ixDAS-4000 Distributed Acoustic Sensor (DAS) Interrogators

■ High-fidelity restoration of vibration waveforms with high sensitivity and high linearity;

■ Fading suppression ensuring flat response across the entire optical fiber;

Product Series :

Acoustic/vibration sensor

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Product Details

The ixDAS-4000 distributed acoustic sensing (DAS) interrogator is designed for long-distance, high-fidelity, and high-sensitivity acoustic and vibration signal acquisition for structural health monitoring, while maintaining low power consumption. This interrogator utilizes advanced pulse compression coding modulation DAS technology implemented on FPGA platforms, which facilitates a highly efficient balance between outstanding performance and energy efficiency. The ixDAS-4000 outperforms the ixDAS-2000 series in terms of signal fidelity and sensitivity, and stands out for its blend of high performance, efficiency, and adaptability, making it an excellent choice for robust, long-term monitoring applications in challenging environments.

Key Features:

High Performance and Low Power Consumption: Engineered to provide superior monitoring capabilities without excessive energy requirements.

Advanced FPGA Algorithms: Enable real-time processing and enhanced signal interpretation, resulting in improved detection and analysis of acoustic signals.

Wider Operating Temperature Range: Effective operation across a broader range of temperatures, enhancing its suitability for varied environments.

Enhanced Environmental Adaptability: Well-suited for demanding outdoor conditions, ensuring reliable performance.

Applications:

Infrastructure Structural Health Monitoring: Helps assess the condition of bridges, tunnels, dams, buildings, railways, pipelines, and other critical structures to detect potential failures.

Large-Scale Mechanical Vibration Fault Monitoring: Detects and analyzes potential faults in large machinery, contributing to preventive maintenance and operational safety.

Specifications:

Model	ixDAS-4000
Measurand	Strain / Strain rate
Sensing Range	60 km (maximum)
Spatial Resolution (Gauge Length)	3.6 m (minimum)
Spatial Sampling Interval	1 gauge length
Sampling Rate	100 kSps (maximum)
Response Frequency	1 Hz ~ 20 kHz
Self-Noise Level ¹	@ 1km	@ 50km
	10 pε/√Hz @20Hz 5 pε/√Hz @100Hz	40 pε/√Hz @20Hz 15 pε/√Hz @100Hz
Dynamic Range	≥ 95 dB @ 10 Hz
Fiber and Connector	SMF / MMF / Specialty fiber cable, FC/APC
Average Emission Power	≤ 0.5 mW (laser safety 1 class)
Fiber Quality Monitoring	A real-time backscattering relative intensity profile output provided
Channels	1
Data Interface	RJ45 (1000M Ethernet)
Operation Temperature	- 20 ℃ to 50 ℃
Size	429 mm (W) × 483 mm (D) × 86 mm (H)
Power Supply	100~240 VAC, 60 W

Note: ¹ Median value over full length of 1 km single-mode fiber (Gauge length = 10m; Sampling rate = 2 kSps).

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