ODiSI 6102 2-Channel Optical Distributed Sensor Interrogator (ODiSI 6000 Series)
Two-channel ODiSI 610x high-definition fiber optic sensing interrogator for distributed strain and temperature with gage pitch down to 0.65 mm.
- Number of channels
- 1, 2, 4 or 8 channels
- Maximum sensor length per channel — standard mode
- 20 m
- Maximum sensor length per channel — extended range
- 100 m
- Standoff cable length
- 10, 50, 100, 150 or 200 m
Overview
The ODiSI 6102 is the two-channel configuration of the ODiSI 610x models in Luna's ODiSI 6000 Series of optical distributed sensor interrogators. It is a high-definition fiber optic sensing (HD-FOS) system that measures strain and temperature using Rayleigh backscatter in low-cost, unaltered optical fiber, providing thousands of measurements per meter of sensing fiber. The ODiSI 6000 Series has been discontinued by the manufacturer; the ODiSI 7100 Series is the designated replacement.
Measurement modes
The ODiSI 610x models can be configured to measure strain or temperature with a gage pitch of 0.65 mm, 1.3 mm, 2.6 mm or 5.2 mm. With Standard Remote Modules each channel supports an HD-FOS sensor up to 20 m long or a CFG sensor up to 15 m long. With the optional Extended Range Remote Modules each channel supports sensors up to 100 m long as well as HD-SC strain-compensated temperature sensors. Continuous fiber grating (CFG) sensors can also be used for improved tolerance to vibration and dynamic performance.
Software and integration
The system includes ODiSI application software running on the controller (Linux OS) for sensor identification and configuration, real-time plotting versus length or time, data logging and replay. Measurement data can be streamed in real time over Ethernet, and ODiSI Remote software for Windows and Linux provides remote control and viewing. Integration features include IEEE 1588 PTP time synchronization, a JSON-based streaming data format, a TTL sync output and start/stop triggering. Optional 3DViz software maps data onto 3D CAD models or 2D images.
Reliability
The instrument performs continuous optical alignment and calibration with every scan, and Luna strain sensors are calibrated with NIST-traceable fixtures. The sensors are passive, dielectric and corrosion resistant, and can be bonded to curved surfaces or embedded within materials.
Key Features
- High-definition fiber optic sensing (HD-FOS) with sub-millimeter gage pitch
- Two-channel configuration of the ODiSI 610x models
- Software-configurable gage pitch of 0.65 mm, 1.3 mm, 2.6 mm or 5.2 mm
- Up to 100 m of high-definition sensing fiber per channel with Extended Range Remote Modules
- Measurement rate up to 250 Hz
- Compatible with HD strain, HD temperature, HD-SC strain-compensated temperature and CFG sensors
- Complete system measures, acquires, logs and streams real-time data
- Continuous optical alignment and calibration with every scan
- Strain sensors calibrated with NIST-traceable fixtures
- IEEE 1588 PTP network time synchronization
- JSON-based digital streaming data format
- Sync output TTL pulse and start/stop triggering
- Passive, corrosion resistant, dielectric sensors
- Long sensor life with no drift or recalibration, cycle counts >10^7
Specifications
| Number of channels |
1, 2, 4 or 8 channels
ODiSI 6102 is the 2-channel configuration of ODiSI 6101/2/4/8
|
|---|---|
| Maximum sensor length per channel — standard mode | 20 m |
| Maximum sensor length per channel — extended range |
100 m
Sensor lengths longer than 20 m, as well as HD-SC strain-compensated sensors, require optional Extended Range Remote Modules
|
| Standoff cable length |
10, 50, 100, 150 or 200 m
Standard lengths 10, 50 and 100 m; two cables can be combined to form 150 and 200 m
|
| Maximum patch cord length |
Up to 19 m (depending on sensor length)
Patch cord plus active sensor fiber must not exceed 20 m (Standard) or 100 m (Extended Range) per channel
|
|
HD sensor gage pitch
ODiSI 610x
|
0.65 mm, 1.3 mm, 2.6 mm, 5.2 mm
Gage pitch is the distance between centerpoints of consecutive gages
|
| Gages per meter of sensor |
1,538 / 768 / 384 / 192
For gage pitch 0.65 mm / 1.3 mm / 2.6 mm / 5.2 mm
|
| CFG sensor gage pitch |
6 mm
166 gages per meter; CFG mode requires Luna CFG sensors
|
|
Max measurement rate
ODiSI 610x
|
250 Hz |
| Data interface | Ethernet |
|
2.5 m mode
ODiSI 610x
|
62.5 Hz / 125 Hz / 250 Hz / 250 Hz; CFG 62.5 Hz
HD gage pitch 0.65 / 1.3 / 2.6 / 5.2 mm. Rates are aggregate; divide by number of active channels to determine the per-channel rate
|
|---|---|
|
5 m mode
ODiSI 610x
|
40 Hz / 80 Hz / 160 Hz / 160 Hz; CFG 40 Hz
HD gage pitch 0.65 / 1.3 / 2.6 / 5.2 mm; aggregate rates
|
|
10 m mode
ODiSI 610x
|
25 Hz / 50 Hz / 100 Hz / 100 Hz; CFG 25 Hz
HD gage pitch 0.65 / 1.3 / 2.6 / 5.2 mm; aggregate rates
|
|
20 m mode
ODiSI 610x
|
12.5 Hz / 25 Hz / 50 Hz / 50 Hz; CFG 12.5 Hz
HD gage pitch 0.65 / 1.3 / 2.6 / 5.2 mm; aggregate rates
|
|
50 m mode
ODiSI 610x
|
- / 10 Hz / 20 Hz / 20 Hz
HD gage pitch 0.65 / 1.3 / 2.6 / 5.2 mm; aggregate rates; requires Extended Range Remote Modules
|
|
100 m mode
ODiSI 610x
|
- / - / 10 Hz / 10 Hz
HD gage pitch 0.65 / 1.3 / 2.6 / 5.2 mm; aggregate rates; requires Extended Range Remote Modules
|
| Strain measurement range | ±15,000 µϵ |
|---|---|
| Resolution | 0.1 µϵ |
| Instrument accuracy | ±1 µϵ |
|
System (instrument and sensor) accuracy
ODiSI 610x
|
±25 µϵ / ±30 µϵ / ±30 µϵ / ±30 µϵ; CFG ±30 µϵ
HD gage pitch 0.65 / 1.3 / 2.6 / 5.2 mm. Compared to NIST-traceable extensometer measurements; CFG figures preliminary
|
|
Measurement uncertainty
ODiSI 610x
|
±5 µϵ / ±4 µϵ / ±2 µϵ / ±2 µϵ; CFG ±5 µϵ
HD gage pitch 0.65 / 1.3 / 2.6 / 5.2 mm. Twice the standard deviation of 1000 measurements; CFG figures preliminary
|
|
Dynamic loading rate
ODiSI 610x
|
1 Hz / 2.5 Hz / 5 Hz / 5 Hz; CFG tbd
HD gage pitch 0.65 / 1.3 / 2.6 / 5.2 mm
|
| Temperature measurement range |
-40 to 200 °C (with standard Luna sensors)
With standard temperature sensors (HD6T and HD6SCT); wider range available with other sensor fiber
|
|---|---|
| Temperature measurement resolution | 0.1 °C |
|
Temperature measurement uncertainty
ODiSI 610x
|
±2.2 °C / ±1.6 °C / ±0.6 °C / ±0.6 °C; CFG ±1.0 °C
HD gage pitch 0.65 / 1.3 / 2.6 / 5.2 mm; CFG figures preliminary
|
| Gage pitch |
1.04 cm
Requires Luna HD-SC temperature sensors and Extended Range Remote Modules
|
|---|---|
| Measurement rate (all lengths) | 2.5 Hz |
| Resolution | 0.1 °C |
| Measurement uncertainty | ±0.9 °C |
| Strain compensation |
Over an applied strain range of 0 to 1800 µϵ, measurement accuracy is ± 2.8 °C
RMS error with the HD-SC sensor subjected to axial strain; includes effects of the ODiSI interrogator
|
| Class 1 laser | <10 mW |
|---|---|
| Operating temperature range — mainframe and controller | 5 to 40 °C |
| Operating temperature range — standoff cable and remote module | 5 to 60 °C |
| Storage temperature range | 0 to 40 °C |
| Operating and storage relative humidity |
10 to 90 % RH
Non-condensing
|
| Operating altitude | -15 to 3,000 m |
| Dimensions — mainframe (W x D x H) | 34 x 35 x 11 cm |
| Dimensions — laptop controller (W x D x H) | 36 x 24 x 1.7 cm |
| Weight (mainframe and controller) | 17 lb (7.8 kg) |
| Power (mainframe and controller) | 160 W |
Specifications are taken from the manufacturer's documentation. See the datasheet for complete and current values.
Applications
- High fidelity model verification
- Temperature mapping for batteries
- Improving bonding and welding quality
- Embedded sensors for smart parts
- Strain characterization of new materials and complex structures
- In-situ temperature profiling of critical processes
- Two- and three-dimensional strain field measurement for FE model validation
- Evaluation of multi-material joining
- Detection of small cracks and defects in critical structures
- Composite materials testing
Included
- Mainframe with 2 channels
- Instrument controller laptop
- ODiSI application software
- One standoff cable for each channel
- One standard length remote module for each channel
Options & Accessories
| Option | Description |
|---|---|
| OP06150 | Extended Range Remote Module — Remote module supporting extended sensor lengths of 50 m and 100 m, in addition to standard sensor lengths and strain-compensated temperature (HD-SC) sensors. |
| OPT06100-R | Rack Mount Controller Option — Rack mount (1U) instrument controller (substituted for laptop). |
| OPT06020 | USB-3106 Analog Output — 16-channel analog output module for ODiSI (voltage or current outputs). |
| OPT06125 | 3Dviz - 3D/2D Visualization Software — Visualization software for mapping real-time or saved ODiSI data onto 3D models and 2D images. Compatible with Windows OS. |
| OPT06123 | 3Dviz - 2D Visualization Software — Visualization software for mapping real-time or saved ODiSI data onto 2D images. Compatible with Windows OS. |
| HD6SXXLC300P | HD strain sensor — HD strain sensor, LC2+ connector, polyimide coating, 300 °C, length = XX m (1 to 100 m) |
| HD6TXXLC220P | HD temperature sensor — HD temperature sensors with PTFE sleeving, length = XX m (1 to 5 m) |
| HD6SCTXXLC220P | HD strain-compensated temperature sensor — HD strain-compensated temperature sensors with PTFE sleeving, 200 °C, length = XX m (1 to 5 m) |
| HDCFGXXXLCP | HD continuous fiber grating (CFG) sensor — HD continuous fiber grating (CFG) sensors, length = XXX m (1 to 15 m) |
| FOSAPPKIT | Fiber Optic Sensor Application Kit — Materials (epoxy, tools, etc.) required to install 10 m of sensing fiber |
Documents & Resources
Related Products
Windows software that maps ODiSI strain and temperature data onto 3D CAD models or 2D images, live or from recorded files.
High-definition fiber optic strain sensor that measures strain continuously along its length at sub-millimetre resolution when used with an ODiSI system.
Low-profile, flexible strain-compensated fiber optic temperature sensor with 1 cm gage pitch for use with the ODiSI system.
High-definition fiber optic temperature sensor that gives continuous sub-millimeter temperature measurements along the fiber when used with an ODiSI system.