GM8050 Multi-Channel FBG Sensor Demodulation Module
Product description: The GT8050 is a multi-channel, fast, high-resolution fiber Bragg grating sensor demodulation module controlled by a PC. It can be combined with the bundled software, a PC and external equipment to form a Bragg sensor demodulation system and a high-precision spectral analysis system. The demodulation module is applicable to various types of fiber optic sensors. Based on the response of grating sensors to different temperature conditions, the system draws a clear and complete spectral graph, rather than only showing the offset at the center wavelength. The GT8050 fiber Bragg grating sensor temperature test system demodulation module has low cost and high performance, and can be used for various engineering and civilian applications. The demodulation module is controlled and operated by a PC, and can measure with high precision and large dynamic range. Technical Specifications Model GM8050 Built-in tunable light source wavelength range 1527nm ~ 1568nm Built-in tunable light source output power ≥ +10dBm (Can be OEM +13dBm) Per-channel tunable light source output power ≥ 0 dBm (4 channels) Number of optical channels Customizable: 4/ 8/ 16/ 24/ 32/ 64 channels Sensors measurable per channel ≤32 pcs Reflected light detection dynamic range 60 dB Demodulation wavelength resolution 0.1 pm Demodulation speed (tracking mode) ≥ 20Hz (single sensor) Demodulation speed (fixed mode) ≥ 2Hz Real-time output data Wavelength-scanned reflected light spectrum FBG sensor center wavelength, peak value Trigger signal output interface During wavelength scanning, the light source outputs a pulse trigger signal that can control external expanded multi-channel photoelectric conversion modules for synchronized acquisition of FBG sensor signals Optical channel interface FC/APC adapter Communication interface RS232, RS485 (Optional) Power supply +12V /2A (voltage range +7~36V) Storage temperature -10 ~ +80℃ Operating temperature -5 ~ +45℃
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Overview
Specifications
| Parameter | Value |
|---|---|
| Built-in Tunable Light Source Output Power | ≥+10dBm (customizable / can be OEM +13dBm) |
| Number of Testable Sensors per Channel | ≤32 pcs |
| Reflected Light Detection Dynamic Range | 60 dB |
| Demodulation Wavelength Resolution | 0.1 pm |
| Demodulation Rate (Follow Mode) | ≥20Hz (single sensor) |
| Demodulation Rate (Fixed Mode) | ≥ 2Hz |
| Real-Time Output Data | Wavelength-swept reflected light spectrum: FBG sensor center wavelength, peak |
| Trigger Signal Output Interface | During wavelength scanning; the light source outputs pulse trigger signals to control externally expanded multi-channel photoelectric conversion modules for synchronized FBG sensor signal acquisition |
| Optical Channel Port | FC/APC adapter |
| Supply Voltage | +12V /2A (voltage range +7~36V); +12V /2A (voltage range +7~36V) |
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