The Most Important Innovation of the 1990s in optica fiber sensing is the development
of Fiber Grating Sensors - 

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FBG Interrogator

Welltech's interrogator is designed to be robust, reliable, stable and high accurate operation for fiber bragg grating sensing system.
Built-in wavelength module
Built-in ligh source
Auto calibration
The interrogator has selection of 1,2, 4, 8, 16, 32, 36 channel



  • 1

    Strain measurement for civil structure,steel and cement structure

  • 2

    Continuous monitoring of structural health of ships and aircraft, building, bridge, tunnel etc

  • 3

    Risk and damage assessment for bridges,road and dams in earthquake zone

  • 4

    Down-hole oil pressure and temperature sensing

  • 5

    Security monitoring of motion

Welltech Instrument Company Limited
Address: Rm702, 7/F Kowloon Building, 555 Nathan Road, Mongkok, Hong Kong
Tel : 852-23491224 Email: welltechltd@gmail.com