Products - Other Instruments

Point-type FBG Instruments & Optoelectronic Devices — Handheld/Rack-mount demodulators, single-point sensors, and customized modules for precision measurement in laboratory, field testing, and industrial applications

Products 📌 UW-FBG Products

Product Models

Point-type FBG instruments for precision measurement and targeted monitoring

RS-HGFBG-01 RS-HGFBG-02
demod01
demod02

RS-HGFBG-01

Handheld FBG Demodulator

High-performance portable handheld FBG demodulator with reflection enhancement technology for field testing and troubleshooting. No computer connection required.

  • Channels16 channels
  • Gratings/Channel≤19
  • Wavelength1525~1565 nm
  • Sample Rate≤10 Hz
  • InterfaceWIFI
Applications: Tunnel surface temperature monitoring; Oil pipeline temperature monitoring; Distributed UWFBG cable temperature reference

RS-HGFBG-02

Rack-Mount FBG Demodulator

Industrial-grade rack-mount FBG demodulator with explosion-proof design. Response time 2s, system response ≤10s. Side mode suppression ratio >60dB.

  • Channels16 (customizable)
  • Scan Frequency1~100 Hz
  • Remote Range40 km
  • InterfaceEthernet, RS232, USB
  • Dimensions480×90×380 mm
Applications: Power high-voltage switchgear temperature; Oil tank temperature monitoring; Bridge, tunnel, slope structural health monitoring
RS-OPSEN-S1 RS-OPSEN-S2
s1
s2

RS-OPSEN-S1

Point Strain Sensor

High-precision UWFBG strain sensor with low temperature sensitivity. Temperature coefficient 50%+ lower than other strain gauges. Built-in temperature sensor for compensation.

  • Strain Range±1000 με
  • Sensitivity1.7 pm/με
  • Accuracy3‰ F.S.
  • Temp Accuracy1°C
  • DimensionsΦ8×110 mm
Applications: Steel structure surface strain monitoring; Concrete surface strain monitoring; Supplementary monitoring for distributed UWFBG cables

RS-OPSEN-S2

Strain Rosette Sensor

FBG strain rosette sensor for measuring strain magnitude and direction. Three measurement directions for comprehensive stress analysis.

  • Strain Range±2000 με
  • Main Compression Error≤5%
  • Main Tension Error≤3.5%
  • Angle Error≤0.1%~0.58%
  • Dimensions60×2 mm
Applications: Steel structure surface strain magnitude and direction monitoring; Supplementary fixed-point monitoring for distributed UWFBG cables
RS-OPSEN-D1 RS-OPSEN-A1
d1
a1

RS-OPSEN-D1

Displacement Sensor

FBG displacement sensor for measuring relative displacement between structures. Reusable with high precision and sensitivity. Can form all-optical monitoring network.

  • Wavelength1525~1565 nm
  • Range100-500 mm (custom)
  • Accuracy0.3% F.S.
  • Resolution<0.1 mm
  • Dimensions65×65 mm
Applications: Joint gap measurement; Dam body displacement; Soil settlement, rock, slope monitoring; Supplementary fixed-point monitoring for UWFBG cables

RS-OPSEN-A1

Accelerometer

FBG accelerometer for frequency testing with excellent low-frequency response. Reusable, intrinsically safe, anti-EMI, lightning protected. Dual installation options.

  • Range±10 g
  • Freq Response4~2000 Hz
  • Temp Range-30~80°C
  • Dimensions65×56×30 mm
  • MountingV/H, 50×50 mm
Applications: Intrinsically safe for hazardous materials detection; Electrically insulated for high-voltage environments
RS-OPSEN-T1
t1

RS-OPSEN-T1

Single-Point Temperature Sensor

Metal-encapsulated UWFBG temperature sensor with small size, high sensitivity, excellent stability. Multiple sensors can be networked in series. Anti-EMI, suitable for harsh environments.

  • Center Wavelength1528~1568 nm
  • Accuracy±0.5°C
  • Temp Range-20~150°C
  • DimensionsΦ8×60 mm
  • Cable3mm armored
Applications: Tunnel surface temperature monitoring; Oil pipeline temperature monitoring; Temperature reference for distributed UWFBG cables

Technical Specifications

Complete specifications for all instruments and sensors

Download Datasheets (PDF)
ParameterSpecification
Center Wavelength1525 nm ~ 1565 nm
Wavelength Resolution±1 pm
Wavelength Repeatability±1 pm
Wavelength Accuracy±3 pm
Channels16 channels
Gratings per Channel≤19
Sample Rate≤10 Hz
SynchronizationChannel sync
Operating Temp-20°C ~ 55°C
InterfaceWIFI
StorageSD card
Fiber InterfaceMPO (16 channels)
VoltageDC 5V
Power Consumption12W
Form FactorHandheld
ParameterSpecification
Center Wavelength1528 nm ~ 1568 nm
Wavelength Resolution±1 pm
Wavelength Accuracy±3 pm
Channels16 (customizable)
Gratings per Channel≤19
Scan Frequency1~100 Hz
Fiber InterfaceFC/APC
Remote Monitoring40 km
LCD Display8.4 inch
Operating Temp-15°C ~ 55°C
InterfacesEthernet, RS232, USB
Dimensions480×90×380 mm
ProtocolMODBUS
SDKDLL available
Form FactorRack-Mount
ParameterSpecification
Center Wavelength1528 nm ~ 1568 nm
Wavelength Accuracy±0.5 nm
Grating Length10 mm
Reflectivity0.01%~0.1%
Bandwidth @-3dB≤0.50 nm
Side Mode Suppression≥15 dB
Sensor Loss≤0.5 dB
Strain Range±1000 με
Strain Sensitivity1.7 pm/με
Accuracy3‰ F.S.
Temperature Accuracy1°C
DimensionsΦ8×110 mm
MountingBase welding (adhesive) lock
Operating Temp-20°C ~ 80°C
ParameterSpecification
Center Wavelength1528 nm ~ 1568 nm
Wavelength Accuracy±0.5 nm
Grating Length10 mm
Reflectivity0.01%~0.1%
Bandwidth @-3dB≤0.50 nm
Side Mode Suppression≥15 dB
Sensor Loss≤0.5 dB
Strain Range±2000 με
Main Compression Error≤5%
Main Tension Error≤3.5%
Compression Angle Error≤0.58%
Tension Angle Error≤0.1%
Dimensions60×2 mm
MountingSpot weld
Operating Temp-20°C ~ 80°C
ParameterSpecification
Center Wavelength1525 nm ~ 1565 nm
Reflectivity>0.1%
Standard Range100-500 mm (custom)
Measurement Accuracy0.3% F.S.
Resolution<0.1 mm
Temp CompensationSelf-compensating
EncapsulationStainless steel
MountingBolt fixation
Fiber CableArmored
ConnectionFusion or FC/APC
Dimensions65×65 mm
ParameterSpecification
Center Wavelength1527 nm ~ 1567 nm
Range±10 g
Frequency Response4~2000 Hz
Operating Temp-30~80°C
Dimensions65×56×30 mm
Mounting Hole50×50 mm (M4)
ConnectorFC/APC or fusion
Fiber CableArmored or standard
ParameterSpecification
Center Wavelength1528 nm ~ 1568 nm
Wavelength Accuracy±0.5 nm
Grating Length10 mm
Reflectivity0.01%~0.1%
Bandwidth @-3dB≤0.50 nm
Side Mode Suppression≥15 dB
Sensor Loss≤0.5 dB
Accuracy±0.5°C
DimensionsΦ8×60 mm
MountingAdhesive
Operating Temp-20°C ~ 150°C
Fiber Output3mm armored

Custom Solutions & Optoelectronic Modules

Tailored sensing systems and modules for your specific requirements

📦 Other Functional Sensors

  • UWFBG Displacement Sensor
  • UWFBG Osmotic Pressure Sensor
  • UWFBG Hydrostatic Level Sensor (200mm range, 0.5mm accuracy)
  • UWFBG Rebar Stress Sensor
  • UWFBG Tension Meter
  • UWFBG Angle Sensor
  • Embedded UWFBG Strain Sensor
  • UWFBG High-Temperature Sensor
  • UWFBG Pressure Sensor

🔧 Custom FBG Sensing Systems

  • Long-distance UWFBG sensing system
  • 0.1m resolution UWFBG shape sensing system
  • Miniaturized FBG demodulation module (110×45×20 mm)
  • Custom DAS acceleration sensing system
  • 50km-class long-distance UWFBG DAS sensing system
  • Downhole ultrasonic imaging system

⚡ Optoelectronic Modules

  • Custom Pulse EDFA Fiber Amplifier
  • SOA Optoelectronic Modulation Module (10ns)
  • High-performance optical switches
  • Optical circulators
  • Optical attenuators
  • Portable chassis and instrument design
  • LabVIEW wavelength demodulation interface
  • C# instrument interface software development

Need Custom Sensor Solutions?

Our engineering team can design custom instruments and sensors for your specific project requirements.

Contact Engineering Team