Fiber Bragg Gratings

FBG Sensors


 

ht tube500 miniatureHT-Tube500 is a well insertion temperature sensor for industrial harsh environments with operating temperatures up to 500°C. Its rugged metallic package (5 mm typical diameter) holds a cascade of FBGs, which provides temperature profile along the sensor length with millimeter scale spatial resolution.
HT-Tube500
In Well High Temperature FBG Sensor
fbg technology
 
Typical applications:
  • Machine Condition Monitoring
  • Power Plants Transformers
  • Chemical Processes
  • Conveyor Systems
  • High Temperature Environments

Physical specifications:
 Sensor Construction  Loose Tube
 Dimension (φ x L)  Tube diameter and sensor length to suit application
 Package material  Stainless steel AISI 304
 Fixing method   Swagelok, Glue

Optical specifications:
 Fiber Type  Single-mode SMF-28  9/125 μm
 FBG Wavelength (CWL)  1510 – 1590 nm
 FBG Bandwidth (FWHM)  0.25 nm
 FBG Peak Reflectivity (R)  > 50 %
 Side Lobe Suppression Ratio (SLSR)  > 15dB
 Sensors Spacing (D)  > 7 mm  (Customizable)
 Sensors Number  Custom to suit application
 Measurement Range  -50 to 500 °C
 Sensor Resolution  0.1 °C *
 Sensor Accuracy  0.5 °C *
 Cable Length and Connector  to suit application
* Depending on the FBG sensors reading unit

Download Datasheet
ht flex500 miniatureHT-Flex500 is a flexible temperature sensor for harsh environments with operating temperatures up to 500°C. Its stainless steel flexible capillary tube (0.7 mm typical diameter) holds a cascade of FBG sensors, which enables both surface and embedded installations, even within extremely small wells.
HT-Flex500
Flexible High Temperature FBG Sensor
ht flex500
 
Typical applications:
  • Machine Condition Monitoring
  • Power Plants Transformers
  • Chemical Processes
  • Conveyor Systems
  • High Temperature Environments

Physical specifications:
 Sensor Construction Capillary Loose Tube
 Dimension (φ x L) 0.7 mm x L (Sensor Length to suit application)
 Flexibility Down to 300 mm diameter
 Package material Stainless steel AISI 304

Optical specifications:
 Fiber Type  Single-mode SMF-28  9/125 μm
 FBG Wavelength (CWL)  1510 – 1590 nm
 FBG Bandwidth (FWHM)  0.25 nm
 FBG Peak Reflectivity (R)  > 50 %
 Side Lobe Suppression Ratio (SLSR)  > 15dB
 Sensors Spacing (D)  > 7 mm  (Customizable)
 Sensors Number  Custom to suit application
 Measurement Range  -50 to 500 °C
 Sensor Resolution  0.1 °C *
 Sensor Accuracy  0.5 °C *
 Cable Length and Connector  to suit application
* Depending on the FBG sensors reading unit

Download Datasheet

Company

INFIBRA TECHNOLOGIES Srl is engaged in designing and manufacturing of next-generation fiber optic sensors systems, while also offering engineering services. Energy, Oil & Gas, Transportation and Civil Engineering are our target markets, with solutions even suitable for harsh environments. Monitoring of temperature, vibration, deformation, or other chemical-physical parameters through a single optical fiber are our typical applications and FBGs, Raman, Brillouin and Rayleigh are our technologies.


Legal Headquarters

  Via Moruzzi 1, 56124 Pisa (Italy)
  +39 050 7916532
   info@infibratechnologies.com

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