based accelerometer optimized for monitoring large structures over extended periods of time. The rugged, corrosion resistant, sensor packaging and cable integrated design of these units makes them ideal for outdoor installation on exposed structures. The os7100 also offers EMI immunity and lightening resistance. Sensors measure accelerations from DC to low frequencies, and are available in one, two, and three axis configurations. The os7100 can also be integrated with other FBG sensors for comprehensive monitoring. The os7100’s single-ended design is ideally deployed in couple-star sensor network architectures maximizing per-channel sensor capacity. Use the os7100 for the continuous lifetime health monitoring of bridges, dams, buildings, tunnels, large vehicles, and other complex structures.
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