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OPTICAL DISTRIBUTED SENSOR INTERROGATOR
www.lunainc.com
3157 State Street | Blac ks bur g, VA 24 06 0
The Luna ODiSI B delivers high speed, fully
KEY FEATURES AND PRODUCT HIGHLIGHTS
The Luna ODiSI B saves time and cost, while adding
The OD iS I B record i ng t h e t i m e r es p ons e of t h e s train of a cantilever
distributed strain and temperature
measurements with millimeter spatial resolution.
•
Industry-le ading c ombination of measurement speed,
range and repeatability with extraordinary spatial
resolution
23.8-250 Hz acquisition over entire fiber
Up to 25 Hz active display over 1 meter
Up to 20 meter sensing range
Measurement ranges of ± 10,000 µStrain, -50 to 300 °C
Repeatability of ± 5 µStrain, ± 0.4 °C
As small as 1.25 mm spatial resolution
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Inexpensive optical fiber sensors
•
Thousands of sensing locations using a single optical
fiber
•
Interrogation of entire fiber and all sensing locations with
a single scan
•
Characterizati on of both temperature and strain at
different points along a single fiber sensor
(Model ODiSI B)
new capability to sensing measurements with its
unprecedented combination of high density sensing
and dynamic acquisition over an optical fiber sensor.
The ODiSI B interrogates hundreds of sensing
locations per meter on a single optical fiber
simultaneously at a rate of up to 250 Hz. Reduce cost
and better charac terize your system by instrumenting
many sensing locations with an unaltered, inexpensive
optical fiber. With up to 20 meters maximum sensing
length and down to 1.25 mm spatial resol ution, the
ODiSI B is the paramount tool for your strain and
temperature sensing applications.
APPLICATIONS
•
Load, fatigue, and mechanica l testing
•
Composite manufacturing, engineering, and design
verification
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Embedded sensing
•
Model and simulation validation
•
Thermal profile measure ment
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Structural Health Monitoring
beam oscillating at its natural frequency. An optical fiber was bonded
to the t op sur fac e. The sys tem acqu ired d istrib uted s train at 10 0 Hz
with 5 m m sensor spacing.
Suppor t ph on e: 1.866.586. 2 68 2
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Designs and specifications are subject to change without notice.
ODiSI B
LTODiSIB10 REV. 007 03/03/2013
©Luna Innovations Incorporated, Roanoke, VA All rights reserved.
Standard
CLASS 1 LASER PRODUCT
1 Calibration is performed internally using a NIST-traceable HCN gas cell
PARAMETER SPECIFICATION UNITS
Performance
Standoff 50 meters
Wavelength Acc uracy
Strain Range ± 10,000 µStrain
Temperature Range
1,2
1.5 pm
3
-50 to 300 °C
Mode of Operation
Maximum Sensing Length 10 2 10 20 meters
Acquisition Rate 100 250 23.8 50 Hz
Sensor Spacing 5 5 1.25 5 mm
Gage Length 5 5 1.25 5 mm
Strain Repeatab ility
(Single-scan)
Temperat ure Repea tability
(Single-scan)
Electrical Trigger
Acquisition TTL compatible
Event TTL compatible
Physical
Dimensions 14 x 12.5 x 6.75 in
Weight 17.3 lb
Power Consumption 50 W
4
± 5 ± 5 ± 20 ± 10 µStrain
± 0. 4 ± 0. 4 ± 1.6 ± 0. 8 °C
High-
Speed
High-
Resolution
Extended
Length
2 Temperature and strain accuracies from spectral shift of Rayleigh scatter are 0.15 °C and 1.25 µStrain, calculated
using the default conversion coefficients 1 GHz = 0.8 °C = 6.58 µStrain [Othonos and K Kalli, Fiber Bragg Gratings
(Artech House, Boston, 1999)].
3 Based on m at er i al properties of the standard sensor: polyimide-coated, low-bend-loss optic al fiber. For
temperatures outside of this range, please contact your Luna representative for more information.
4 Base conf ig uration includes one mode of op eration. Addit i onal modes are upgrade options .
Please refer to www.lunainc.com to obtain the most current production information.
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